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Table 2 Physical activity parameters as measured using accelerometry during awake time*– mean ± SD

From: A mixed ecologic-cohort comparison of physical activity & weight among young adults from five populations of African origin

 

Ghana

South Africa

Jamaica

Seychelles

United States

 

Men

# Individuals with Valid Data†

182

230

223

214

229

Mean Wear Time (hr/d)

15.9 ± 0.6

16.5 ± 0.7

15.5 ± 1.0

14.5 ± 1.3

15.7 ± 0.9

Mean Activity Counts (cpm)

244.8 ± 89.9

253.5 ± 141.4

182.1 ± 93.2

236.5 ± 114.9

200.4 ± 137.6

Sedentary Time (min/d in 1-min bouts)

197.8 ± 43.7

207.3 ± 45.7

224.8 ± 54.7

196.6 ± 52.0

205.5 ± 44.6

Moderate Activity (min/d in 1-min bouts)

44.1 ± 22.8

46.8 ± 27.3

27.0 ± 20.8

31.0 ± 20.1

28.5 ± 28.7

Vigorous Activity (min/d in 1-min bouts)

2.8 ± 3.9

8.7 ± 15.4

2.7 ± 5.5

4.9 ± 7.9

4.5 ± 10.3

MVPA* (min/d in 1-min bouts)

46.9 ± 24.6

55.5 ± 34.6

29.6 ± 23.3

35.9 ± 24.3

33.1 ± 34.7

≥ 30 min/d in 1-min bouts (%)

70.9

76.1

39.5

55.1

38.0

Sedentary Time (min/d in 10-min bouts)

49.7 ± 37.5

48.91 ± 32.7

70.9 ± 48.8

62.5 ± 45.1

48.4 ± 31.2

Moderate Activity (min/d in 10-min bouts)

18.2 ± 14.6

21.3 ± 20.7

9.0 ± 13.3

10.4 ± 11.8

13.8 ± 22.1

Vigorous Activity (min/d in 10-min bouts)

1.0 ± 2.3

4.8 ± 13.8

1.1 ± 3.9

2.1 ± 5.6

2.5 ± 8.5

MVPA (min/d in 10-min bouts)

21.9 ± 16.7

31.6 ± 28.7

12.4 ± 16.3

16.4 ± 16.8

19.5 ± 29.9

≥ 30 min/d in 10-min bouts (%)

30.2

42.6

11.7

19.6

20.5

 

Women

# Individuals with Valid Data

269

264

234

238

242

Mean Wear Time (hr/d)

15.9 ± 0.7

16.6 ± 0.6

15.6 ± 0.9

14.4 ± 1.4

15.6 ± 1.0

Mean Activity Counts (cpm)

183.0 ± 66.8

138.3 ± 61.5

143.1 ± 61.5

170.3 ± 70.5

136.2 ± 76.0

Sedentary Time (min/d in 1-min bouts)

193.3 ± 38.4

220.2 ± 44.1

208.4 ± 43.5

185.7 ± 48.1

205.3 ± 46.8

Moderate Activity (min/d in 1-min bouts)

25.5 ± 16.3

21.1 ± 15.1

19.0 ± 14.7

22.0 ± 13.9

13.9 ± 16.1

Vigorous Activity (min/d in 1-min bouts)

0.4 ± 0.9

0.9 ± 2.4

0.5 ± 2.0

0.9 ± 2.1

1.3 ± 3.2

MVPA* (min/d in 1-min bouts)

25.9 ± 16.7

22.0 ± 16.3

19.5 ± 15.3

22.9 ± 14.7

15.1 ± 17.7

≥ 30 min/d in 1-min bouts (%)

35.3

23.9

23.1

27.3

14.5

Sedentary Time (min/d in 10-min bouts)

43.4 ± 26.2

58.3 ± 36.2

53.2 ± 32.6

50.6 ± 35.9

46.3 ± 31.3

Moderate Activity (min/d in 10-min bouts)

10.1 ± 10.3

9.3 ± 10.0

7.1 ± 8.0

9.2 ± 9.2

5.0 ± 11.5

Vigorous Activity (min/d in 10-min bouts)

0.1 ± 0.5

0.3 ± 1.4

0.2 ± 1.5

0.2 ± 1.2

0.7 ± 2.5

MVPA (min/d in 10-min bouts)

10.5 ± 10.6

10.2 ± 11.3

7.7 ± 8.9

10.3 ± 10.2

6.6 ± 13.3

≥ 30 min/d in 10-min bouts (%)

7.1

5.7

2.1

5.9

5.4

  1. *Moderate plus vigorous activity.
  2. †# Individuals with Valid Data: At least 4 days with 10+ hours of wear.