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Table 1 Data collection procedures in the Face-it Trial

From: Protocol for a randomised controlled trial of a co-produced, complex, health promotion intervention for women with prior gestational diabetes and their families: the Face-it study

VariableMeasurementParticipantT0T1T2
AnthropometryHeight, weight and calculation of BMIW  (weight only)
P  (weight only)
B 
Waist circumference, hip circumference, % body fatW 
P 
Abdominal circumference, head circumferenceB 
Blood pressureSystolic and diastolic blood pressureW 
P 
Glucose and InsulinFasting glucose, fasting insulin, HbA1c, calculations of HOMA-IR and HOMA-βW 
P 
Glucose and insulin at 30 and 120 min 75 g OGTTW 
LipidsTotal cholesterol, triglycerides, HDL, LDLW 
P 
Plasma gamma-glutamyl transferase W 
P 
Demographics, socio-economics, medical historySelf-constructed questionnaireW 
P 
Obstetric historySelf-constructed questionnaireW 
Quality of lifeShort Form Health Survey (SF-12v2) [34]W 
P 
Self-perceived healthUsing the question ‘in general, would you say that your health is excellent, very good, good, fair, or poor?’W 
P 
Mental health and wellbeingPerceived 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 smokingDietary Quality Score [38], International Physical Activity Questionnaire (IPAQ) short form [39], Karolinska Sleep Questionnaire (KSQ) [40, 41], Self-constructed questionnairesW 
P 
BreastfeedingSelf-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 literacyHealth Literacy Questionnaire (HLQ) [45, 46]W 
P 
Risk perception and knowledge about diabetesRisk Perception Survey for Developing Diabetes (RPS-DD) [47, 48] adapted to Danish contextW 
P 
Self-efficacyMaindal 2009 [49]W 
P 
Perceived quality of health care servicesHealth Care Climate Questionnaire (HCCQ) [50] adapted to GDMW  
Exercise Self-regulation and motivationExercise Self-regulation Questionnaire (TSRQ-E) [51] modifiedW 
P 
Social supportPerceived Social Support [52];
Social Support for Diet and Exercise Behaviours [53]
W 
P 
Family FunctioningMcMaster Family Functioning Scale, General and Roles domains [54]W 
P 
  1. W woman with prior GDM, P partner of the participant, B baby of the participant,
  2. T0 data collected from medical birth record, T1 data collected at baseline (10–14 weeks after delivery), T2 data collected at follow-up (12 months after delivery)