Table 2

Variables assessed during the RCT at different time points

Variable nameBaseline3 months6 months12 months
Demographic variables: age, sex, marital status, ethnicity, education, height (to calculate BMI), work statusX
Objective measures of height, weight, body fat % and BPXXXX
Food, alcohol consumption and smoking – adapted the Dietary Instrument for Nutrition Education (DINE) (fatty foods, fruit and vegetable and sugary food consumption); alcohol consumption assessed with AUDIT-C and smokingXXXX
Physical activity (self-reported) and sitting time - International Physical Activity Questionnaire (IPAQ) short versionXXXX
Sleep duration and quality - Pittsburgh Sleep Quality IndexXXXX
Health related quality of life (EQ-5D-5L)XXXX
Theory-derived psychological constructs: intentions, motivation, self-efficacy, attitudes, action planning and coping planning, goal facilitation and goal conflict, habit strength for physical activity and healthy eating (Self-Report Behavioural Automaticity Index)XXXX
Economic evaluation: self-reported healthcare utilisation using a validated patient cost questionnaireXXXX
Characteristics of the intervention, that is, acceptability of EMA phase, the advice provided, intervention delivery and formatOnly intervention groupOnly intervention groupX
Adverse effectsAt any time
  • BMI, body mass index; BP, blood pressure; RCT, randomised controlled trial.