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Table 3 Stratified analysis on the association of social trust with cardiovascular disease according to age, sex, household income, Charlson comorbidity index

From: Association between social trust and the risk of cardiovascular disease in older adults in Korea: a nationwide retrospective cohort study

  Adjusted hazard ratio (95% confidence interval) p for trend
Social trust, quintiles
1st (lowest) 2nd 3rd 4th 5th (highest)
Age, years
  < 65 1.00 (reference) 0.93 (0.90–0.97) 0.94 (0.90–0.97) 0.96 (0.93–1.00) 0.91 (0.87–0.94) 0.001
  ≥ 65 1.00 (reference) 0.94 (0.91–0.96) 0.98 (0.96–1.01) 0.95 (0.93–0.97) 0.92 (0.90–0.95) < 0.001
Sex
 Men 1.00 (reference) 0.94 (0.92–0.97) 0.97 (0.95–1.00) 0.95 (0.93–0.98) 0.90 (0.88–0.93) < 0.001
 Women 1.00 (reference) 0.92 (0.89–0.94) 0.95 (0.92–0.97) 0.94 (0.91–0.97) 0.91 (0.88–0.94) < 0.001
Household income
 Upper half 1.00 (reference) 0.93 (0.90–0.95) 0.96 (0.93–0.98) 0.95 (0.92–0.97) 0.90 (0.87–0.92) < 0.001
 Lower half 1.00 (reference) 0.94 (0.91–0.97) 0.96 (0.93–0.99) 0.94 (0.91–0.97) 0.92 (0.91–0.97) < 0.001
Charlson comorbidity index
 0 1.00 (reference) 0.95 (0.90–0.99) 0.94 (0.89–0.99) 0.94 (0.89–0.99) 0.89 (0.84–0.94) < 0.001
 1 1.00 (reference) 0.92 (0.89–0.96) 0.95 (0.92–0.99) 0.92 (0.88–0.96) 0.89 (0.85–0.93) < 0.001
  ≥ 2 1.00 (reference) 0.93 (0.91–0.95) 0.97 (0.94–0.99) 0.96 (0.93–0.98) 0.92 (0.89–0.94) < 0.001
  1. Adjusted hazard ratios calculated by Cox proportional hazards regression after adjustments for age, sex, area of residence, household income, and Charlson comorbidity index
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