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Table 1 Sociodemographic characteristics of study children

From: Poor nutritional status of schoolchildren in urban and peri-urban areas of Ouagadougou (Burkina Faso)

  Total sample (N = 649)   Sub-sample (N = 173)  
Sociodemographics Boys (%) Girls (%) Total (%) p** Boys (%) Girls (%) Total p**
School type         
Public 219 (47.9) 238 (52.1) 457 (70.4)   60 (49.6) 61 (50.4) 121 (69.9)  
     0.808     0.518
Private 90 (46.9) 102 (53.1) 192 (29.6)   23 (44.2) 29 (55.8) 52 (30.1)  
School location         
Urban area 259 (47.7) 284 (52.3) 543 (83.7)   69 (47.6) 76 (52.4) 145 (83.8)  
     0.921     0.815
Peri-urban area 50 (47.2) 56 (52.8) 106 (16.3)   14 (50.0) 14 (50.0) 28 (16.2)  
Age (years)         
Mean++ 11.5 ± 1.2 11.5 ± 1.2 11.5 ± 1.2 0.780* 11.6 ± 1.3 11.6 ± 1.3 11.6 ± 1.3 0.919*
7-9 31 (49.2) 32 (50.8) 63 (9.7)   10 (58.8) 7 (41.2) 17 (9.8)  
10-12 241 (47.5) 266 (52.5) 507 (78.1) 0.959 59 (46.5) 68 (53.5) 127 (73.4) 0.631
13-14 37 (46.8) 42 (53.2) 79 (12.2)   14 (48.3) 15 (51.7) 29 (16.8)  
Total 309 (47.6) 340 (52.4) 649 (100)   83 (48.0) 90 (52.0) 173 (100)  
  1. ++ Mean age ± SD
  2. * Independent t-test
  3. ** χ2 test
  4. 208 children (half boys) were randomly selected to assess vitamin A status. Because of the impact of puberty and age on body measurements, we excluded subjects older than 14 years and those whose date of birth was not known. Then 173 subjects in the sub-sample with complete data were retained for the analyses.