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Table 3 Participants’ unadjusted waking hours average weighted week accelerometer data, grouped by sex and age (Mean (SD), unless stated otherwise)

From: Reference values for wrist-worn accelerometer physical activity metrics in England children and adolescents

 

Boys

Girls

 

Y1&2

Y4&5

Y6&7

Y8&9

Y1&2

Y4&5

Y6&7

Y8&9

n

82

201

163

64

95

253

155

237

Valid days (n)

5.1 (0.5)

6.4 (0.7)

6.2 (0.7)

6.1 (0.6)

5.1 (0.4)

6.4 (0.7)

6.3 (0.6)

6.6 (0.7)

Wear (h‧d−1)

13.6 (0.8)

13.9 (0.8)

14.3 (0.8)

14.5 (0.8)

13.6 (0.6)

13.9 (0.8)

14.4 (0.7)

14.6 (0.8)

Average acceleration (mg)

75.9 (19.8)

73.4 (21.5)

74.0 (25.5)

59.2 (27.1)

65.1 (13.6)

62.1 (17.3)

64.3 (17.1)

43.6 (12.2)

Intensity gradient

-2.07 (0.12)

-2.04 (0.12)

-2.07 (0.14)

-2.20 (0.18)

-2.15 (0.11)

-2.14 (0.12)

-2.16 (0.14)

-2.38 (0.17)

M2 (mg)

1949.1 (423.2)

2088.8 (530.2)

2018.1 (607.1)

1445.1 (662.5)

1552.5 (345.3)

1664.3 (439.7)

1661.0 (519.4)

899.8 (392.0)

M5 (mg)

1386.2 (319.0)

1425.1 (428.6)

1377.5 (481.8)

936.7 (520.9)

1081.3 (262.7)

1096.1 (328.6)

1095.6 (369.8)

593.5 (277.1)

M10 (mg)

963.7 (240.8)

960.4 (323.5)

937.9 (362.6)

634.4 (381.6)

744.4 (188.9)

723.6 (230.9)

733.3 (249.0)

417.1 (210.3)

M15 (mg)

737.01 (198.3)

726.5 (258.9)

716.1 (289.0)

501.0 (325.1)

570.8 (142.5)

547.3 (175.0)

560.9 (183.4)

341.1 (191.0)

M20 (mg)

593.0 (165.7)

583.4 (213.4)

580.6 (237.9)

421.2 (283.1)

463.9 (111.5)

444.8 (139.2)

458.5 (143.0)

291.6 (165.7)

M30 (mg)

423.4 (121.1)

417.1 (146.4)

423.6 (170.2)

324.1 (205.1)

339.6 (73.8)

329.7 (97.1)

343.0 (97.9)

236.3 (149.7)

M45 (mg)

287.4 (82.9)

295.0 (95.9)

303.4 (112.4)

246.3 (128.9)

246.9 (47.9)

244.2 (66.7)

256.3 (66.3)

183.84 (45.8)

M60 (mg)

230.8 (61.4)

230.2 (69.0)

238.3 (82.0)

204.6 (109.4)

196.7 (35.8)

196.9 (51.5)

207.8 (50.5)

154.9 (33.4)

M120 (mg)

122.1 (30.5)

121.5 (31.7)

129.07 (40.9)

112.9 (33.0

108.8 (19.6)

110.6 (28.7)

119.5 (27.7)

93.8 (21.9)

M240 (mg)

52.9 (13.7)

51.7 (14.3)

57.4 (19.9)

49.7 (17.6)

48.6 (10.7)

49.3 (15.1)

54.2 (14.7)

41.6 (12.0)

M360 (mg)

41.8 (10.9)

38.6 (10.8)

41.1 (14.5)

33.5 (12.6)

38.8 (8.9)

37.2 (11.95)

38.7 (10.9)

28.3 (8.6)

M480 (mg)

26.8 (6.8)

26.3 (7.4)

29.6 (10.4)

24.8 (9.1)

25.7 (6.1)

25.7 (8.5)

27.6 (7.9)

21.4 (6.7)

M600 (mg)

14.8 (4.0)

14.4 (4.5)

16.5 (6.1)

13.6 (5.2)

14.5 (4.1)

14.2 (5.4)

15.1 (4.7)

12.0 (4.3)

M720 (mg)

7.0 (2.7)

7.0 (3.0)

8.7 (3.9)

7.3 (3.4)

7.1 (2.7)

7.0 (3.5)

7.8 (3.0)

6.2 (2.8)

MVPA (min‧d−1)

67.1 (21.1)

65.8 (22.1)

68.2 (27.7)

53.9 (27.2)

56.5 (15.0)

55.2 (20.3)

59.8 (20.8)

36.5 (15.0)

  1. Notes. Accelerometer outcomes calculated using the ENMO metric; MX metrics = minimum acceleration for the most active accumulated X minutes; MVPA = Moderate-to-vigorous physical activity