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Table 2 Physical activity (PA) of study sample of school children in rural central Tanzania (N = 223)

From: Low leptin levels are associated with elevated physical activity among lean school children in rural Tanzania

Physical activity parametersa

Overall (N = 223)

Girls (n = 118)

Boys (n = 105)

Moderate-to-vigorous PA [min/day]

119.4 (94.7; 145.0)

105.9 (80.7; 128.7)

131.9 (113.7; 165.7)

Mean total counts/day

1,153,833 (1,012,454; 1,305,158)

1,130,590 (970,892; 1,242,844)

1,219,716 (1,078,160; 1,345,540)

Sedentary PA [min/day]

422.1 (380.1; 466.7)

428.4 (377.7; 461.0)

421.0 (393.0; 469.7)

Light PA [min/day]

315.1 (288.4; 342.6)

328.6 (301.9; 357.1)

302.3 (275.4; 328.3)

Moderate PA [min/day]

73.7 (60.7; 88.0)

68.9 (54.6; 83.7)

79.9 (66.3; 94.1)

Vigorous PA [min/day]

43.1 (27.4; 58.9)

34.0 (21.3; 46.1)

50.9 (39.3; 74.0)

Steps [day]

17,004 (14,736; 19,396)

15,946 (13,730; 17,705)

18,519 (16,438; 20,696)

Wear-time-week [days]

7.0 (7.0; 7.0)

7.0 (7.0; 7.0)

7.0 (7.0; 7.0)

Wear-time-day [min/day]

864.3 (832.3; 892.3)

861.5 (835.3; 887.1)

868. 9 (832.3; 899.6)

Adherence to WHO recommendations on MVPAb [%]

 Based on calculated average

93

87

99

 At least on 5 days

87

78

97

 Adherence to ≥ 16,500 steps/dayc,d [%]

57

42

73

Walking distance to school [%]

 ≤ 5 min

11.2

8.5

14.3

 > 5 to 15 min

27.4

27.1

27.6

 > 15 to 30 min

40.4

43.2

37.1

 > 30 to 60 min

15.7

14.4

17.1

 > 60 min

5.4

6.8

3.8

Type of activity [min/day]

 Screen time: TV and/or video games (n = 221)

0.0 (0.0; 12.9)

0.0 (0.0; 4.3)

0.0 (0.0; 17.1)

 Time spent reading/doing homework (n = 216)

4.3 (0.0; 17.1)

5.0 (0.0; 17.1)

4.3 (0.0; 17.1)

 Time spent playing outside (n = 220)

54.3 (27.9; 60.0)

42.9 (25.7; 60.0)

60.0 (34.3; 90.0)

 Time spent on household chores/farming (n = 222)

40.0 821.4; 60.0)

42.9 (22.9; 60.0)

34.3 (21.4; 68.6)

  1. Data presented as medians and interquartile ranges or frequencies;
  2. aCut-off points according to Romanzini et al. [37]
  3. bWHO [38]
  4. cCut-off point used as by Onywera et al. [6]
  5. dBased on calculated average, MVPA moderate-to-vigorous physical activity
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BMC Public Health

ISSN: 1471-2458

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