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Table 1 Socio-demographic characteristics and physical activity level of all participants and according to body mass status

From: Environmental factors associated with overweight among adults in Nigeria

Characteristics Total Sample Normal weight Overweight/Obese  
  N = 1818 N = 1255 (69.0%) N = 563 (31.0%) p
  Mean (± SD) Mean (± SD) Mean (± SD)  
Age (years) 32.3 ± 10.0 31.1 ± 9.9 35.4 ± 9.9 < 0.001†
Height (m) 1.67 ± 0.07 1.67 ± 0.1 1.66 ± 0.1 0.070†
Weight (kg) 66.7 ± 11.7 61.3 ± 7.1 78.7 ± 10.9 < 0.001†
BMI (Kgm -2 ) 24.0 ± 4.0 21.8 ± 1.8 28.8 ± 3.4 < 0.001†
  N % N % N %  
BMI Prevalence        < 0.001††
Normal weight 1255 69.0 1255 100 0.0 0.0  
Overweight 415 22.8 0 0.0 415 73.7  
Obese 148 8.1 0 0.0 148 26.3  
Gender        
Female 725 39.9 480 38.3 245 43.4 0.047†
Male 1093 60.1 774 61.7 319 56.6  
Marital Status        
Married 1044 57.4 665 53.1 428 75.9 < 0.001††
Single 774 42.6 589 47.0 136 24.1  
Ethnic group        
Hausa/Fulani 534 29.4 376 30.0 158 28.0 < 0.001††
Kanui/Shuwa 619 34.0 485 38.7 134 23.8  
Others 665 36.6 429 31.3 272 48.2  
Educational level        
> Secondary School 533 29.3 325 25.9 208 36.9 < 0.001††
Secondary School 736 40.5 522 41.6 214 37.9  
< Secondary School 549 30.2 407 32.5 142 25.2  
Employment status        
Employed 1077 59.2 726 57.9 351 62.2 0.043††
Unemployed 741 40.8 528 42.1 213 37.7  
Monthly Income (Naira)*       
< 15 000 607 36.1 454 38.7 153 30.1 < 0.001††
16 000- 45 000 650 38.6 466 39.7 184 36.1  
46 000- 90 000 247 14.7 159 13.5 88 17.3  
> 90 000 179 10.6 95 8.1 84 16.5  
  1. SD- Standard Deviation
  2. BMI- Body Mass Index
  3. *- Do not add to 1818 due to missing values
  4. † - p-values based on independent t-test statistic;
  5. †† - p value based on Chi-Square statistic