Table 3.

Contents of interviews and instruments of KiGGS Wave 2 to survey physical health

	Cross-sectional study			Cohort study
	0-2 years	3-10 years	11-17 years	10-17 years	18-29 years
Physical health
Participant provided information on height and weightA; Perception of own bodyB; Weight and height of parentsC; Weight and height of partnerD; Treatment received for diagnosed obesityE	A C	A B C	A B C	A B C E	A B D E
Size and weight at birth, gestational ageA; Birth by caesarean sectionB; Parameters of pubertal maturationC	A B	A B C (from 7)	A B C	B C	B
Subjective health (Minimal European Health Module, MEHM [45])A; Self-reported chronic disease (MEHM [45])B; Functional limitations caused by health problems (item from: Children with Special Health Care Needs (CSHCN) Screener [46])C; DisabilityD; Incapacity to workE; Visual and hearing impairmentF	A B C D F	A B C D F	A B C D F	A B C D	A B C D E
Questions concerning selected physician-diagnosed diseases/risk factors and their treatment (included in the medical interview or the questionnaire on diseases): hay fever, neurodermatitis, asthma, allergic contact dermatitis, heart disease, diabetes, epilepsy, obstructive bronchitis, migraineA; Disorders of lipid metabolism, hypertension, cancerB; Congenital malformationsC	A C	A C	A C	A B	A B
Asthma control (asthma control test [47])A; Self-management of asthma, (self-efficiency scale [48]B); In-depth aspects of asthma treatmentC				A B C	A B C
Familial predisposition (biological parents): AllergiesA; DiabetesB; Hypertension, angina pectoris, myocardial infarction, strokeC; CancerD	A	A	A	A B C D	A B C D
Accidents requiring medical treatmentA; Vaccine-preventable childhood diseasesB; Infectious diseasesC; Head and back acheD1; Other painD2; Reproductive healthE; Sleep duration and sleep disorders (from 18 years of age, adapted from [49])F; Major Health EventsG	A B C F	A B C D1 D2 F	A B C D1 D2 F	A B D1 F G	A B D1 E F G

The questions were developed at the RKI unless stated otherwise.