Table 1 Data collection procedures in the Face-it Trial

Anthropometry

Height, weight and calculation of BMI

W

●

● (weight only)

P

●

● (weight only)

B

●

●

Waist circumference, hip circumference, % body fat

W

●

●

P

●

●

Abdominal circumference, head circumference

B

●

●

Blood pressure

Systolic and diastolic blood pressure

W

●

●

P

●

●

Glucose and Insulin

Fasting glucose, fasting insulin, HbA1c, calculations of HOMA-IR and HOMA-β

W

●

●

P

●

●

Glucose and insulin at 30 and 120 min 75 g OGTT

W

●

●

Lipids

Total cholesterol, triglycerides, HDL, LDL

W

●

●

P

●

●

Plasma gamma-glutamyl transferase

W

●

●

P

●

●

Demographics, socio-economics, medical history

Self-constructed questionnaire

W

●

●

P

●

●

Obstetric history

Self-constructed questionnaire

W

●

●

Quality of life

Short Form Health Survey (SF-12v2) [34]

W

●

●

P

●

●

Self-perceived health

Using the question ‘in general, would you say that your health is excellent, very good, good, fair, or poor?’

W

●

●

P

●

●

Mental health and wellbeing

Perceived Stress Scale (PSS) [35], General Anxiety Disorder scale (GAD7) [36], The WHO-Five Wellbeing Index (WHO-5) [37]

W

●

●

P

●

●

Diet, physical activity, sleep, alcohol and smoking

Dietary Quality Score [38], International Physical Activity Questionnaire (IPAQ) short form [39], Karolinska Sleep Questionnaire (KSQ) [40, 41], Self-constructed questionnaires

W

●

●

P

●

●

Breastfeeding

Self-constructed and questions from the Infant Feeding Practices Study II [42], Nilsson et al. 2017 [43], and the Danish National Birth Cohort [44]

W

●

●

Health literacy

Health Literacy Questionnaire (HLQ) [45, 46]

W

●

●

P

●

●

Risk perception and knowledge about diabetes

Risk Perception Survey for Developing Diabetes (RPS-DD) [47, 48] adapted to Danish context

W

●

●

P

●

●

Self-efficacy

Maindal 2009 [49]

W

●

●

P

●

●

Perceived quality of health care services

Health Care Climate Questionnaire (HCCQ) [50] adapted to GDM

W

●

Exercise Self-regulation and motivation

Exercise Self-regulation Questionnaire (TSRQ-E) [51] modified

W

●

●

P

●

●

Social support

Perceived Social Support [52];

Social Support for Diet and Exercise Behaviours [53]

W

●

●

P

●

●

Family Functioning

McMaster Family Functioning Scale, General and Roles domains [54]

W

●

●

P

●

●