Table 1. Data availability per cohort.

	0–2 years			3–5 years					6–8 years					9–14 years					15–18 years
Name cohort	PA	Sed	Acc	PA	Sed	Acc	Asthma	LF	PA	Sed	Acc	Asthma	LF	PA	Sed	Acc	Asthma	LF	PA	Sed	Acc	Asthma	LF
ABCD	0	0	0	2769	2836	0	0	0	0	0	0	2872	0	0	0	0	0	0	0	0	0	0	0
ABIS	0	0	0	7202	7127	0	6960	0	3925	3947	0	3845	0	0	0	0	0	0	0	0	0	0	0
BAMSE	0	0	0	0	0	0	3104	0	0	0	0	3039	1685	2712	2668	0	3040	0	2750	2860	0	3043	1962
CHOP	0	0	0	0	0	0	0	0	515	502	432	558	0	523	497	434	573	0	0	0	0	0	0
COPSAC2000	0	0	0	0	143	236	272	0	0	31	40	272	259	0	0	0	272	0	0	0	0	272	0
DNBC	66 409	0	0	0	0	0	0	0	53 092	53 172	0	54 602	0	45 928	46 082	0	80 350	0	0	0	0	0	0
EDEN	753	734	0	608	629	0	100	876	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
G21	0	0	0	6975	5964	0	7125	0	5831	5831	0	5788	1605	0	0	0	0	0	0	0	0	0	0
Gen R	0	0	0	3919	4027	0	0	0	3787	4390	0	4401	0	0	0	0	4484	4583	0	0	0	0	0
GINIplus	0	0	0	0	0	0	0	0	3837	3848	0	3855	744	2695	3267	0	3300	626	2447	3047	0	3167	1822
HUMIS	0	694	0	686	685	0	681	0	292	369	0	371	0	0	0	0	0	0	0	0	0	0	0
INMA Asturias	0	0	0	340	340	0	0	0	0	0	0	340	0	0	0	0	0	0	0	0	0	0	0
INMA Gipuzkoa	0	0	0	351	351	0	0	284	0	0	0	351	331	0	0	0	0	0	0	0	0	0	0
INMA Menorca	0	0	0	0	0	0	471	0	470	471	0	463	0	425	425	0	425	395	288	286	0	287	269
INMA Sabadell	0	0	0	534	534	0	0	415	0	0	0	534	433	0	0	0	0	0	0	0	0	0	0
INMA Valencia	0	0	0	450	460	0	0	0	0	0	0	460	446	0	0	0	0	0	0	0	0	0	0
KOALA	2089	2181	0	1787	1835	301	2009	0	1889	1944	367	1971	519	0	0	0	1810	0	0	0	0	0	0
Lifeways	0	0	0	552	544	0	379	0	0	0	0	0	0	0	0	0	226	0	0	0	0	0	0
LISA	0	0	0	2409	2409	0	2346	0	2181	2185	0	2188	50	1429	1705	0	1756	111	1383	1661	0	1729	934
LRC	15	0	0	3671	3596	0	4937	0	4450	4381	0	4402	0	3244	3224	0	3635	499	0	0	0	659	0
LucKi	0	0	0	773	807	0	813	0	0	0	0	333	0	0	0	0	0	0	0	0	0	0	0
PIAMA	0	0	0	3439	3436	0	3506	0	3227	3229	0	3307	1055	2626	2629	0	2642	1292	2082	1995	0	1874	721
SEATON	0	0	0	0	0	0	199	0	0	0	0	0	0	212	0	0	206	147	0	0	0	156	126
STEPS Study	145	101	0	696	508	0	690	0	636	151	0	598	0	0	0	0	0	0	0	0	0	0	0
SWS	0	0	0	2542	2547	537	2547	0	0	0	0	1962	921	0	0	0	0	0	0	0	0	0	0
WHISTLER	0	0	0	599	0	0	580	579	46	0	0	15	20	0	0	0	0	0	0	0	0	0	0
Total cohorts	5	5	0	19	19	3	17	4	14	14	3	23	12	9	8	1	13	7	5	5	0	8	6
Total participants	69 411	3725	0	40 302	38 778	1074	37 495	2154	84 178	84 451	839	96 527	8068	59 794	60 497	434	102 719	7653	8950	9849	0	11 187	5834

Overview of data availability of participating cohorts. Numbers of observations for the different variables and age groups.

PA, physical activity; Sed, sedentary behaviour; Acc, accelerometry data; LF, lung function