Table A1.

Online database search strategy.

#	Medline Search: Inception—November 2020
1	exp Exercise/
2	physical inactivity.mp.
3	physical activit*.mp.
4	Motor Activity/
5	(physical education and training).mp.
6	“Physical Education and Training”/
7	sedentary.mp.
8	sport*.mp.
9	exp Life Style/
10	Physical Fitness/
11	exp Leisure Activities/
12	Dancing/
13	(dance* or dancing).mp.
14	(exercise* adj2 aerobic*).mp.
15	((life style or lifestyle) adj5 activ*).mp.
16	1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15
17	Child, Preschool/
18	Child Day Care Centers/
19	(childcare* or child care*).mp.
20	(daycare* or day care*).mp.
21	early child*.mp.
22	Kinder*.mp.
23	(nursery or nurseries).mp.
24	(pre-school* or preschool*).mp.
25	17 or 18 or 19 or 21 or 22 or 23 or 24
26	16 and 25
27	MEDLINE.tw.
28	systematic review.tw.
29	meta-analysis.pt.
30	intervention$.ti.
31	or/27–30
32	26 and 31