Table 2 Association of depression with RA stratified by sex, age, and follow-up years.
Variables | Non-RA cohort | RA cohort | HR (95% CI) | |||||
|---|---|---|---|---|---|---|---|---|
Case | PYs | Incidence | Case | PYs | Incidence | Crude | Adjusted | |
All | 1075 | 120100.95 | 8.95 | 958 | 61075.48 | 15.69 | 1.75 (1.60–1.91) | 1.69 * (1.51–1.87) |
Sex | ||||||||
 Female | 834 | 79153.66 | 10.54 | 749 | 40500.41 | 18.49 | 1.76 (1.57–1.93) | 1.73 ξ (1.50–1.84) |
 <=40 | 123 | 14034.12 | 8.76 | 130 | 6855.65 | 18.96 | 2.16 (1.67–2.73) | 2.14 Υ (1.62–2.69) |
 41–60 | 427 | 38820.73 | 10.99 | 365 | 19759.52 | 18.47 | 1.68 (1.45–1.99) | 1.60 Υ (1.35–1.90) |
 >60 | 284 | 26298.81 | 10.79 | 254 | 13885.25 | 18.29 | 1.67 (1.42–1.92) | 1.58 Υ (1.37–1.82) |
 Male | 241 | 40947.29 | 5.89 | 209 | 20575.07 | 10.16 | 1.72 (1.43–2.06) | 1.65 ξ (1.33–1.94) |
 <=40 | 28 | 7405.85 | 3.78 | 40 | 3548.01 | 11.27 | 2.97 (1.81–4.77) | 2.76 Υ (1.83–4.59) |
 41–60 | 90 | 17265.70 | 5.21 | 78 | 8682.50 | 8.98 | 1.72 (1.27–2.33) | 1.59 Υ (1.17–2.17) |
 >60 | 123 | 16275.75 | 7.56 | 91 | 8344.56 | 10.90 | 1.44 (1.10–1.88) | 1.33 Υ (1.01–1.75) |
Follow–up (years) | ||||||||
 ≦ 2 | 161 | 2481.50 | 64.88 | 195 | 1328.31 | 146.77 | 2.25 (1.71–2.44) | 1.98 * (1.43–2.15) |
 3–5 | 483 | 8666.64 | 55.73 | 443 | 5423.28 | 81.68 | 1.48 (1.34–1.73) | 1.47 * (1.28–1.76) |
 >5 | 431 | 108952.81 | 3.96 | 320 | 54323.89 | 5.89 | 1.50 (1.30–1.74) | 1.48 * (1.25–1.69) |
