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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