Full model with unadjusted and adjusted estimates for odds of angiography within 1 day after acute myocardial infarction
| Covariate | Unadjusted OR (95% CI) | Adjusted OR* (95% CI) |
|---|---|---|
| First Nations status | ||
| Non–First Nations | 1.00 (ref) | 1.00 (ref) |
| First Nations | 0.75 (0.64–0.88) | 0.73 (0.62–0.87) |
| Age, yr | ||
| 18–45 | 1.00 (ref) | 1.00 (ref) |
| 46–65 | 0.79 (0.73–0.86) | 0.81 (0.74–0.88) |
| 66–75 | 0.47 (0.43–0.51) | 0.59 (0.54–0.66) |
| 76–85 | 0.26 (0.24–0.28) | 0.36 (0.32–0.40) |
| ≥ 86 | 0.07 (0.06–0.09) | 0.10 (0.09–0.12) |
| Sex | ||
| Male | 1.00 (ref) | 1.00 (ref) |
| Female | 0.61 (0.58–0.64) | 0.84 (0.80–0.89) |
| Distance from residence to the nearest cardiac catheterization laboratory, km | ||
| ≤ 50 | 1.00 (ref) | 1.00 (ref) |
| 50.1–150 | 0.49 (0.46–0.52) | 0.48 (0.45–0.51) |
| 150.1–300 | 0.32 (0.30–0.34) | 0.30 (0.28–0.33) |
| > 300 | 0.33 (0.29–0.37) | 0.27 (0.24–0.31) |
| Income quintile | ||
| 1st (lowest) | 1.00 (ref) | 1.00 (ref) |
| 2nd | 1.07 (1.00–1.15) | 1.07 (0.99–1.15) |
| 3rd | 1.05 (0.98–1.12) | 1.04 (0.96–1.12) |
| 4th | 1.03 (0.96–1.11) | 0.99 (0.92–1.07) |
| 5th (highest) | 1.13 (1.05–1.21) | 1.10 (1.02–1.19) |
| Missing | 0.77 (0.68–0.86) | 1.07 (0.93–1.22) |
| Diabetes | 0.74 (0.71–0.78) | 0.86 (0.81–0.90) |
| Hypertension | 0.73 (0.69–0.77) | 0.94 (0.88–1.00) |
| Year of acute MI diagnosis | ||
| 1997 | 1.00 (ref) | 1.00 (ref) |
| 1998 | 1.48 (1.26–1.75) | 1.50 (1.26–1.78) |
| 1999 | 1.88 (1.60–2.21) | 1.99 (1.68–2.35) |
| 2000 | 2.13 (1.81–2.49) | 2.25 (1.91–2.65) |
| 2001 | 2.63 (2.26–3.07) | 2.88 (2.45–3.38) |
| 2002 | 3.53 (3.04–4.11) | 4.00 (3.42–4.68) |
| 2003 | 3.47 (2.99–4.03) | 4.00 (3.42–4.68) |
| 2004 | 3.80 (3.27–4.41) | 4.44 (3.80–5.20) |
| 2005 | 4.40 (3.79–5.10) | 5.43 (4.65–6.34) |
| 2006 | 4.19 (3.61–4.86) | 5.09 (4.36–5.94) |
| 2007 | 5.42 (4.68–6.28) | 6.41 (5.49–7.48) |
| 2008 | 5.49 (4.59–6.58) | 6.67 (5.51–8.09) |
| Cancer | 0.56 (0.52–0.61) | 0.85 (0.77–0.93) |
| Cerebrovascular disease | 0.40 (0.37–0.43) | 0.74 (0.67–0.81) |
| Heart failure | 0.44 (0.41–0.46) | 0.93 (0.87–0.99) |
| COPD | 0.54 (0.51–0.57) | 0.76 (0.72–0.81) |
| Dementia | 0.18 (0.15–0.21) | 0.39 (0.33–0.46) |
| HIV/AIDS | 1.39 (0.67–2.89) | 0.78 (0.34–1.76) |
| Metastatic cancer | 0.26 (0.21–0.34) | 0.38 (0.29–0.50) |
| Mild liver disease | 0.68 (0.56–0.83) | 0.77 (0.63–0.95) |
| Moderate/severe liver disease | 0.32 (0.20–0.50) | 0.36 (0.22–0.58) |
| Paraplegia/hemiplegia | 0.36 (0.29–0.45) | 0.64 (0.50–0.82) |
| Peptic ulcer disease | 0.61 (0.55–0.67) | 0.87 (0.78–0.97) |
| Peripheral vascular disease | 0.46 (0.43–0.50) | 0.79 (0.72–0.86) |
| Renal disease | 0.33 (0.30–0.36) | 0.49 (0.43–0.54) |
| Rheumatologic disease | 0.68 (0.59–0.77) | 0.96 (0.84–1.11) |
Note: CI = confidence interval, COPD = chronic obstructive pulmonary disease, MI = myocardial infarction, OR = odds ratio, ref = reference group.
↵* Adjusted based on all variables in the table.