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The frequency distribution of presenting symptoms in children aged six months to six years to primary care

Published online by Cambridge University Press:  13 October 2010

Sara Whitburn*
Affiliation:
Honorary GP Research Fellow, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
Céire Costelloe
Affiliation:
Research Associate, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
Alan A. Montgomery
Affiliation:
Reader in Primary Care Research, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
Niamh M. Redmond
Affiliation:
Trial Coordinator, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
Margaret Fletcher
Affiliation:
Reader in Children’s Nursing, Faculty of Health and Social Care, University of West England, Coldharbour Lane, Bristol, UK
Tim J. Peters
Affiliation:
Professor of Primary Care Health Services Research, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
Alastair D. Hay
Affiliation:
Consultant Senior Lecturer in Primary Health Care, Academic Unit of Primary Health Care, NIHR School for Primary Care Research, Department of Community Based Medicine, University of Bristol, Bristol, UK
*
Correspondence to: Dr Sara Whitburn, Rowville Health, 12–14 St Lawrance Way, Rowville VIC 3178, Australia. Email: SWhitburn@rowvillehealth.com
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Abstract

Background

Primary care providers and researchers wishing to estimate study recruitment rates need estimates of illness frequency in primary care. Previous studies of children’s symptoms have found that presentations are most common for the symptoms: cough, fever, earache, rash, diarrhoea and vomiting. Since 2000, primary care provision in the United Kingdom has changed with the introduction of Walk-in-Centres (WICs) and new Out of Hours (OoHs) providers.

Aims

To describe the type and frequency of parent-reported presenting symptoms at a range of primary care sites between 2005 and 2007.

Methods

Parent-reported presenting symptoms, recorded in their own words, were extracted from data collected from all children aged six months to six years during recruitment to a randomised controlled trial. Presenting symptoms were coded and presented as frequency per 100 ‘consulting sessions’ by type of primary care site.

Findings

Results were evaluated from 2491 episodes of illness at 35 sites. When grouped by primary care site, respiratory symptoms were the most common at OoHs centres, the WIC and general practitioner (GP) surgeries. Trauma symptoms were common in the Emergency Department, but unexpectedly, diarrhoea and vomiting were more common in the Emergency Department and skin presenting symptoms more common at the WIC than at GP sites.

Conclusions

We report the relative frequency of acute symptoms by type of primary care provider. These data may be useful to those planning recruitment to primary care paediatric studies and policy makers for planning primary care service provision.

Type
Research
Copyright
Copyright © Cambridge University Press 2010

Background

Preschool children have frequent episodes of illness leading to more primary care consultations than any other age group (McCormick et al., Reference McCormick, Fleming and Charlton1995; Rowlands and Moser, Reference Rowlands and Moser2002). However, only around half of illnesses are brought to the attention of primary care (Pattison et al., Reference Pattison, Drinkwater and Downham1982). Previous studies have found that factors associated with parents’ decision to consult are socio-economic, (Little et al., Reference Little, Somerville, Williamson, Warner, Moore, Wiles, George, Smith and Peveler2001) parental illness attitudes (Osman and Dunt, Reference Osman and Dunt1995) and concerns about illness severity (Wyke et al., Reference Wyke, Hewison and Russell1990; Kai, Reference Kai1996).

Several of these studies have used diagnoses from general practitioners (GPs) and general practice databases (Rowlands and Moser, Reference Rowlands and Moser2002) or diaries that used symptoms determined by the researchers (Pattison et al., Reference Pattison, Drinkwater and Downham1982; Wyke et al., Reference Wyke, Hewison and Russell1990; Osman and Dunt, Reference Osman and Dunt1995). However, the use of diagnostic labels between practitioners can be inconsistent (Stocks and Fahey, Reference Stocks and Fahey2002). This has led to calls for the research of acute problems in primary care to be based on presenting symptoms rather than disease categories (Medical Research Council, 1997).

