Table 2 Descriptive characteristics of participating children
| Â | Mean (SD) or n(%) |
|---|---|
Individual Factors | Â |
 Sex |  |
   Boys | 262 (46.5%) |
   Girls | 301 (53.5%) |
 Waist Circumference (cm) |  |
   1st tertile (range: 47.85 – 58.30) | 55.5 (1.9) |
   2nd tertile (range: 58.35 – 62.95) | 60.5 (1.4) |
   3rd tertile (range: 63.00 – 108.10) | 70.8 (7.9) |
 Mid Upper Arm Circumference (cm) |  |
   1st tertile (range: 14.65 – 18.80) | 17.4 (0.9) |
   2nd tertile (range: 18.85 – 21.20) | 19.9 (0.7) |
   3rd tertile (range: 21.25 – 36.15) | 24.5 (3.1) |
 BMI Categories (WHO Cut-Points) |  |
   Underweight | 21 (3.7%) |
   Healthy weight | 425 (75.5%) |
   Overweight | 81 (14.4%) |
   Obese | 36 (6.4%) |
 Transport to School |  |
   Active (Walking, bicycle, roller blade, skate board) | 245 (45.7%) |
   Motorised (Bus, van, car) | 291 (54.3%) |
 Mean (minutes) in Various Activity Intensities |  |
   Daily minutes of Sedentary | 397.8 (71.5) |
   Weekday minutes of Sedentary | 419.5 (82.7) |
   Weekend day minutes of Sedentary | 349.4 (94.9) |
   Daily minutes of Light | 463.1 (69.8) |
   Daily minutes of Moderate | 31.5 (20.2) |
   Daily minutes of Vigorous | 4.0 (4.3) |
   Daily minutes of MVPA | 35.4 (23.2) |
   Weekday minutes of MVPA | 36.1 (24.2) |
   Weekend day minutes of MVPA | 34.2 (28.7) |
 Met MVPA Guidelines (Mean of ≥ 60 minutes of daily MVPA) | 71 (12.6%) |
 Mean (minutes) of Sleep Duration | 516.4 (55.0) |
Parental Factors | Â |
 Maternal Education Level |  |
   Primary or less | 91 (16.3%) |
   High school or less | 163 (29.2%) |
   Diploma/Higher Diploma/Degree | 237 (42.5%) |
   Graduate/Professional Degree | 67 (12.0%) |
 Paternal Education Level |  |
   Primary or less | 43 (8.4%) |
   High school or less | 159 (31.1%) |
   Diploma/Higher Diploma/Degree | 197 (38.6%) |
   Graduate/Professional Degree | 112 (21.9%) |
 Maternal BMI (kg/m 2 ) |  |
   Underweight (<18.50) | 157 (27.9%) |
   Healthy weight (18.50 – 24.99) | 128 (22.7%) |
   Overweight (25.00 – 29.99) | 135 (24.0%) |
   Obese (≥30.0) | 143 (25.4%) |
 Paternal BMI (kg/m 2 ) |  |
   Underweight (<18.50) | 206 (36.6%) |
   Healthy weight (18.50 – 24.99) | 142 (25.2%) |
   Overweight (25.00 – 29.99) | 149 (26.5%) |
   Obese (≥30.0) | 66 (11.7%) |
Household Environment Factors | Â |
 Total Annual Household Income (Kshs) |  |
   Low SES (<466,728) | 264 (48.6%) |
   Mid SES (466,728 – 1,799,999) | 177 (32.6%) |
   High SES (>1,800,000) | 102 (18.8%) |
Neighbourhood Environment Factors | Â |
   Trust (People in my neighbourhood can be trusted) -% that somewhat agree/strongly agree | 301 (54.5%) |
   Getting Around (There are shops/stores/markets and place to buy things that I need within easy walking distance) -% that somewhat agree/strongly agree | 467 (85.2%) |
   High crime rate -% that somewhat agree/strongly agree | 232 (42.5%) |
School Environment Factors | Â |
 Participation by Type of School |  |
   Public | 295 (52.4%) |
   Private | 268 (47.6%) |
 Participants in schools with written policies (underdevelopment or existing) or practices on Physical Activity | 529 (94.0%) |
 Participants in schools with written policies (underdevelopment or existing) or practices on Healthy Eating | 475 (84.4%) |