The sleep and activity database for the early years (SADEY) study: design and methods

Table 1 Studies included in the SADEY 1.0 database

Study name	Location	Age group (years)	Design	24-hr wear protocol	N with at least 1 valid day^a (N1)	Total measured days (N1)	N with at least 3 valid days^a (N3)	Total measured days (N3)	N with reported sleep	BMI	WC	Blood pressure	Executive function	Psychosocial health	Gross motor skills
ACTNOW [34]	Norway	3–6	Longitudinal	x	1227	7823	1193	7766	1129	x	x		x	x	x
DAGIS [35]	Finland	3–6	Cross sectional	x	850	5663	837	5643	806	x	x
GET UP [36]	Australia	1–3	Longitudinal	x	292	1359	221	1260	224	x	x	x	x	x
HAPPY [37]	Australia	3–5	Longitudinal		903	5206	809	5062	940	x
Jump Start [38]	Australia	2–4	Longitudinal		433	2059	351	1932	0	x			x		x
PACE [39]	Canada	3–5	Cross sectional		92	583	90	580	97	x			x
PATH-ABC [40]	Australia	3–5	Longitudinal		282	1716	274	1702	332	x	x	x	x	x
PLAYCE [41]	Australia	2–5	Cross sectional		1746	9667	1528	9340	1558	x				x
PREPS [42]	Canada	1–3	Cross sectional		185	1016	163	988	251	x
Prestyle [43]	Portugal	3–5	Cross sectional		392	2291	368	2249	366	x	x	x
PROXDEV [44]	Canada	3–5	Cross sectional	x	107	682	103	676	107	x			x		x
The Movement´s Cool Project [45]	Brazil	3–5	Cross sectional		236	1240	207	1196	267	x	x		x		x
TOYBOX [46]	Belgium	3–5	Longitudinal		953	4732	912	4662	919	x	x
Total					7698	44,037	7056	43,056	6996

^a = defined as a day with at least 6 valid accelerometer daytime wear hours, BMI = Body Mass Index, WC = Waist Circumference

ISSN: 2731-4391