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Table 4 Use of private health services by three indicators of socioeconomic position. Percentage ratio (RP) and 95% confidence interval (CI)

From: Socioeconomic patterns in the use of public and private health services and equity in health care

Measures of socioeconomic position GP Specialist Hospitalisation
  Model 1a Model 2b Model 1a Model 2b Model 1a Model 2b
  RP (IC 95%) RP (IC 95%) RP (IC 95%) RP (IC 95%) RP (IC 95%) RP (IC 95%)
Education             
Tertiary 1.00 - 1.00 - 1.00 - 1.00 - 1.00 - 1.00 -
Upper secondary 0.49 (0.34–0.68) 0.48 (0.34–0.67) 0.58 (0.45–0.73) 0.56 (0.44–0.71) 0.55 (0.38–0.80) 0.54 (0.37–0.79)
Lower secondary 0.25 (0.16–0.40) 0.24 (0.15–0.39) 0.26 (0.19–0.37) 0.25 (0.18–0.25) 0.49 (0.32–0.74) 0.47 (0.30–0.71)
Primary/no education 0.12 (0.08–0.18) 0.11 (0.07–0.17) 0.18 (0.14–0.24) 0.16 (0.12–0.22) 0.28 (0.19–0.42) 0.25 (0.17–0.38)
Social class             
I–II 1.00 - 1.00 - 1.00 - 1.00 - 1.00 - 1.00 -
III 0.45 (0.32–0.62) 0.44 (0.32–0.62) 0.74 (0.58–0.94) 0.73 (0.57–0.92) 0.58 (0.42–0.81) 0.56 (0.41–0.80)
IV 0.21 (0.14–0.31) 0.20 (0.14–0.31) 0.33 (0.25–0.44) 0.32 (0.23–0.41) 0.25 (0.16–0.37) 0.24 (0.16–0.36)
V–VI 0.03 (0.01–0.09) 0.03 (0.01–0.08) 0.21 (0.14–0.30) 0.20 (0.14–0.29) 0.20 (0.13–0.33) 0.19 (0.12–0.31)
Monthly income             
More than 1800 euros 1.00 - 1.00 - 1.00 - 1.00 - 1.00 - 1.00 -
From 1201 to 1800 euros 0.42 (0.30–0.59) 0.42 (0.30–0.59) 0.56 (0.44–0.71) 0.55 (0.44–0.70) 0.64 (0.47–0.88) 0.63 (0.46–0.87)
From 901 to 1200 euros 0.25 (0.16–0.39) 0.24 (0.15–0.38) 0.35 (0.26–0.48) 0.34 (0.25–0.47) 0.30 (0.19–0.48) 0.29 (0.18–0.46)
Up to 900 euros 0.11 (0.06–0.18) 0.10 (0.06–0.18) 0.26 (0.19–0.36) 0.24 (0.17–0.34) 0.16 (0.09–0.27) 0.14 (0.09–0.25)
  1. a. Adjusted for age and sex
  2. b. Adjusted for age, sex, and number of chronic diseases. In monthly income, also adjusted for number of members in household.