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Table 15 The number of diseases associated with self-rated health status

From: Association between multiple comorbidities and self-rated health status in middle-aged and elderly Chinese: the China Kadoorie Biobank study

  Global SRH (Total n = 512,889) Age-comparative SRH (Total n = 175,980)
OR 95% CI OR 95% CI
Number of diseases
 One disease 1.44 1.42, 1.46 2.13 2.07, 2.18
 Two diseases 2.37 2.32, 2.42 5.15 4.98, 5.33
 Three diseases 3.91 3.76, 4.07 10.50 9.88, 11.16
 Four or more diseases 6.45 5.96, 6.98 20.39 18.30, 22.71
  1. Abbreviations: CI confidence intervals, OR odds ratio
  2. The reference group are those who not suffering from the disease
  3. Odds ratios (95% CI) were calculated after adjustment of age, sex, study location, marital status, household income, education level, occupation, alcohol drinking, cigarette smoking, physical activity, BMI and family history of five diseases (stroke, heart attack, diabetes, mental disorders and cancer)