Table 1.
Secondary outcomes and process measures a
| Outcomes | Measures used |
|---|---|
| Depression score (depression trial only) as a binary outcome at 8 and 12 months and as a continuous variable at 4,8 and 12 months |
PHQ-9 [21] |
| Ten-year CVD risk score (CVD risk trial only) as a binary outcome at 6 months and as a continuous variable at 6 and 12 months |
QRISK2 [19] variable obtained by clinical assessment |
| Quality of life |
EQ-5D-5 L [37] |
| Patient satisfaction |
Items constructed for present research and taken from Y4Q1 GP Patient Survey |
| Patient perceived access to care |
Items adapted from TMQ [38] and items constructed for present research |
| Physical activity |
Health-directed behaviour domain of heiQ [39] |
| Individual cardiovascular risk factors that is blood pressure, cholesterol, smoking status, weight, BMI (CVD risk trial only) |
Clinical assessment |
| Diet (CVD risk trial only) |
STC [40] anglicised for present use |
| Use of telehealth |
Items constructed for present research |
| Internet use and experience |
Items constructed for present research |
| Self-management skills and self-efficacy |
Self-monitoring and insight, constructive attitudes and approaches, skill and technique acquisition, and healthcare services navigation domains of heiQ [39] |
| Medication adherence (depression trial asked only about antidepressant medication; CVD trial asked about antihypertensive and cholesterol-lowering medications) |
Morisky Medication Adherence Scale [41] |
| Health literacy |
Items adapted from eHEALS [42] |
| Care coordination |
Subscales adapted from a measure of continuity questionnaire [43] |
| Anxiety (depression trial only) |
GAD-7 [44] |
| Resource use |
Items constructed for present research |
| Demographics | Various items taken from the Y4Q1 GP Patient Survey, 2001 census and Health Survey for England, 2007 |
aBMI, Body mass index; CVD, Cardiovascular disease; eHEALS, eHealth Literacy Scale; GAD-7, Generalized Anxiety Disorder 7-item scale; heiQ, Health Education Impact Questionnaire; PHQ-9, Patient Health Questionnaire; STC, Starting the Conversation; TMQ, Treatment Motivation Questionnaire.