Studies that have examined the frequency of symptoms include one conducted 30 years ago (Morrell, Reference Morrell1970) and three with data collection that occurred in the 1990s (Holme, Reference Holme1995; Bruijnzeels et al., Reference Bruijnzeels, Foets, van der Wouden, van den Heuvel and Prins1998; Hay et al., Reference Hay, Heron and Ness2005). These studies found that the most common presenting symptoms of children and adolescents were cough, fever, earache, rash and gastrointestinal disturbances. Since 2000, the structure of UK primary care service delivery has changed, with the advent of Walk-in-Centres (WICs) and changes to the ways in which GP Out of Hours (OoHs) services are delivered (Department of Health, 2000). Emergency Departments also provide an open access service, with up to 40% of attendees requiring primary care treatment (Robertson-Steel, Reference Robertson-Steel1998). To our knowledge, no study has described the presenting symptoms of preschool children whose parents have chosen to present to these services. This information is of particular relevance to researchers wishing to estimate study recruitment rates. Many studies fail to recruit to target, often because of inaccurate estimations of the frequencies with which eligible participants present. The frequency and type of presenting symptoms would also be of interest to primary care providers to assist with planning for workforce deployment, development and training that depends on parents’ health-seeking behaviour.

Therefore, the aim of this study was to describe the type and frequency of presenting symptoms in preschool children attending a range of primary care sites between 2005 and 2007.

Methods

Recruitment

Parent-reported presenting symptoms were recorded during recruitment to the Paracetamol plus Ibuprofen for the Treatment of fever in Children (PITCH) study (Hay et al., Reference Hay, Costelloe, Redmond, Montgomery, Fletcher, Hollinghurst and Peters2008). The data were collected as part of the recruitment phase of the PITCH study.

PITCH was a single centre (multi-site), individually randomised, blinded, three-arm trial investigating the relative clinical and cost effectiveness of different antipyretic strategies in children between six months and six years who could be managed in the community. Recruitment was conducted within a 12-mile radius of Bristol covering a wide variety of socio-economic dwellings, commenced in January 2005 and completed in May 2007. All Bristol National Health Service (NHS) primary care organisations, including General Practices, three OoHs General Practice Cooperatives, an NHS WIC and the Bristol Royal Children’s Hospital Emergency Department were invited to support recruitment.

Three methods were used to recruit children to the PITCH study, known as ‘local’, ‘remote’ and ‘community’. These have been described in detail elsewhere, (Hay et al., Reference Hay, Costelloe, Redmond, Montgomery, Fletcher, Hollinghurst and Peters2008) but in brief, the ‘local’ recruitment method consisted of a research nurse being stationed in the waiting rooms of collaborating NHS sites during consulting sessions (eg, mornings, afternoons or evenings). These lasted approximately 4–5 hours. Each ‘session’ was given a unique identifying number and only one nurse was present at each site per session. The research nurse would approach parents or carers of any child appearing to be in the appropriate age range and give them a trial ‘Invitation Letter’ and ‘Summary Parent Information Sheet’, printed on site headed paper. Receptionists were also asked to give the trial paperwork to appropriate parents.

This initial meeting was to assess the eligibility of children approached to be enrolled in the PITCH trial. Parents were asked to indicate, if their child was in the eligible age group, and whether the child had any ‘fever indicators’ as the study was a trial of antipyretics. These ‘indicators’ were the presence of current or recent (<24 hours) fever. Parents responding positively to both questions were invited to read the trial paperwork and to discuss the study further with the research nurse. Parents who did not want to be involved in the trial at this stage were asked to indicate their reasons and no further data were collected. Parents responding negatively to the fever indicator questions were asked ‘What was your reason for attendance at the doctor today?’ The research nurse would then note the parent or carer’s answers verbatim on the trial paperwork. The data were stored and analysed retrospectively. Symptom data were collected for all presentations and symptoms in children re-presenting at another session were recorded as new ‘symptom episodes’. The research nurses made every effort to talk to the parents of all potentially eligible children entering the site waiting room during each session. The number for whom this was not possible was recorded.

Parents willing to proceed with the trial would then see a clinician and clinical data were collected for the PITCH study. These and further data collected during the PITCH study were not used as they did not include any further parent-reported presenting symptoms. The remote and community recruitment methods were not used to provide data for this study, as they did not allow for documentation of children’s presenting symptoms.

Data collection management and analysis

A child’s episode was excluded if the child was not aged between six months and six years, if the parent’s/carer’s English was inadequate to complete the questions or the parent/carer declined to participate. Children’s illness episodes were also excluded if the research nurse logged the child’s presence and a data sheet number was recorded, but the nurse did not have the opportunity to discuss the study questions with the child’s parent/carer.

