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A cluster randomised controlled trial of a brief couple-focused psychoeducational intervention to prevent common postnatal mental disorders among women: study protocol
  1. Heather Rowe1,
  2. Karen Wynter1,
  3. Paula Lorgelly2,
  4. Lisa H Amir3,
  5. Sanjeeva Ranasinha4,
  6. Jenny Proimos5,
  7. Warren Cann6,
  8. Harriet Hiscock7,
  9. Jordana Bayer8,
  10. Joanna Burns1,
  11. Jemimah Ride2,
  12. Irene Bobevski1,
  13. Jane Fisher1
  1. 1Jean Hailes Research Unit, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
  2. 2Faculty of Business and Economics, Centre for Health Economics, Monash University, Clayton, Victoria, Australia
  3. 3Judith Lumley Centre, La Trobe University, Melbourne, Victoria, Australia
  4. 4Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, Clayton, Victoria, Australia
  5. 5Department of Education and Early Childhood Development, Melbourne, Victoria, Australia
  6. 6Parenting Research Centre, East Melbourne, Victoria, Australia
  7. 7Centre for Community Child Health, The Royal Children's Hospital, Parkville, Victoria, Australia; Murdoch Childrens Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia, Parkville, Victoria, Australia
  8. 8School of Psychology, Faculty of Science, Technology and Engineering, La Trobe University, Bundoora, Victoria, Australia
  1. Correspondence to Dr Heather Rowe; heather.rowe{at}


Introduction Postnatal common mental disorders among women are an important public health problem internationally. Interventions to prevent postnatal depression have had limited success. What Were We Thinking (WWWT) is a structured, gender-informed, psychoeducational group programme for parents and their first infant that addresses two modifiable risks to postnatal mental health. This paper describes the protocol for a cluster randomised controlled trial to test the clinical effectiveness and cost-effectiveness of WWWT when implemented in usual primary care.

Methods and analysis 48 maternal and child health (MCH) centres from six diverse Local Government Areas, in Victoria, Australia are randomly allocated to the intervention group (usual care plus WWWT) or the control group (usual care). The required sample size is 184 women in each group. English-speaking primiparous women receiving postpartum healthcare in participating MCH centres complete two computer-assisted telephone interviews: baseline at 4 weeks and outcome at 6 months postpartum. Women attending intervention MCH centres are invited to attend WWWT in addition to usual care. The primary outcome is meeting Diagnostic and Statistical Manual-IV (DSM-IV) diagnostic criteria for major depressive episode; generalised anxiety disorder; panic disorder with or without agoraphobia, agoraphobia with or without panic, social phobia, adult separation anxiety or adjustment disorder with depressed mood, anxiety or mixed depressed mood and anxiety within the past 30 days at 6 months postpartum. Secondary outcomes are self-rated general and emotional health, infant sleep problems, method of infant feeding, quality of mother–infant relationship and intimate partner relationship, and healthcare costs and outcomes.

Ethics and dissemination Approval to conduct the study has been granted. A comprehensive dissemination plan has been devised.

Trial registration number Australian New Zealand Clinical Trials Registry ACTRN12613000506796.

UTN U1111-1125-8208.


This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See:

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Strengths and limitations of this study

  • Extensive preparatory work supported by Government department responsible for the maternal and child health service delivery.

  • Parallel cluster, prospective design.

  • Will generate policy-relevant findings.

  • Relatively short follow-up period.

  • Challenges of implementing a standard intervention in diverse real-world settings.


There is increasing recognition that postnatal common mental disorders among women are an important public health problem internationally.1 The term ‘postnatal depression’ is in widespread use, but is a term that includes a range of non-psychotic mental disorders not just depression that are associated with functional disability, reduced social participation and diminished caregiving capacity.2 Anxiety and adjustment disorders are prevalent and problematic3 but less well recognised than depression. The cost of postnatal mental health problems to individuals, families, communities and the health system is considerable.4

International guidance recommends screening women for depressive symptoms in the postpartum year and referring them for treatment.5 However, a comprehensive approach to mental health service delivery must include the prevention of mental disorders.6 Many existing interventions are secondary prevention, and include indicated (for women with current symptoms) or selective (for women exposed to known risk factors) approaches.7 However, primary prevention strategies which are offered universally to reduce population prevalence are more cost-effective, less stigmatising and more likely to be used.8 ,9

Seven rigorously-conducted trials of universal postnatal primary prevention interventions have been published.10 Of these, only two reported beneficial effects.

