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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