Table 2

Health outcomes harmonised across the entire cohort between birth and 5 years of age

Health/development outcomes	Methods	BiB	EDEN	INMA	KANC	MoBa	RHEA	Total number of subjects in the harmonised dataset
Birth
Birth weight	Measurements	√	√	√	√	√	√	31 472
Gestational duration	Medical records/ultrasound	√	√	√	√	√	√	31 472
0–5 years
Repeated weight, height, BMI	Measurements and records	√	√	√	√	√	√	28 305
Waist circumference	Measurements
1–2 years		√	√	√			√	4598
4–5 years		√	√	√			√	4275
Skinfolds	Measurements
1–2 years		√	√				√	3364
4–5 years		√	√				√	2774
Blood pressure (4–5 years)	Measurements	√	√	√			√	5182
Cognition	Psychologist-administered tests and parental questionnaires		√	√			√	3470
Motor skills, language	Psychologist-administered tests and parental questionnaires	√	√	√		√	√	10 245
Behaviour	Questionnaires	√	√	√	√	√	√	12 644
Asthma, wheeze	Questionnaires	√	√	√	√	√	√	12 068
Lung function (4–5 years)	Spirometry	√	√	√			√	2719

BiB, Born in Bradford; BMI, body mass index; EDEN, Étude des Déterminants pré et postnatals du développement et de la santé de l’Enfant; INMA, INfancia y Medio Ambiente; KANC, Kaunus cohort; MoBa, Norwegian Mother and Child Cohort Study.