Most of these interventions assessed only depression as an outcome. None of the trials stratified the outcome analyses by psychiatric history; and most did not identify the risk factor they were seeking to address.11 The What Were We Thinking (WWWT) programme was designed to address these gaps.

The WWWT prevention programme

WWWT is a brief, structured, couple-focused psychoeducational intervention to address modifiable risks and thereby prevent common postnatal mental disorders among women. It is designed to be integrated into universal postnatal primary care as part of a parenting programme.

WWWT conceptual model

The early postpartum period for a woman is characterised by reduced participation in activities outside the domestic sphere, disruption to social support in paid workplaces and social networks, and therefore greater dependence on her intimate partner. The quality of day-to-day interactions between partners is central to emotional well-being. The workload of caring for an infant and managing a household in which an infant lives is large and never complete. A partner who recognises and affirms a woman's mothering skills and understands her predicament enhances her confidence and well-being.11 Conversely a woman whose partner does not recognise or is critical of her work can feel demeaned and shamed. Brown and Harris12 articulated a social theory of depression in which such experiences of entrapment and humiliation are defined as key risks.

Caring for a highly dependent infant is isolating and repetitive, and can be anxiety-arousing, especially if the infant is unsettled and is difficult to sooth. Repeated attempts to sooth a baby who cries inconsolably or is difficult to breastfeed can be experienced as demoralising. The use of unsustainable and ineffective strategies to settle the infant to sleep can lead to cycles of increased anxiety and diminished confidence in parents.11

We propose that the impact of unsettled infant behaviour and difficulties in the partner relationship are mediated by occupational fatigue. The work of household management and infant care is neither dignified with the language of work nor accorded the occupational protections that exist in paid workplaces. Since infant care and household tasks are not named as work they can be under-recognised and trivialised. Extreme fatigue is widespread among new mothers and can have a profound negative impact on functioning.13 Unsettled infant behaviour exacerbates fatigue at this life stage and contributes to relationship difficulties. Fatigue may precede rather than be symptomatic of depression in women.14

We postulate that depression and anxiety among mothers of infants can be conceptualised as reflecting poorly functioning intimate relationships with the partner and baby, which are potentially modifiable. Since the common mental disorders (anxiety, adjustment disorders and depression) are not easily distinguished, WWWT addresses them together.

WWWT incorporates the three key elements of psychoeducation: information, skills development and emotional support.15 It uses adult learning, small group instruction and social cognition theories. It is positioned as meeting new parents’ high learning needs for life stage-specific information and skills to underpin behaviour change.11 WWWT includes partners and provides skills to modify day-to-day interactions in this relationship. It includes the infant and addresses infant behaviours. It is informed by established theories and intended to be implemented in primary care.

Preliminary evidence of efficacy of WWWT

The acceptability, salience and preliminary evidence of efficacy of WWWT were demonstrated in a before-and-after controlled study.16 Control and intervention groups were recruited and followed sequentially. All received usual postpartum primary healthcare and intervention group participants were also invited to attend a WWWT programme, facilitated by trained, supervised, specialist child and family health nurses.

Among women without a psychiatric history, being in the intervention group was associated with significantly reduced odds (OR=0.43, 95% CI 0.21 to 0.89) for a Diagnostic and Statistical Manual-IV (DSM-IV) diagnosis of depression or anxiety or adjustment disorder with depressed mood, anxiety or mixed anxiety and depressed mood in the first 6 months postpartum compared to the control group after adjusting for baseline group differences. The WWWT intervention appears to be a promising means of preventing common mental disorders. The aim of this study is to test WWWT effectiveness in a cluster randomised study when it is offered by trained nurses in their local settings.

Study hypotheses

Compared with usual care, participation by primiparous women in WWWT will by 6 months postpartum be associated with:

  • Hypothesis 1.1 (H1.1): lower 30-day prevalence of DSM-IV diagnoses of depressive, anxiety or adjustment disorders;

  • Hypothesis 1.2 (H1.2): better self-rated physical and emotional health;

  • Hypothesis 2 (H2): lower proportion of infants with unsettled behaviour;

  • Hypothesis 3 (H3): no differences in proportions of breastfed infants;

  • Hypothesis 4 (H4): similar mother-infant relationship;

  • Hypothesis 5 (H5): greater satisfaction with the intimate partner relationship;

  • Hypothesis 6 (H6): more appropriate healthcare resource use, lower total healthcare costs and improved health-related quality of life, and thus will be cost-effective.

