Table 1 Overview of measurements and used methods
Measurements | Measurement tool (number of measures per occasion) | T0 | T1 | T2 | T3 | |
|---|---|---|---|---|---|---|
Retrosp. | Prosp. | |||||
Anthropometrics (parents) | ||||||
Body weight | TANITA Scale (once) | X | X | X | X | |
Body height | SECA Stadiometer (twice) | X | X | X | X | |
Self-reported weight and height | Questionnaire | X | X | X | X | X |
Body composition | TANITA Bio-electrical Impedance Analyzer (once) | X | X | X | X | |
Skin folds (biceps, triceps, subscapular and supraspinal) | Harpenden skinfold caliper (twice) | X | X | X | X | |
Waist circumference | Cescorf measuring tape (twice) | X | X | X | X | |
Hip circumference | Cescorf measuring tape (twice) | X | X | X | X | |
Anthropometrics (new-born) | ||||||
Body weight | SECA Baby Scale | X | X | X | ||
Length | SECA Measuring board (twice) | X | X | X | ||
Head and upper arm circumferences | Cescorf measuring tape (twice) | X | X | X | ||
Skin folds (biceps, triceps, subscapular and suprailiac) | Harpenden skinfold caliper (twice) | X | X | X | ||
EBRB and other health related factors | ||||||
Weight control behaviour | Questionnaire | X | X | X | X | X |
Changes in dietary and physical activity behaviour since pregnancy | Questionnaire | X | ||||
Dietary intake | Questionnaire: 22-item FFQ | X | X | X | X | |
Self-reported physical activity | Questionnaire: IPAQ | X | X | X | X | |
Context-specific sedentary behaviour | Questionnaire | X | X | X | X | |
Objective physical activity and sedentary behaviour (7 days) | Accelerometry (Actigraph) | X | X | X | X | |
Smoking habits | Questionnaire | X | X | X | X | X |
Sleeping pattern and fatigue | Questionnaire | X | X | X | X | X |
Psychosocial | ||||||
Partner support for diet and exercise behaviour | Questionnaire | X | X | X | X | |
Psychological wellbeing | Questionnaire: EPDS and GMDS | X | X | X | X | |
Socio-demographics and other sample characteristics | ||||||
Breastfeeding and contraception use | Questionnaire | X | X | X | ||
Medical conditions (high blood pressure, high cholesterol, heart and vascular diseases, cancer, sport injuries, depression, chronical fatigue, insomnia) | Questionnaire | X | X | X | X | |
Emesis/Nausea | Questionnaire: PUQE | X | ||||
Socio-demographics (e.g. age, ethnicity, level of education, employment and marital status) | Questionnaire | X | X | X | X | |
Pre-pregnancy weight, fertility treatment | Medical Record | X | ||||
Complications during pregnancy (e.g. pregnancy diabetes, pre-eclampsia, hypertension), pregnancy weight gain, way of delivery (natural, cesarean section) and new-born birthweight | Medical Record | X | ||||