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Table 1 Sociodemographic factors and private health insurance status

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

  Private health insurance
Demographics N % column % PHI RR crude* RR adjusted
Sex      
   Male 45,958 47.0 65.4 1 1
   Female 51,881 53.0 64.9 0.99 (0.98, 1.00) 1.06 (1.05, 1.07)
Age      
   45 – 49 12,372 12.6 66.7 1 1
   50 – 54 16,083 16.4 69.0 1.03 (1.02, 1.05) 1.06 (1.04, 1.07)
   55 – 59 17,172 17.6 70.0 1.05 (1.03, 1.07) 1.14 (1.12, 1.16)
   60 – 64 15,100 15.4 68.7 1.03 (1.01, 1.05) 1.22 (1.20, 1.24)
   65 – 69 12,539 12.8 63.8 0.96 (0.94, 0.97) 1.25 (1.23, 1.27)
   70 – 74 9,133 9.3 57.8 0.87 (0.85, 0.88) 1.23 (1.21, 1.25)
   75 – 79 6,726 6.9 56.7 0.85 (0.83, 0.87) 1.26 (1.23, 1.28)
   80 – 84 6,116 6.3 57.4 0.86 (0.84, 0.88) 1.27 (1.24, 1.30)
   85+ 2,598 2.7 53.3 0.80 (0.77, 0.83) 1.29 (1.24, 1.33)
Card possession      
   No 69,337 70.9 78.0 1 1
   Yes – Health care card 28,502 29.1 33.8 0.43 (0.43, 0.44) 0.52 (0.51, 1.53)
Remoteness (ARIA+)      
   Major city 42,279 43.2 71.7 1 1
   Inner regional 35,317 36.1 62.5 0.87 (0.86, 0.88) 0.90 (0.89, 0.91)
   Outer regional 18,121 18.5 55.8 0.78 (0.77, 0.79) 0.83 (0.82, 0.84)
   Remote/very remote 2,001 2.0 58.5 0.82 (0.79, 0.85) 0.90 (0.87, 0.93)
Pre-tax household income (AUD)      
   0 to <20,000 19,314 19.7 34.9 1 1
   20,000 to 49,999 24,566 25.1 63.6 1.82 (1.78, 1.86) 1.69 (1.66, 1.73)
   50,000 to 69,999 10,262 10.5 77.3 2.22 (2.17, 2.26) 2.02 (1.98, 2.07)
   ≥ 70,000 22,112 22.6 90.0 2.58 (2.53, 2.63) 2.25 (2.20, 2.30)
   Did not disclose 16,469 16.8 66.7 1.91 (1.87, 1.95) 1.78 (1.74, 1.82)
Highest educational qualification      
   None 11,569 11.8 38.8 1 1
   Trade 10,833 11.1 55.8 1.44 (1.40, 1.48) 1.31 (1.27, 1.34)
   School certificate 21,364 21.8 59.9 1.55 (1.51, 1.59) 1.38 (1.34, 1.41)
   HSC 9,375 9.6 66.0 1.70 (1.66, 1.75) 1.48 (1.44, 1.52)
   Certificate/diploma 20,343 20.8 71.6 1.85 (1.80, 1.89) 1.53 (1.49, 1.57)
   University 22,648 23.1 83.0 2.14 (2.09, 2.19) 1.62 (1.58, 1.66)
Aboriginality      
   Non Aboriginal 95,124 97.2 65.7 1 1
   Aboriginal/TSI 803 0.8 34.4 0.52 (0.48, 0.58) 0.63 (0.58, 0.68)
Relationship status      
   No partner 23,297 23.8 50.0 1 1
   Partner 74,290 75.9 69.9 1.40 (1.38, 1.42) 1.21 (1.19, 1.22)
Work status      
   In paid work 46,123 47.1 74.3 1 1
   Retired 40,628 41.5 59.8 0.80 (0.80, 0.81) 1.21 (1.19, 1.23)
   Other 10,387 10.6 46.8 0.63 (0.62, 0.64) 1.06 (0.96, 1.18)
Country of birth      
   Australia 72,790 74.4 67.3 1 1
   Other 24,121 24.7 59.1 0.88 (0.87, 0.89) 0.86 (0.85, 0.86)
  1. Adjusted, where appropriate, for age, sex, remoteness, income, education, aborginality, relationship status and country of birth
  2. Reference category
  3. Percentages do not consistently total to 100% due to missing values