Methods and analysis


In the Australian state of Victoria in 2012 there were 77 405 births, approximately 40% (31 000) of which were to nulliparous women17 and more than 99% in hospital. After hospital discharge, primary postnatal healthcare in Victoria is provided by the Maternal and Child Health (MCH) Service, which operates under the jurisdiction of the Victorian Government Department of Education and Early Childhood Development (DEECD). The service offers universal fee-free service to families with children aged from birth to 5 years.18 The service is funded jointly by the Victorian State and Local Governments19 and operates according to practice guidelines.18 The Key Ages and Stages (KAS) Service Activity Framework describes the evidence-based content of 10 scheduled visits in the first year of a child's life and, for parents with first babies, a schedule of First Time Parent Groups (FTPs).20 FTPs are facilitated by MCH nurses and are intended to enhance parental emotional well-being and parent–child interaction, and to increase parental confidence, independence in child rearing and social support.21 All women giving birth in Victoria are allocated based on their residential address by their Local Government Area (LGA) to receive postnatal care at a specific MCH centre.

Study reference group

All aspects of the study will be overseen during weekly meeting of the study team. Progress will be reported regularly to the study reference group, which consists of all named investigators. The reference group will monitor conduct of the trial and provide expert advice at periodic teleconferences and in-person meetings.

Study design

CONSORT-compliant parallel group cluster randomised controlled trial, using the MCH centre as the unit of randomisation.

The intervention

The WWWT programme

The WWWT programme is implemented by trained MCH nurse facilitators in a single day, 6 h session designed for groups of 5–7 families, each consisting of mother, partner (or other caregiver) and their infant(s). Content is delivered in a variety of formats, including didactic presentations, discussion, individual and couple learning activities, practical demonstration and individual practice. A folder contains programme content, which uses attractive images and non-psychiatric language, and includes worksheets that are used during the programme and taken home by participants for later reference. The programme has 15 modules, grouped into two sections: About Babies and About Parents.11

Training and supervision of MCH staff

WWWT facilitator training programme

MCH nurse-facilitators complete a training programme, which is informed by nurses’ identified training needs and preferences and knowledge translation theory.22

The WWWT training programme has three components. The online active learning module covers background theory, the level 1 face-to-face workshop promotes specific WWWT skills and the level 2 workshop develops advanced knowledge and practical skills for facilitating WWWT sessions.

Facilitator's guide and equipment

The facilitation guide is a detailed manual outlining introduction, precise content, proposed timings, learning strategies, responses to frequently asked questions and conclusions for each learning activity. Each facilitator is provided with a copy of the Guide, a baby sized doll and a muslin wrap of recommended dimensions to demonstrate wrapping and patting techniques during WWWT sessions.

Supportive supervision

Supportive telephone or email supervision is provided to facilitators by the developers of WWWT or research staff after each programme delivery. Programme implementation, contextual factors and reflections on opportunities for improvement are discussed.

Selection of local government areas

The 31 LGAs in the greater metropolitan area of Melbourne are ranked by the Socioeconomic Indexes for Areas (SEIFA) Index of Relative Advantage and Disadvantage23 and divided into high tertile, middle tertile and low tertile. Using an established sampling technique,24 two LGAs were selected from each tertile and invited to participate. LGA invitations will continue until six LGAs have signed formal agreements with Monash University, which specify the study-related responsibilities of each party.

Selection of MCH centres

MCH centres that provide care for at least 16 primiparous women per annum are eligible. Exclusion criteria include a high proportion of clients from non-English speaking backgrounds and staff who are working in more than one MCH centre and therefore potentially in both intervention and control centres. Eight MCH centres will be selected randomly from the list of those meeting eligibility criteria from each LGA to yield 48 MCH centres for the trial.

Randomisation of MCH centres

MCH centres will be allocated randomly in a 1:1 ratio to intervention or control arms by an independent statistician, using Stata V.12 random allocation program,25 stratifying by LGA (figure 1).

