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Table 1 Baseline demographic and behavioural characteristics of the participants by area

From: Prevalence of coronary artery disease and its risk factors in Kerala, South India: a community-based cross-sectional study

Variable   Urban Rural Total  
(N = 2248) (N = 2919) (N = 5167)
n (%) n (%) n (%) P value
Age         
  20–29 111 4.94 225 7.71 336 6.50 <0.001
30–39 345 15.35 543 18.60 888 17.19  
40–49 507 22.55 692 23.71 1199 23.20  
50–59 493 21.93 531 18.19 1024 19.82  
60–69 566 25.18 650 22.27 1216 23.53  
70–79 226 10.05 278 9.52 504 9.75  
Sex         
  Men 971 43.19 1101 37.72 2072 40.10 <0.001
Women 1277 56.81 1818 62.28 3095 59.90  
Socio-economic status         
  Low 630 28.02 1303 44.64 1933 37.41 <0.001
Middle 792 35.23 743 25.45 1535 29.71  
High 826 36.74 873 29.91 1699 32.88  
Educational status         
  No formal education 87 3.87 203 6.95 290 5.61 <0.001
1–4 years 208 9.25 437 14.97 645 12.48  
5–10 years 1294 57.56 1729 59.23 3023 58.51  
>10 years 659 29.31 550 18.84 1209 23.40  
Smokinga         
  Never 523 55.52 443 44.04 966 49.59 <0.001
Past 111 11.78 220 21.87 331 16.99  
Current 308 32.70 343 34.10 651 33.42  
Physical activity         
  Sedentary 1770 78.74 2328 79.75 4098 79.31 0.371
Non-sedentary 478 21.26 591 20.25 1069 20.69  
Dietary habits         
  Vegetarian 161 7.16 110 3.77 271 5.24 <0.001
Non-vegetarian 2087 92.84 2809 96.23 4896 94.76  
BMI         
  Low 111 4.95 244 8.37 355 6.88 <0.001
Normal 685 30.53 1042 35.76 1727 33.48  
Overweight 450 20.05 527 18.09 977 18.94  
Obese 998 44.47 1101 37.78 2099 40.69  
Abdominal Obesity         
  Yes 1394 62.20 1709 58.67 3103 60.21 <0.001
No 847 37.80 1204 41.33 2051 39.79  
  1. a Smoking in men only