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Table 2 Selected characteristics of study population by center

From: Multi-center feasibility study evaluating recruitment, variability in risk factors and biomarkers for a diet and cancer cohort in India

Characteristic New Delhi Mumbai Trivandrum
Total (n = 3908)* n = 839* n = 768* n = 2,301*
Age distribution (years), %    
   Under 40 32 16 21
   40-49 31 31 33
   50-59 23 31 29
   Over 60 14 22 17
Male, % 46 48 50
Religion, %    
   Hindu 77 58 34
   Muslim 3 < 1 34
   Christian < 1 6 32
   Sikh 18 < 1 0
   Buddist 0 35 0
   Other 2 < 1 0
Urban 100 100 48
Household monthly income (Indian rupees), %   
   < 5,000 6 36 69
   5,000-10,000 18 45 27
   > 10,000 76 19 4
Highest education attained, %   
   Illiterate 6 7 3
   Literate, No formal education 6 1 1
   Primary school 7 6 13
   Middle school 15 24 28
   Secondary school 27 56 46
   Graduate/University 31 5 7
   Post-graduate 8 < 1 3
Married, % 94 81 93
Family members in household    
   (median, 10% and 90%) 5 (3, 6) 5 (3, 8) 4 (2, 6)
Ever smoked, %    
   Male 36 15 50
   Female 2 < 1 1
Ever other tobacco, %    
   Male 6 36 7
   Female 1 52 4
Types of cooking fuel used, %   
   Firewood 1 0 80
   Gas 100 96 78
   Kerosene < 1 39 23
Household items, %    
   Bicycle 28 6 27
   Cable 92 89 61
   Car 24 1 8
   Computer 18 11 8
   Hot water geyser 55 3 1
   Phone 95 87 73
   Refrigerator 87 78 54
   Scooter 63 15 36
   Indoor toilet 90 35 55
   Television 99 96 89
   Washing machine 78 34 12
  1. *3,908 participants had complete demographic and diet history questionnaire information
  2. Missing data excluded from estimates