Figure 1

Flow chart of selection and randomisation of maternal and child health centres and enrolment and follow-up of participants.


Inclusion criteria

All primiparous women who have given birth in the preceding 2 weeks and are residing in participating LGAs and receiving postpartum healthcare in a participating MCH centre are eligible to participate.

Exclusion criteria

Women whose English language proficiency is insufficient to complete structured telephone interviews are not eligible to participate.

Recruitment and participation

In Victoria, birth notifications are distributed to LGAs. To comply with Victorian privacy legislation, a designated LGA officer telephones all potentially eligible women within 2 weeks of discharge from a maternity hospital to determine that they have given birth to their first baby. The officer explains that the LGA is a partner in a study investigating sleep parenting and relationships in the community and seeks an expression of interest to hear about the study. Women who are interested are asked to give permission for their contact details to be sent to the research team. Within 1 week a member of the research team telephones women who have provided their contact details to describe the study, answer questions, confirm eligibility and invite eligible women to participate. Recruitment is staged, sequentially in each LGA, to enable sufficient numbers of participants with babies of similar age to be offered WWWT as a group. Recruitment will continue until the required number of participants has entered the trial.

Informed consent

The central ethical concerns are voluntary participation and protection of privacy and confidentiality. Women who express interest in participating are given an oral explanation of the study and a description of what participation would entail and are mailed or emailed the Participant Information and Consent Form. They are assured that participation is voluntary, that care providers will not know whether or not they are participating and that participation will not impact on their healthcare. Steps to safeguard participants’ privacy and confidentiality are outlined. The information that participants provide will be identified only by code number, only nominated staff will have access to the data, and only pooled data from which no individual could be identified will ever be published. Women who agree to participate sign the consent form, and email or post it back to the researchers.

Intervention group

All primiparous women attending for care in intervention MCH centres including those recruited to the trial receive care from a WWWT-trained MCH nurse that is consistent with WWWT principles about infant behaviour management and adjustments in the partner relationship. They are also invited to attend a WWWT programme, facilitated by trained MCH staff, within the first 10 weeks postpartum. They may also participate in a First-Time Parent Group, which addresses parenting topics but does not include WWWT.21

Attendance at the WWWT programme will be recorded by MCH nurse facilitators on a study-specific attendance form. The lists will be used to assess participation in the intervention. Families who do not attend will be mailed a copy of the WWWT participant materials.

Usual care

Participants attending control MCH centres receive usual best practice care. This may include participation in a First-Time Parent Group, but does not include participation in the WWWT programme or access to the WWWT print materials.

Participant assessment

After participants have given informed consent to participate, the interviewers schedule a convenient time to conduct a computer-assisted telephone interview (CATI). Follow-up is conducted at 6 months postpartum. Text messages (SMS) alert participants to the forthcoming interview and inform them that an interviewer will be contacting them. Interviewers make up to five repeat telephone calls at which time an SMS is sent informing participants that the study team will not be making further attempts to contact them. In order to promote retention, a study newsletter will be sent to participants part-way through the trial.

Data Sources

Baseline and follow-up assessments comprise study-specific structured, CATIs. Interview instruments are available from the first author. Interviews are conducted by experienced graduate health research interviewers. Training of interviewers involves them observing trained interviewers conducting interviews and then undertaking supervised interviews themselves. Once they are proficient, interviewers begin study interviews and then participate with the researchers and other interviewers in weekly supervision and feedback sessions.

Data will be collected in the CATI platform. The CATI platform uses field limiters which minimise mis-entry and ensure that there are no missing data. CATI data are downloaded regularly to the Monash University network which is compliant with data security requirements. Only named researchers will have access to the password-protected data files.

Baseline CATI

The baseline CATI includes study-specific fixed-choice questions about the participant's date of birth, country of birth, main language spoken at home, current marital status, occupation prior to having the infant, highest level of education completed, history of diagnosed mental health problems and history of physical and sexual abuse. Study-specific questions also collect information about previous pregnancies. Questions about this pregnancy include conception using Assisted Reproductive Technology (ART), unplanned pregnancy, mode of birth, singleton infant or multiples, self-rated general health, maternal rating of infant general health and method of feeding the infant.

