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Table 1 Overview of measurements and used methods

From: Body weight, body composition and energy balance related behaviour during the transition to parenthood: study protocol of a multi-centre observational follow-up study (TRANSPARENTS)

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   
  1. IPAQ International Physical Activity Questionnaire, FFQ Food Frequency Questionnaire, EPDS Edinburgh Postnatal Depression Scale, GMDP Gotland Male Depression Scale, PUQE Pregnancy-Unique Quantification of Emesis/Nausea