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Table 1 Socio demographic, anthropometry and body composition characteristics of cases and controls N = 324

From: Micronutrient status and associated factors of adiposity in primary school children with normal and high body fat in Colombo municipal area, Sri Lanka

Characteristics Male Female
Cases
% BF > 28.6
N = 81
Controls
%BF ≤ 28.6
N = 80
p value Cases
%BF > 33.7
N = 79
Controls
%BF ≤ 33.7
N = 84
p value
Age in years 9.11 ± 0.323 9.21 ± 0.356 0.069a* 9.13 ± 0.266 9.11 ± 0.292 0.572a**
Education level of father N (%)
 Completed primary education 74 (91.4) 56 (70.0) 0.001a* 70 (88.6) 74 (88.1) 0.919a**
 Not completed 7 (8.6) 24 (30.0) 9 (11.4) 10 (11.9)  
Education level of mother N (%)
 Completed primary education 75 (92.6) 59 (73.8) 0.001a* 64 (81.0) 74 (88.1) 0.210a**
 Not completed 6 (7.4) 21 (26.2)   15 (19.0) 10 (11.9)  
Employment status of parents N (%)
 Both employed 18 (22.2) 8 (10.0) 0.035a* 31 (39.2) 21 (25.0) 0.051a**
 One parent employed 63 (77.8) 72 (90.0)   48 (60.8) 63 (75.0)  
Monthly income (LKR) N (%)
  ≥ 55,000.00 46 (56.8) 14 (17.5) < 0.001a* 27 (34.2) 14 (16.7) 0.01a**
  < 55,000.00 35 (43.2) 66 (82.5)   52 (65.8) 70 (83.3)  
Number of siblings N (%)
  ≤ 1 sibling 36 (44.4) 19 (23.8) 0.006a* 33 (41.8) 29 (34.5) 0.341a**
  > 1 siblings 45 (55.6) 61 (76.3)   46 (58.2) 55 (65.5)  
 Height (m) 1.36 ± 0.06 1.31 ± 0.07 < 0.001b* 1.34 ± 0.05 1.29 ± 0.06 < 0.001b**
 Weight (Kg) 39.46 ± 1.18 26.12 ± 1.22 < 0.001b* 37.90 ± 1.16 25.54 ± 1.19 < 0.001b**
 BMI (kg/m2) 20.80 (19.1,23.2) 14.64 (13.8,17) < 0.001c* 21.02 (19.2,22.3) 14.96 (13.7,16.3) < 0.001c**
BMI status N (%)
 Normal 5 (6.2) 70 (87.5) < 0.001a* 2 (2.5) 78 (92.9) < 0.001a**
 Overweight 51 (63.0) 10 (12.5)   57 (72.2) 6 (7.1)  
 Obese 25 (30.8) 0 (00.0)   20 (25.3) 0 (00.0)  
 %BF 35.8 (31.5,40.2) 16.26 (12.6,24.1) < 0.001c* 38.4 (35.5,42.2) 20.7 (15.5,27.1) < 0.001c**
 BF (Kg) 13.8 (10.9,17.3) 3.85 (2.8,7.3) < 0.001c* 14.6 (12.5,16.9) 4.95 (3.6,7.5) < 0.001c**
 WC (cm) 71.09 ± 1.08 55.37 ± 1.11 < 0.001b* 72.59 ± 1.12 54.82 ± 1.12 < 0.001b**
 WHtR 0.53 ± 1.11 0.42 ± 1.09 < 0.001b* 0.53 ± 1.08 0.43 ± 1.09 < 0.001b**
  1. BMI Body mass index, WC Waist circumference, WHtR Waist- to- height Ratio, BF Body fat
  2. Monthly income categories were based on the mean household expenditure per month in Sri Lanka-. Household income and expenditure survey- 2016. LKR-Lankan rupee (1USD = 133.80 LKR on the day of data collection, 55,000.00 LKR = 411.06 USD)
  3. *Differences between male cases and controls, **Differences between female cases and controls, aPearson chi-square value, bIndependent sample t-test compared mean ± SD, cMann –Whitney U test compared median (inter quartile range)-statistically significant at p < 0.05