Participants also complete the Vulnerable Personality Style Questionnaire (VPSQ),26 Patient Health Questionnaire (PHQ-9),27 Generalised Anxiety Disorder (GAD-7),28 PHQ Panic29; Demoralisation Scale,30 Intimate Bonds Measure (IBM)31 and a modified form of the Barr Parental Diary32 (table 1).

Table 1

Standardised instruments and psychometric properties

Follow-up CATI

Primary outcome

The primary outcome is a DSM-IV33 diagnosis of any depressive, anxiety or adjustment disorder.

The Composite International Diagnostic Interview (CIDI) yields diagnoses of anxiety and mood disorders but not of adjustment disorders.34 Thus the primary outcome (H1.1) was assessed using two separate measures and is operationalised as meeting DSM-IV33 diagnostic criteria for:

  • Major depressive episode, generalised anxiety disorder, agoraphobia with or without panic, panic disorder with or without agoraphobia, social phobia or adult separation anxiety, within the past 30 days, assessed by the CIDI; 35

  • Adjustment disorder with depressed mood, anxiety or mixed depressed mood and anxiety are assessed using responses to symptom and impairment questions from the Patient Health Questionnaire,27 GAD-728 and study-specific questions about the timing of the onset of symptoms.

Secondary outcomes

Self-rated physical and emotional health (H1.2) is assessed using a single item from the SF-36,36 the PHQ,27 Demoralisation Scale30 and Fatigue Assessment Scale (FAS).37

Infant sleep and unsettled infant behaviour (H2) are assessed using maternal report of an infant sleep problem, the modified form of the Barr Parental Diary32 and three questions from the Infant Feeding and Sleep Assessment Questionnaire (IFSAQ), modified for the Australian cultural context (eg, ‘cot’ instead of ‘crib’) (St James-Roberts, personal communication).

The proportion of breastfed infants (H3) is estimated using fixed-choice questions about method of infant feeding in the previous 24 h (breast milk, infant formula, solids.

Mother–infant relationship (H4) is assessed using the Parent–Infant Attachment Questionnaire (PAQ)38 and parenting self-efficacy questions from the Longitudinal Study of Australian Children (LSAC).39

Satisfaction with the intimate partner relationship (H5) is assessed using seven study-specific questions about perceptions of the relationship and equality of household workload distribution.

Health service use and costs (H6) are estimated from study-specific questions about healthcare resource use and out-of-pocket costs associated with postnatal healthcare for the 6 month period since the birth of the baby. To assess health-related quality of life, participants also complete the EuroQol five-dimensional questionnaire (EQ-5D-3L;40 table 1).

Additional questions

The follow-up CATI also includes study-specific questions about current marital status, unmet needs for practical and emotional support, desire for more children and an open-ended question about coincidental stressful life events. On completion of the interview, for the intervention group only, questions are asked about how often participants and their partners refer to the materials and apply the strategies from WWWT. Participants are asked to record on a study-specific form all healthcare use and out-of-pocket costs incurred since the baseline interview. Additional fixed-choice questions assess mastitis (breast infection with fever) and the main reason for stopping breastfeeding if relevant.


The LGA officers who assist with recruitment of participants and the participants are blind to the allocation status of MCH centres.

The WWWT programme is presented to participants as part of standard care in their MCH centre; participants will therefore be blinded to their trial status. However, there is the possibility that they will make the association between the trial investigators and the authors of the WWWT programme materials.

Clinic staff are aware of the allocation status of their MCH centres because the WWWT programme is integrated into usual care in these MCH centres. To avoid contamination of the control MCH centres with the WWWT programme, MCH staff members are asked at the Facilitator Training workshops to avoid discussion with their colleagues in control MCH centres about the WWWT programme materials, training and delivery, for the duration of the trial.

The interviewers who collect baseline and outcome data are blind to allocation status until the end of the follow-up CATI when a set of questions about participation in the WWWT programme is programmed to appear for those allocated to this condition.

Primary outcome

The primary outcome is assessed at the individual level at 6 months postpartum as having met DSM-IV diagnostic criteria for major depressive episode, generalised anxiety disorder, agoraphobia with or without panic, panic disorder with or without agoraphobia, social phobia or adult separation anxiety in the previous 30 days, assessed by the CIDI or adjustment disorder with anxiety or with depressed mood or with mixed anxiety and depressed mood, assessed by the PHQ.