A Microsoft Access database was used to enter data collected from the recruitment invitation letter depending on the answer to the ‘fever indicator’ question. When the answer was ‘no’, then the parent-reported reason for attendance was entered in words or phrases verbatim by the research nurse as the presenting symptom. Each time a new presenting symptom was identified, a new code was given using the research nurses’ notated parent-reported words and phrases as closely as possible. If the parent-reported reason for an attendance was not a symptom, the description of reason was initially coded like a presenting symptom to allow analysis. These were subsequently excluded at final data analysis, as our aim was to focus on parent-reported presenting symptoms. If no word or phrase that could be coded as a presenting symptom was given, this was coded as ‘no fever – no other presenting symptom’ and was regarded as ineligible data. If the answer to the ‘fever indicator’ question was ‘yes’, then the invitation letter was scanned for details of another parent-reported presenting symptom. If none was found, this was coded ‘fever – no other presenting symptom’ and was regarded as ineligible for the study. This data were regarded as ineligible since the first question asked by the research nurse about the presence of fever indicators in the last 24 hours was a closed question, and not a true representation of a parent-reported symptoms or reason for the consultation.

If the research nurse had recorded the word ‘fever’ as the parent-reported reason for attendance, then this was considered to be a presenting symptom and was recorded in the database. If more than one symptom was given, then both symptoms were coded as ‘dual symptoms’. The ‘dual symptoms’ were then reviewed to see if the two symptoms could be grouped together and given their own presenting symptom code, for example, ‘cough and cold’ or ‘cough and earache’.

Descriptive statistics

Place of presentation was grouped into four site types: the Emergency Department, WIC, OoHs Cooperatives, and the GP surgeries. We used frequencies (percentages) to describe parent-reported presenting symptoms by symptom type (eg, respiratory) overall and then by site of presentation (eg, GP practice). The frequency of parent-reported presenting symptom was also calculated for the day/date of presentation and per 100 research nurse sessions. The frequency of eligible symptoms per session for one session was also calculated for each primary care site.

In order to assess the intensity of recruitment at each type of site, the median and interquatile range of research nurse sessions per month at each site was calculated. The mean of eligible number of presentation at each site was also used to assess the success of data collection at each site.

The date of each session was used to assign a week number to that session to allow analysis by calendar month.

Findings

Participants

A total of 35 sites agreed to take part in local recruitment, consisting of one WIC, the Children’s Emergency Department, two GP OoHs Cooperatives and 30 general practices. Figure 1 shows the flow of children’s illness episode presentations through the study. During local recruitment, research nurses approached children and their carers 3746 times. Of these, 117 presentations were excluded due to the carer’s insufficient knowledge of English (53), insufficient time because the child was called to see the clinician (33), or because the parent declined to participate (31). All the children were between the ages of six months and six years. No further demographic data for our study is available as further demographic data was only collected if the child was recruited to the PITCH study. Of the remaining 3629 presentations 1119 parents answered yes to the ‘fever indicator’ question, of which 607 (54%) presentations had another (eligible) parent-reported symptom or reason description. For the 2510 episodes, where parents responded no to the ‘fever indicator’ question there were 1884 (75%) episodes that had a parent-reported presenting symptom or reason description. Overall, parent-reported symptom/reason description data were present for 2491 (69%) of children’s illness episodes. There were 312 children illness episodes whose reason for attendance was not a parent-reported presenting symptom but descriptions of follow-up or routine medical care. Once these were excluded, there were 2179 eligible children illness episodes.

Figure 1 Flow diagram of children’s illness episodes presentations

Site of presentation

There were 1080 recruiting sessions across the 35 participating primary care sites. Figure 1 also shows the flow of children’s presentations across the four types of site. The median (quartile 1, quartile 3 and interquartile range) for the number of research nurse sessions completed per month per site were 5 (3, 9, 6) for the Emergency Department; 3 (2, 5, 3) for the WIC; 5 (3, 7, 4) for the OoHs services and 20 (16, 28, 12) for the GP surgeries. The frequency of number of eligible symptoms recorded by the research nurse in one session by site was 3.9, 3.1, 1.7 and 1.9 for the Emergency Department, WIC, OoHs services and GP surgeries, respectively.

