Table 3.
Low socioeconomic state and both physical and mental comorbidity at RA onset contribute to excess mortality in RA in provincial administrative health records data from January 1990 to December 2010.
| Variable | Hazzard ratio | 95% CI | P value |
|---|---|---|---|
| INA | 1.3 | 0.8–2.1 | 0.26 |
| Male sex | 1.3 | 1.0–1.6 | 0.04 |
| Age group (years) <18 19–28 29–38 39–48 49–58 59–68 >69 |
ref 1.7 2,2 3.3 7.8 16.8 52.6 |
ref 0.2–18.6 0.3–18.3 0.4–25.2 1.1–56.9 2.3–121.9 7.3–377.3 |
-0.67 0.47 0.24 0.04 0.005 <0.0001 |
| Income quintile1 Q1 Q2 Q3 Q4 Q5 |
1.8 1.3 1.4 1.2 ref |
1.2–2.0 0.88–1.99 0.92–2.1 0.77–1.83 ref |
0.004 0.18 0.11 0.43 - |
| Comorbidity onset2 Physical ADG Mental ADG |
1.64 1.56 |
1.29–2.08 1.19–2.04 |
0.001 0.004 |
1
Income quintile based on dissemination area level average household income values from public-use census files and postal codes. Higher quintile represents higher income [9].
2
ADG = Aggregated Diagnosis Groups® (mental ADG®, physical ADG ®) created using the John Hopkins ACG® Case-Mix System Version 8. The mADG and pADG have been previously used in the Manitoba Provincial Registry Database [12].