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Table 1 Socio-demographic characteristics of sample by BMI category and WHR category

From: Body mass index, waist-hip ratio and risk of chronic medical condition in the elderly population: results from the Well-being of the Singapore Elderly (WiSE) Study

Variable Category Sample BMI Category % Waist-Hip Ratio %
   Unweighted N (N = 2565) Unadjusteda % Adjustedb % Underweight (n = 146) Normal weight (n = 1061) Overweight (n = 759) Obese (n = 319) Low WHR (n = 401) High WHR (n = 1926)
Age Group (in years) 60–74 1494 58.2 75 3.7 51.2 35.5 9.5 20.6 79.4
  75–84 669 26.1 19.5 10.2 56.2 27.1 6.4 19.1 80.9
  85+ 402 15.7 5.5 17.3 59.9 19.8 2.9 16.5 83.5
Ethnicity Chinese 1012 39.5 83.3 5.7 55.4 32.7 6.2 21.1 78.9
  Malay 745 29 9.3 5.5 36.3 37.4 20.3 16.3 83.7
  Indian 772 30.1 6 3.2 39.9 35.8 21.1 13 86.9
  Others 36 1.4 1.4 2.9 33.5 38.9 24.7 19.2 80.8
Gender Men 1117 43.5 44.1 5.4 54.1 34.1 6.4 20.9 79.01
  Women 1448 56.5 55.9 5.5 51.2 32.8 10.5 19.5 80.5
Marital Status Never Married 136 5.3 8 5.6 63.2 23.6 7.6 25.9 74.1
  Married/Cohabiting 1484 57.9 64 4.6 50.9 35.6 8.9 19.4 80.6
  Widowed 836 32.6 22.5 8.4 51.7 31.3 8.6 18.7 81.3
  Divorced/Separated 107 4.2 5.5 2.8 59.5 29.2 8.1 25.5 74.5
Education None 511 20 16.5 8.2 48.6 34.1 9.03 17.1 82.9
  Some, but did not complete primary 620 24.3 23.9 6.6 50.9 34.2 8.3 16.1 83.9
  Completed primary 640 25.1 24.8 5.7 53.8 31.04 9.4 21.3 78.7
  Completed secondary 517 20.3 22.4 4.3 51.1 35.1 9.5 19.8 80.2
  Completed tertiary 262 10.3 12.4 1.9 60.2 31.9 6.03 30.3 69.7
Employment Status Paid work (part-time and full-time) 688 27.2 33.9 3.2 55.6 34.1 7.1 24.02 75.9
  Unemployed 32 1.3 1.5 2.5 57.8 36.8 3.02 29.03 70.9
  Homemaker 808 31.9 26.3 5.9 45.5 35.8 12.7 14.5 85.5
  Retired 1006 39.7 38.3 7.3 54.3 30.7 7.7 20.1 79.9
  1. a Adjusted figures refer to weighted estimates after adjusting for survey weights to ensure that the survey findings were representative of the Singapore elderly population in 2011.
  2. b Unadjusted figures refer to estimates from the sample without adjustment for survey weights.