Parent-reported presenting symptoms

Table 1 shows the type and frequency of parent-reported presenting symptoms. The most frequent parent-reported symptoms grouped by type were respiratory symptoms (30%), followed by trauma problems (20%), skin symptoms (18%), gastroenterological symptoms (11%), non-specific symptoms (9%), eye symptoms (6%), genitourinary problems (2%), fits (1%) and ‘other’ problems (3%). When parents reported a gastroenterological problem, they most often described the presenting symptom as vomiting and/or diarrhoea (84%). Overall, 59% of skin-presenting symptoms were described by parents as a ‘rash’.

Table 1 Number of presenting symptoms, percentage of all symptoms and rates per 100 sessions

Parent-reported presenting symptoms by site of presentation

Table 2 shows the type and frequency of parent-reported presenting symptom per site respiratory presenting symptoms were similar across sites and were the most frequent at all sites except the Emergency Department, where trauma was the most frequent presentation followed by respiratory and then gastroenterological symptoms. For the WIC the most frequent parent-reported presenting symptoms were equally spread between respiratory symptoms, trauma and skin symptoms. The frequency of parent-reported skin symptoms presenting to the WIC was twice that of those seen in OoHs and GP services. For OoHs sites, the most frequent was respiratory symptoms followed by gastroenterological and skin. At the GP surgery, the most frequent was respiratory symptoms followed by skin problems.

Table 2 Number of presenting symptoms by site of attendance

Parent-reported presenting symptoms over time

Figures 25 show the frequency of parent-reported presenting symptoms per session during each month of the two-year study period grouped by type. As expected, frequency of respiratory symptoms increased during the winter months and decreased during the summer months. There was no obvious seasonal pattern for the frequency of trauma parent-reported presenting symptoms. The frequency of gastroenterological symptoms peaked in the March of both 2005 and 2006. Skin parent-reported presenting symptom frequencies increased during March to May and decreased during winter months. There was an observed decline in the frequency of parent-reported presenting symptoms over the time for all types of parent-reported presenting symptoms.

Figure 2 Frequency of respiratory presenting symptoms per session over two-year study period

Figure 3 Frequency of trauma presenting symptoms per session over two-year study period

Figure 4 Frequency of gastroenterological presenting symptoms per session over two-year study period

Figure 5 Frequency of skin presenting symptoms per session over two-year study period

Discussion

Summary of main findings

This study shows that the most common parent-reported presenting symptoms, across a broad range of primary care providers, were respiratory, followed by trauma, skin and gastroenterological symptoms. When the results were categorised into site of presentation, trauma was the most common at the Emergency Department with respiratory as frequent as trauma and skin presenting symptoms at the WIC and the most common presenting symptom for OoHs and GP surgeries. An interesting finding was that gastroenterological symptoms appeared to present most frequently to the Emergency Department while skin symptoms were seen most commonly at the WIC. Parent-reported presenting symptoms over time showed there was seasonal variation for respiratory, gastroenterological and skin parent-reported presenting symptoms. There was a decline for each of the parent-reported presenting symptoms over time. This could be explained by regression to the mean but the numbers for each parent-reported presenting complaint were too small to be able to allow further analysis.

Strengths

To our knowledge, this is the first study to describe parent-reported presenting symptoms across a range of primary care services since the introduction of WICs and the change in GP OoHs providers. We believe it is also the first study of parent-reported presenting symptoms in preschool children in a UK primary care setting at the time of presentation. A further strength of our study is that we coded parent-reported symptoms verbatim, thereby avoiding the use of clinicians’ inconsistent diagnoses.

Limitations

We are aware of three study limitations. First, the main purpose of the PITCH invitation letter was to identify children with fever to enter the PITCH study. Recording presenting symptoms was a secondary data collection objective and analysed retrospectively. Nearly one third of children’s presentations were excluded as there was no record of a parent-reported symptom. This occurred more often for illness presentations with parents responding positively to the fever question. The non-response may have led to an underestimation of the symptom frequencies, and possibly more so for infections, which are associated with fever (eg, respiratory, gastroenterological and genitourinary symptoms). Fever may also be associated with more severe infections and so the results may underestimate more severe illnesses. Some further slight underestimation of symptoms may have occurred due to coding some ‘dual symptoms’.

