HR with 95% CI of developing RA among subjects with different alcohol consumption habits
| Alcohol consumption | N | Person years | Incident RA (%) | HR (95% CI)* | HR (95% CI)† |
| None | 5475 | 91 922 | 103 (1.9) | 1.0 (reference) | 1.0 (reference) |
| Low | 17 761 | 311 888 | 262 (1.5) | 0.82 (0.65–1.03) | 0.76 (0.60–0.96) |
| Moderate | 9035 | 162 535 | 117 (1.3) | 0.72 (0.55–0.95) | 0.65 (0.49–0.86) |
| High | 8797 | 160 250 | 95 (1.1) | 0.62 (0.47–0.83) | 0.54 (0.41–0.73) |
| P for trend <0.001 |
Significant HRs are in bold.
Low alcohol consumption (<30 g/week among women and <51 g/week among men); moderate alcohol consumption (30–65 g/week among women and 51–104 g/week among men); high alcohol consumption (>65 g/week among women and >104 g/week among men).
*Adjusted for gender.
†Adjusted for gender, educational status, smoking, body mass index, physical activity and cardiovascular disease.
RA, rheumatoid arthritis.