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Table 3 OR of having at least one visit to a doctor in outpatient care (controlled for age) in the total population and in the survey population

From: Comparing healthcare utilization among health survey respondents with the total population – are respondents representative?

  Total population Survey population z-test
Estimate 95 % CI (Low) 95 % CI (High) Estimate 95 % CI (Low) 95 % CI (High)  
Women (18–64 years)
 Income quintile 1 (Low) 1.12 1.10- 1.14 1.50a 1.32- 1.72 −4.30
 Income quintile 2 1.44 1.42- 1.47 1.47 1.29- 1.67 −0.22
 Income quintile 3 1.31 1.29- 1.33 1.38 1.21- 1.57 −0.78
 Income quintile 4 1.22 1.20- 1.24 1.29 1.14- 1.45 −0.90
 Primary school 1.52 1.49- 1.55 1.43 1.26- 1.63 0.86
 Secondary school 1.25 1.23- 1.26 1.20 1.10- 1.31 0.95
 Born outside Sweden 0.81 0.80- 0.82 1.05a 0.94- 1.16 −4.86
 Disadvantaged areas 1.10 1.07- 1.13 1.10 0.90- 1.34 0.00
Women (65+ years)
 Income quintile 1 (Low) 0.86 0.82- 0.91 0.94 0.68- 1.30 −0.50
 Income quintile 2 1.16 1.11- 1.22 1.30 0.97- 1.75 −0.75
 Income quintile 3 1.25 1.19- 1.31 1.53 1.12- 2.09 −1.28
 Income quintile 4 1.19 1.13- 1.25 1.25 0.92- 1.70 −0.28
 Primary school 0.94 0.90- 0.98 0.96 0.74- 1.24 −0.13
 Secondary school 1.01 0.98- 1.05 1.23 0.97- 1.57 −1.57
 Born outside Sweden 0.68 0.66- 0.70 0.63 0.50- 0.80 0.57
 Disadvantaged areas 0.93 0.86- 1.00 1.16 0.67- 1.99 −0.79
Men (18–64 years)
 Income quintile 1 (Low) 1.20 1.18- 1.22 1.55a 1.34- 1.78 −3.44
 Income quintile 2 1.46 1.44- 1.48 1.60 1.40- 1.83 −1.34
 Income quintile 3 1.36 1.34- 1.39 1.47 1.29- 1.67 −1.15
 Income quintile 4 1.19 1.17- 1.20 1.25 1.10- 1.41 −0.78
 Primary school 1.58 1.56- 1.61 1.50 1.32- 1.69 0.89
 Secondary school 1.31 1.30- 1.33 1.23 1.13- 1.35 1.42
 Born outside Sweden 0.82 0.81- 0.83 1.19a 1.07- 1.32 −6.82
 Disadvantaged areas 1.09 1.06- 1.11 1.32 1.08- 1.61 −1.87
Men (65+ years)
 Income quintile 1 (Low) 0.81 0.76- 0.85 1.11 0.78- 1.59 −1.74
 Income quintile 2 1.00 0.96- 1.05 1.17 0.87- 1.59 −0.99
 Income quintile 3 1.23 1.18- 1.29 1.44 1.07- 1.94 −1.02
 Income quintile 4 1.23 1.17- 1.28 0.88a 0.68- 1.14 2.44
 Primary school 1.02 0.98- 1.06 1.11 0.86- 1.42 −0.66
 Secondary school 1.13 1.09- 1.17 1.14 0.91- 1.43 −0.13
 Born outside Sweden 0.74 0.71- 0.77 1.22a 0.92- 1.62 −3.44
 Disadvantaged areas 0.93 0.86- 1.00 1.45 0.84- 2.51 −1.60
  1. aOR in survey population significantly different from the OR in the total population based on the z-test of the two estimates
  2. Reference group: Income quintile 5 (High), Post-secondary school, Born in Sweden, Non-disadvantaged areas in Stockholm county