Second, we do not know, and are unable to measure, the between parent reliability of the presenting symptom terms used. Some of the parent-reported symptoms codes are very similar in description, for example, chesty, wheezy and chest infection. There are also some codes that could be described as clinical diagnoses rather than presenting symptoms. This may have reflected some health training or knowledge by the parents. Another hypothesis is that the child had already been seen by health professionals earlier in the illness and a diagnosis had been discussed. If the parents then attended again and were logged as a new child illness episode presentation, parents may have described the diagnosis already given instead of the original presenting symptom. As the data were analysed after collection was completed, this could not be further clarified with parents/carers. The use of the parent-reported presenting symptoms verbatim allowed us to explore the type of parent-reported presenting symptom in a unique way, but the wide variation and the lack of clarification of parental meaning may have impacted onto the validity and reliability of some results. Future studies with a study design using parental-reported presenting symptoms verbatim as well as a standardised presenting symptom code such as the World Organisation of Family Doctors’ International Classification for Primary Care (ICPC-2) may improve reliability (ICPC-2, 1998).

Finally, although comparisons between sites can be made since we report the results per 100 research nurse sessions, recruitment density was higher in the GP practices compared with the other sites.

Comparison with other studies

Presenting symptoms

Our study found that parents used a wide range of words and phrases to describe the presenting symptom. Other studies have found considerable variability in how parents characterise symptoms (Young et al., Reference Young, Fitch, Dixon-Woods, Lambert and Brooke2002). However, when grouped into types, our frequency distribution of parent-reported presenting symptoms are similar to the findings of other studies examining symptom incidence and presentation in primary care (Holme, Reference Holme1995; Bruijnzeels et al., Reference Bruijnzeels, Foets, van der Wouden, van den Heuvel and Prins1998; Hay et al., Reference Hay, Heron and Ness2005) and studies conducted exclusively in Emergency Departments (Phillips and Robson, Reference Phillips and Robson1992; Hendry et al., Reference Hendry, Beattie and Heaney2005). Our finding that respiratory symptoms were the most frequent presenting symptom except at the Emergency Department agrees with their findings.

One previous study looked at attendances with skin problems at a WIC for ages 2–80 years old (Ersser et al., Reference Ersser, Lattimer, Surridge and Brooke2005). In 12 weeks, 21% of all attendees had a skin-related problem. We found that a similar 25% of presentations at the WIC had a parent-reported skin presenting symptom though in a much narrower age group over a longer period of time.

A Dutch study of 301 children and adults retrospectively compared the records of patients attending an OoHs GP cooperative and an Emergency Department. They found similar results to our study in that the OoHs service dealt with more infectious symptoms than the Emergency Department where the most frequent presentation was for trauma (Giesen et al., Reference Giesen, Franssen, Mokkink, van den, van and Grol2006). However, unlike our study, the authors found that gastroenterological symptoms were only a small percentage of presenting symptoms. This difference may be due to the difference in age groups studied.

Parent-reported symptoms over time

The seasonal pattern of consultations for children and adolescents with GPs has been observed before (Pace et al., Reference Pace, Dickinson and Staton2004). Our study found similar patterns for respiratory and gastroenterological presenting symptoms. One reason for the seasonality of gastroenterological presenting symptoms may be due to the known seasonality of Rotavirus infections which has been found to be peak in February and March in the preschool age group (Djuretic et al., Reference Djuretic, Ramsay, Gay, Wall, Ryan and Fleming1999).

Studies into seasons, weather and frequency of attendances at Emergency Departments have found conflicting outcomes (Attia and Edward, Reference Attia and Edward1998; Rusticucci et al., Reference Rusticucci, Bettolli and de los Angeles Harris2002; Macgregor, Reference Macgregor2003). A study in an Argentine Emergency Department looked at a wide range of symptoms including trauma and found a general increase in all types of problem in their winter except for ‘genitourinary and abdominal problems’ and ‘skin and allergies problems’ that had more attendances in their summer (Rusticucci et al., Reference Rusticucci, Bettolli and de los Angeles Harris2002).

Implications

The results of our study show the epidemiology of parent-reported presenting symptoms for a wide range of parent-reported symptom types and primary care services with time. These results could be used by researchers planning recruitment to paediatric primary care studies. The findings can be used to estimate how many children’s presentations might be expected for the presenting symptom of their research. This could be used to estimate the time needed for recruitment as well as the recruitment method. For example, a study to test the effectiveness of a new treatment for ottorhoea in children would be ill advised to station research staff in waiting rooms as we did for the PITCH study (Only 0.2% of illness episodes were parent-reported as ‘runny or discharging ear’). The results could also be used by primary care service providers planning healthcare provision and staff training.

