Table 1

Data collection schedule

Questionnaires and measurementsScreening visitBaseline visit3-month visit6-month visit9-month visit12-month visit18-month visit
Primary outcome measures
Glycosylated haemoglobin A1cXXXXXX
Resource utilisation/costXXXXXX
Secondary outcome measures
Blood pressureXXXXXX
LDL cholesterolXXXXXX
Quality of life (SF-12)XXXX
Behavioural skills (SDSCA)XXXXXX
Medication adherenceXXXXXX
Delay discountingXXX
Covariates
Patient demographicsX
Social supportX
Health literacyX
Depression (PHQ-9)XXXXXX
Medical comorbidityX
  • LDL, low-density lipoprotein; PHQ-9, Patient Health Questionnaire-9; SDSCA, Summary of Diabetes Self-Care Activities; SF-12, 12-item Short Form Survey.