Table 3

Relative risks (RR) and 95% confidence intervals for the associations of rheumatoid arthritis (RA) and self reported comorbidities with mortality, Iowa Women’s Health Study, 1986–2000

Age adjustedMultivariable adjusted*
RR95% CIRR95% CI
*Adjusted for all variables in the table in addition to education, alcohol use, smoking history, body mass index, and daily decaffeinated coffee consumption.
RA (all cases)1.761.23 to 2.531.521.05 to 2.20
Seropositive RA2.161.42 to 3.291.901.24 to 2.92
Seronegative RA1.170.59 to 2.341.000.45 to 1.99
Hypertension1.401.32 to 1.501.281.19 to 1.37
Diabetes mellitus2.582.34 to 2.852.201.97 to 2.44
Heart disease1.841.68 to 2.021.631.48 to 1.80
Cancer1.691.54 to 1.861.591.44 to 1.74