Sample size

Based on our controlled before-and-after study we have powered the trial to detect a difference of 12.5% (25% in the control arm, 12.5% in the intervention arm) in prevalence of the primary outcome. A trial in which individuals are randomised would require 168 participants in each arm, with a type 1 error of 5% and 80% power. Adjusting for clustering (intraclass correlation=0.01), the required sample is n=184 per arm, a total sample of n=368. Allowing for attrition of approximately 10% after baseline assessments, we will continue recruiting until 400 (200 in each arm) participants have entered the trial. With a conservatively estimated 50% recruitment fraction, the required number of participants will be able to be recruited from 48 MCH centres (clusters), which each provide care to at least 16 primiparous women per annum (figure 1).

Analysis plan

Baseline data will be compared between the intervention and control groups to establish the validity of the randomisation process. Binary outcomes will be analysed using logistic regression models to compare the proportions at 6 months between the intervention and control groups. Continuously-valued outcomes will be analysed using linear regression and ordinal outcomes will be analysed using multinomial logistic regression. All regression analyses will be adjusted for clustering, any baseline differences, psychiatric history and other relevant covariates. In addition to the proportion of infants receiving only breast milk and any breast milk at 6 months, we will compare the proportion of women reporting mastitis and breastfeeding cessation because of low milk supply in intervention and control groups. All analyses will be by intention to treat and conducted using Stata.25

Economic analysis

The protocol for the economic evaluation being conducted with this trial is reported separately.46

Data monitoring committee

A data monitoring committee is considered non-essential because the trial is conducted in a community based and not a high-risk population; the intervention being tested involves a brief one-off attendance at a WWWT session; any potential harmful effects of the intervention are assessed as unlikely; there are no preplanned interim analyses and a short follow-up of participants.47

Ethics and dissemination

Approval to conduct the study was granted by Southern Health (now Monash Health) Human Research Ethics Committee (24 April 2013; 11388B). The study was registered with Monash University Human Research Ethics Committee (30 April 2013; CF12/1022–2012000474). The Education and Policy Research Committee, Victorian Government Department of Education and Early Childhood Development approved the study (22 March 2012; 2012_001472). Use of the EuroQol was registered with the EuroQol Group; 16 August 2012.

Protocols are in place to identify and follow-up participants whose scores on standardised mental health assessments indicate elevated psychological distress.

A summary of results of the study in non-technical language will be posted or emailed to participants who elect to receive one. The results will be published in the peer-reviewed literature and presented to professional audiences at national and international conferences. Policy briefs will be prepared for state and local government stakeholders. Media releases will be distributed in order to make the findings known to the general public.

Access to data

The trial data set will be stored on the Monash University secure network. Only named investigators will have access to the data. Data will be held according to National Health and Medical Research Council policy and retained until 7 years after the results of the research are published. Access to data subsets by third parties will be negotiated according to a written data access policy and administered by the chief investigators. There are no contractual agreements that limit access.

The project lead (JF) will be responsible for final decisions about authorship. Eligibility for authorship shall be in accordance with the Australian Code for the Responsible Conduct of Research, 2007.48


The authors are grateful to the Ms Nicola Quin, Victorian Government Department of Health, Ms Ann Colahan, Victoria Government Department of Education and Early Childhood Development, Ms Helen Rowe, the Municipal Association of Victoria and staff in Local Governments who facilitated partnerships with state and local government stakeholders.



  • Contributors JF and HR developed the WWWT program and conducted the preliminary efficacy study. JF, HR, PL, LHA, SR, JP, WC, HH and JBa designed the trial and secured funding. HR, JF, KW and JBu drafted the manuscript and all authors reviewed the manuscript for intellectual content and approved the final version.

  • Funding The Victorian Government Departments of Health and Education and Early Childhood Development 2011–2012 provided a grant to assess current MCH practice, staff training needs and to develop a comprehensive model of costs and health and social outcomes. The trial is being funded by the National Health and Medical Research Council Project Grant APP1026550 2012–2014 and the Australian Government. JF is supported by a Monash Professorial Fellowship and the Jean Hailes Professorial Fellowship.

  • Ethics approval Southern Health (now Monash Health) Human Research Ethics Committee.

  • Provenance and peer review Not commissioned; peer reviewed for ethical and funding approval prior to submission.

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