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Table 2 Health risk factors and private health insurance status, adjusted for sociodemographic factors

From: Health, ageing and private health insurance: baseline results from the 45 and Up Study cohort

  Private health insurance
Lifestyle factors N % column % PHI RR crude* RR adjusted+
BMI categories      
   Underweight 3,903 4.0 61.1 0.91 (0.89, 0.94) 0.97 (0.95, 0.99)
   Healthy weight§ 31,256 31.9 67.0 1 1
   Overweight 36,027 36.8 67.4 1.01 (1.00, 1.02) 1.02 (1.01, 1.03)
   Obese 19,619 20.1 61.0 0.91 (0.90, 0.92) 0.97 (0.96, 0.99)
Smoking status      
   Never§ 55,522 56.7 69.7 1 1
   Past 34,989 35.8 62.8 0.90 (0.89, 0.91) 0.94 (0.93, 0.94)
   Current 7,319 7.5 41.4 0.59 (0.58, 0.61) 0.71 (0.70, 0.73)
Alcohol consumption (drinks/week)     
   Zero§ 31,098 31.8 55.4 1 1
   1 to 6 28,339 29.0 70.2 1.27 (1.25, 1.28) 1.11 (1.10, 1.12)
   7 to 13 17,992 18.4 72.7 1.31 (1.29, 1.33) 1.12 (1.10, 1.13)
   14 to 20 10,732 11.0 72.5 1.31 (1.29, 1.33) 1.11 (1.10, 1.13)
   21 and over 7,642 7.8 63.0 1.14 (1.12, 1.16) 1.03 (1.01, 1.05)
Physical activity (sessions/week)      
   Zero§ 4,047 4.1 52.7 1 1
   1 to 6 24,557 25.1 65.0 1.23 (1.20, 1.27) 1.09 (1.06, 1.12)
   7 to 10 24,526 25.1 65.8 1.25 (1.21, 1.29) 1.08 (1.05, 1.11)
   11 to 15 20,030 20.5 68.0 1.29 (1.25, 1.33) 1.10 (1.07, 1.13)
   16 and over 22,810 23.3 65.8 1.25 (1.21, 1.29) 1.07 (1.04, 1.10)
Vegetable intake (serves/day)      
   Zero§ 1,994 2.0 47.8 1 1
   >0 to 1 9,576 9.8 58.4 1.22 (1.16, 1.28) 1.08 (1.04, 1.13)
   2 to 3 40,085 41.0 66.2 1.38 (1.32, 1.45) 1.14 (1.10, 1.19)
   4 to 5 24,065 24.6 68.5 1.43 (1.37, 1.50) 1.17 (1.12, 1.22)
   6 and over 20,035 20.5 65.0 1.36 (1.30, 1.42) 1.17 (1.12, 1.22)
Fruit intake (serves/day)      
   Zero§ 6,225 6.4 50.7 1 1
   >0 to 1 19,018 19.4 62.5 1.23 (1.20, 1.26) 1.12 (1.09, 1.15)
   2 to 3 53,961 55.2 67.4 1.33 (1.30, 1.36) 1.17 (1.15, 1.20)
   4 and over 16,362 16.7 67.7 1.34 (1.30, 1.37) 1.19 (1.16, 1.22)
  1. * Relative risk of having any private health insurance
  2. + Adjusted for age, sex, remoteness, income, education, aborginality, relationship status and country of birth
  3. BMI categories: Underweight (BMI<20), Normal weight (BMI 20-<25), Overweight (BMI 25-<30), Obese (BMI 30+)
  4. § Reference category
  5. Percentages do not consistently total to 100% due to missing values