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Table 2 Prevalence, prevalence difference and prevalence ratios (95% confidence intervals) of health services utilization in the last three months by per capita income, SGSSS insurance scheme and private health plan, in the study areas of Colombia and Brazil (2011)

From: Inequities in access to health care in different health systems: a study in municipalities of central Colombia and north-eastern Brazil

  Colombia Brazil
  n Prev. PD PR (CI 95%)a n Prev. PD PR (CI 95%)a
Primary care         
Per capita income         
   < 1/2 MW 473 49.8   1 550 49.1   1
   1/2 - 1 MW 409 52.8 3.0 1.04 (0.94 - 1.14) 310 43.1 -6.0 0.89 (0.80 - 0.99)
   > 1 MW 246 56.4 6.6 1.01 (0.91 - 1.13) 98 31.2 -17.9 0.71 (0.59 - 0.85)
SGSSS scheme         
   Contributory + special 718 58.0   1     
   Subsidized 298 52.1 -5.9 0.90 (0.81 - 0.99)     
   Uninsured 57 24.7 -33.3 0.46 (0.37 - 0.58)     
Private Health Plan         
   No 1,041 51.5   1 800 46.5   1
   Yes 27 64.3 12.8 1.13 (0.90 - 1.41) 158 36.4 -10.1 0.91 (0.79 - 1.05)
Outpatient secondary care        
Per capita income         
   < 1/2 MW 160 16.9   1 228 20.3   1
   1/2 - 1 MW 150 19.4 2.5 1.02 (0.83 - 1.26) 200 27.8 7.5 1.26 (1.07 - 1.48)
   > 1 MW 118 27.1 10.2 1.26 (1.02 - 1.56) 96 30.6 10.3 1.42 (1.14 - 1.77)
SGSSS scheme         
   Contributory + special 300 24.2   1     
   Subsidized 93 16.3 -7.9 0.72 (0.57 - 0.90)     
   Uninsured 17 7.4 -16.8 0.40 (0.25 - 0.64)     
Private Health Plan         
   No 393 19.5   1 391 22.7   1
   Yes 16 38.1 18.6 1.74 (1.14 - 2.66) 133 30.7 8.0 1.40 (1.18 - 1.67)
Emergency care         
Per capita income         
   < 1/2 MW 192 20.2   1 390 34.8   1
   1/2 - 1 MW 141 18.2 -2.0 1.14 (0.92 - 1.41) 240 33.3 -1.5 1.09 (0.95 - 1.25)
   > 1 MW 70 16.1 -4.1 0.98 (0.74 - 1.29) 74 23.6 -11.2 0.88 (0.70 - 1.11)
SGSSS scheme         
   Contributory + special 230 18.6   1     
   Subsidized 123 21.5 2.9 0.94 (0.76 - 1.17)     
   Uninsured 33 14.3 -4.3 0.63 (0.45 -0.88)     
Private Health Plan         
   No 371 18.4   1 579 33.6   1
   Yes 12 28.6 10.2 1.75 (1.06 - 2.86) 125 28.8 -4.8 0.93 (0.78 - 1.11)
  1. Prev, Prevalence; PD, Prevalence Difference; PR, Prevalence ratio; CI, Confidence Interval; MW, minimum wage; SGSSS, General System of Social Security in Health.
  2. aPrevalence Ratio and 95% confidence interval adjusted for sex, age, race/color, chronic condition, self-rated health status.
  3. Statistically significant results are shown in bold.