Further research

Two unexpected findings in our study were the frequency of gastroenterological symptoms in the Emergency Department and the number and type of symptoms presenting to the WIC. We know that parents’ choice of utilisation is determined by the availability of care, socio-economic factors (Shipman et al., Reference Shipman, Longhurst, Hollenbach and Dale1997) and their own health beliefs (Hendry et al., Reference Hendry, Beattie and Heaney2005). Qualitative research is needed to improve our understanding of parental decision making when choosing which primary care service provider to attend for their children’s presenting symptom. Further research into parental meanings and definitions of presenting symptoms would help to increase understanding of parental concerns and reasons for consultation.

The most frequent gastroenterological symptom was vomiting and/or diarrhoea. Parents may attend Emergency Departments due to unknown fears about vomiting and diarrhoea and its acute onset means that the illness may start when parents are unable to access GP services for reassurance. Studies have been done into parents’ concerns about fever and wheeze. To improve parent and clinician communication around vomiting and diarrhoea further research into parents’ views and concerns about gastroenterological problems may be needed. Further research is also needed into the reasons behind the symptoms presenting to the WIC. There was only one Walk-in Centre in this study and for future service delivery, further research into children’s presentation is needed.

Although it is established that many symptoms presentations vary with season, the causative factors have not been identified and should be the subject of further research.

Conclusions

In conclusion, we found that the most common type of parent-reported presenting symptoms for children aged between six months and six years are respiratory symptoms. When data are grouped by primary care presenting sites, parent-reported respiratory symptoms were the most frequent except for the Emergency Department in which orthopaedic and trauma presenting symptoms were the most common. The estimates of relative symptom presentation frequencies given may help researchers estimating recruitment rates to paediatric primary care studies and allow primary care service providers to plan service provision.

Acknowledgements

This work was supported by the National Institute for Health Research Health Technology Assessment programme (project no. 03/09/01). The final study design, data collection and analysis, interpretation of results and paper writing was the sole responsibility of the authors. For the duration of the trial, ADH held a postdoctoral award from the National Coordinating Centre for Research Capacity Development, Department of Health. The views and opinions expressed in this paper do not necessarily reflect those of the funding bodies. This study was approved by the Bath research ethics committee (reference no. 04/Q2001/197). The authors declare no competing interests. The authors thank Avon, Gloucestershire and Wiltshire NHS Direct; the Bristol General Practitioner practices; the South Bristol Walk-in-Centre; the Emergency Department of the Bristol Royal Hospital for Children; the children and parents who participated; the South West Medicines for Children Local Research Network; the research nurse team W. Horseman, J. Farrimond, R. Powell, S. Shatford, P. Richards; the South West Medicines for Children Local Research Network nurse V. Payne; W. Patterson (trial coordinator); S. Bryant and S. Burke (project administrators); K. Schroeder, M. Weiss and A. Emond (co-applicants); K. Pitcher (data entry and quality); the trial steering committee (A. L. Kinmonth, C. Butler, J. Peacock, M. Blythe and P. Denyer); and the data monitoring and safety committee (R. Bragonier, S. Kerry and J. Chudleigh). ADH, AAM, MF and TJP conceived the original trial and wrote the protocol. ADH and SW conceived this observational study. The research nurse team collected the data under the supervision of NMR, CC and SH. SW, ADH and AAM cleaned and analysed the data. SW initially drafted the paper, with subsequent contributions from all authors. SW is the guarantor.

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Figure 0

Figure 1 Flow diagram of children’s illness episodes presentations

Figure 1

Table 1 Number of presenting symptoms, percentage of all symptoms and rates per 100 sessions

Figure 2

Table 2 Number of presenting symptoms by site of attendance

Figure 3

Figure 2 Frequency of respiratory presenting symptoms per session over two-year study period

Figure 4

Figure 3 Frequency of trauma presenting symptoms per session over two-year study period

Figure 5

Figure 4 Frequency of gastroenterological presenting symptoms per session over two-year study period

Figure 6

Figure 5 Frequency of skin presenting symptoms per session over two-year study period