| Childcare (n = 60) | School (n = 91) | Afterschool program (n = 14) | Summer Camp (n = 4) | Physical activity/ Sports program (n = 18) | |||||
---|---|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | |
Global Region | ||||||||||
 North America | 42a | (70.0) | 35a | (38.4) | 13 | (92.9) | 4 | (100) | 12 | (66.7) |
 Europe | 10a | (16.6) | 40 | (43.9) | -- | -- | -- | -- | 4 | (22.2) |
 Oceania | 7a | (11.7) | 10 | (11.1) | 1 | (7.1) | - | - | 2 | (11.1) |
 South America | 1 | (1.7) | 1 | (1.1) | - | - | - | - | - | - |
 Asia | -- | -- | 5 | (5.5) | -- | -- | -- | -- | -- | -- |
 Africa | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
Study design | ||||||||||
 Cross-sectional | 46 | (76.7) | 60 | (65.9) | 10 | (71.5) | 4 | (100) | 17 | (94.4) |
 RCT | 11 | (18.3) | 11 | (12.1) | 2 | (14.3) | -- | -- | 1 | (5.6) |
 Longitudinal | 3 | (5.0) | 7 | (7.7) | 1 | (7.1) | -- | -- | -- | -- |
 Intervention | -- | -- | 8 | (8.8) | -- | -- | -- | -- | -- | -- |
 Quasi-experimental | -- | -- | 4 | (4.4) | 1 | (7.1) | -- | -- | -- | -- |
 Natural-experiment | -- | -- | 1 | (1.1) | -- | -- | -- | -- | -- | -- |
Sample size (n) | 14,763 | 42,463 | 12,021 | 3,330 | 2,293 | |||||
 < 30 | -- | -- | -- | -- | -- | -- | -- | -- | 1 | (5.6) |
 30 – 200 | 31 | (51.6) | 33 | (36.3) | 5 | (35.7) | 3 | (75.0) | 13 | (72.2) |
 201 – 350 | 15 | (25.0) | 19 | (20.9) | 2 | (14.3) | 0 | (0) | 3 | (16.6) |
 351 – 600 | 11 | (18.4) | 19 | (20.9) | 2 | (14.3) | 0 | (0) | 0 | (0) |
  > 600 | 3 | (5.0) | 20 | (21.9) | 5 | (35.7) | 1 | (25.0) | 1 | (5.6) |
Sex | Â | Â | Â | Â | Â | - | Â | Â | Â | Â |
 Boys | 7,765 | (52.6) | 18,514 | (43.6) | 5,998 | (49.9) | 1,825 | (54.8) | 1,321 | (57.6) |
 Girls | 6,998 | (47.4) | 23,949 | (56.4) | 6,023 | (50.1) | 1,505 | (45.2) | 972 | (42.4) |
Age (mean) | 4.2 | (0.7) | 10.1 | (2.1) | 8.3 | (1.3) | 8.8 | (1.4) | 11.6 | (2.0) |
Device brand | ||||||||||
 Actical | 14b | (23.0) | 2 | (2.1) | - | - | - | - | 1 | (5.6) |
 Actigraph | 42 | (68.9) | 80b | (83.5) | 14 | (100) | 4 | (100) | 16 | (88.8) |
 Actiheart | 1 | (1.6) | -- | -- | -- | -- | -- | -- | -- | -- |
 Actipal | 2b | (3.3) | 1b | (1.0) | -- | -- | -- | -- | -- | -- |
 Actitrainer | 1 | (1.6) | 5b | (5.3) | -- | -- | -- | -- | -- | -- |
 RT3 | 1 | (1.6) | 1 | (1.0) | -- | -- | -- | -- | -- | -- |
 SWM | -- | -- | 1 | (1.0) | -- | -- | -- | -- | -- | -- |
 NL-100 | -- | -- | 1 | (1.0) | -- | -- | -- | -- | -- | -- |
 HJA-3501T | -- | -- | 1 | (1.0) | -- | -- | -- | -- | -- | -- |
 Polar | -- | -- | 1 | (1.0) | -- | -- | -- | -- | 1 | (5.6) |
 Geneactiv | -- | -- | 2 | (2.1) | -- | -- | -- | -- | -- | -- |
 RT3 | 1 | (1.6) | 1 | (1.0) | -- | -- | -- | -- | -- | -- |
Cut-points c | ||||||||||
 Freedson | -- | -- | 8 | (8.5) | 3 | (15.8) | 2 | (25.0) | 8 | (40.0) |
 Trost | 1 | (1.6) | 5 | (5.3) | 1 | (5.3) | -- | -- | -- | -- |
 Evenson | 5 | (8.1) | 43 | (45.7) | 7 | (36.8) | 1 | (12.5) | 9 | (45.0 |
 Matthews | -- | -- | 4 | (4.3) | 4 | (21.1) | -- | -- | -- | -- |
 Pate | 17 | (27.4) | -- | -- | 1 | (5.3) | -- | -- | -- | -- |
 Pfeiffer | 11 | (17.7) | -- | -- | -- | -- | -- | -- | -- | -- |
 Puyau | 1 | (1.6) | 5 | (5.3) | 2 | (10.5) | 1 | (12.5) | 2 | (10.0) |
 Van Cauwenberghe | 7 | (11.3) | -- | -- | -- | -- | -- | -- | -- | -- |
 Treuth | -- | -- | 4 | (4.3) | -- | -- | 1 | (12.5) | 1 | (5.0) |
 Sirard | 14 | (22.6) | -- | -- | -- | -- | -- | -- | -- | -- |
 Troiano | -- | -- | 1 | (1.1) | -- | -- | 1 | (12.5) | -- | -- |
 Other | 6 | (9.7) | 24 | (25.5) | 1 | (5.3) | 2 | (25.0) | -- | -- |
Risk of bias (mean) | 19.1 | (1.7) | 18.1 | (2.3) | 20.5 | (1.7) | 18.6 | (1.6) | 19.7 | (1.4) |
Risk of bias | ||||||||||
 ≤ 18 | 20 | (33.3) | 45 | (49.4) | 2 | (14.3) | 8 | (13.3) | 1 | (25.0) |
 19 - 20 | 27 | (45.0) | 36 | (39.6) | 3 | (21.4) | 7 | (11.7) | 2 | (50.0) |
 ≥ 21 | 13 | (21.7) | 10 | (11.0) | 9 | (64.3) | 3 | (5.0) | 1 | (25.0) |