Research Article
Risk of Type 2 Diabetes among Osteoarthritis Patients in a Prospective Longitudinal Study
Table 2
Age-sex specific incidence rate per 1000 person years, relative risks (RRs), and the 95% confidence intervals (CIs) of diabetes mellitus (DM).
| | Variables | Men | Women | Age < 65 years
( = 9,086) | Age ≥ 65 years
( = 6,040) | Age < 65 years
( = 11,184) | Age ≥ 65 years
( = 11,868) |
| | DM incidence rate (1,000) | 12.5 (11.9–13.1) | 13.0 (12.1–13.9) | 10.2 (9.7–10.8) | 10.4 (9.9–11.0) |
| | Exposure | RR (95% CI) | RR (95% CI) | RR (95% CI) | RR (95% CI) | | OA unadjusted | 1.32 (1.19–1.46) | 0.99 (0.86–1.14) | 1.53 (1.38–1.70) | 1.32 (1.19–1.48) | | OA adjusted | 1.16 (1.04–1.28) | 0.94 (0.82–1.09) | 1.27 (1.15–1.41) | 1.21 (1.08–1.35) | | SES | | | | | | 1 (low) | 1.40 (1.19–1.66) | 1.18 (0.95–1.46) | 1.57 (1.33–1.85) | 1.16 (0.98–1.39) | | 2 | 1.27 (1.08–1.50) | 1.18 (0.94–1.47) | 1.53 (1.30–1.80) | 1.17 (0.98–1.40) | | 3 | 1.42 (1.20–1.67) | 0.91 (0.72–1.16) | 1.35 (1.14–1.61) | 1.18 (0.98–1.43) | | 4 | 1.07 (0.90–1.27) | 1.09 (0.86–1.37) | 1.12 (0.94–1.34) | 1.15 (0.95–1.39) | | 5 (high) | Reference | Reference | Reference | Reference | | Obesity | 1.95 (1.70–2.24) | 1.62 (1.25–2.11) | 1.73 (1.54–1.95) | 1.98 (1.69–2.32) | | COPD | 1.22 (1.06–1.41) | 1.01 (0.84–1.20) | 1.20 (1.05–1.36) | 1.13 (0.99–1.29) | | Hypertension | 2.14 (1.92–2.38) | 1.43 (1.24–1.65) | 2.20 (1.99–2.44) | 1.45 (1.30–1.63) | | Hyperlipidemia | 1.33 (1.16–1.53) | 1.31 (1.07–1.60) | 1.18 (1.02–1.36) | 1.33 (1.14–1.55) | | Charlson score | 1.01 (0.96–1.06) | 0.99 (0.95–1.03) | 1.02 (0.97–1.07) | 0.96 (0.93–1.00) |
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COPD: chronic obstructive pulmonary disease; SES: socioeconomic status; OA: osteoarthritis.
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