Multivariable quasi-Poisson regression of primary care physician visits
| Variable | No. of patients | Unadjusted incidence rate ratio (95% CI) | Adjusted incidence rate ratio (95% CI) |
|---|---|---|---|
| Sex | |||
| Female | 83 978 | 0.97 (0.96–0.99) | 0.97 (0.95–0.98) |
| Age, yr | |||
| 19–59 | 23 520 | 1.00 (ref.) | 1.00 (ref.) |
| 60–69 | 25 957 | 1.07 (1.03–1.11) | 1.02 (0.98–1.05) |
| 70–79 | 47 410 | 1.11 (1.07–1.15) | 1.08 (1.05–1.12) |
| 80–89 | 86 717 | 1.14 (1.10–1.17) | 1.15 (1.11–1.18) |
| ≥ 90 | 42 450 | 1.17 (1.13–1.21) | 1.20 (1.16–1.25) |
| Region* | |||
| Central | 93 217 | 1.00 (ref.) | 1.00 (ref.) |
| East | 42 276 | 0.94 (0.91–0.96) | 0.96 (0.94–0.99) |
| North | 19 392 | 0.82 (0.79–0.85) | 0.84 (0.81–0.87) |
| South | 71 169 | 1.09 (1.06–1.11) | 1.07 (1.05–1.09) |
| Rurality† | |||
| Rural | 30 584 | 0.88 (0.86–0.91) | 0.96 (0.94–0.99) |
| Patient enrolment model type | |||
| Enhanced fee-for-service | 73 150 | 1.00 (ref.) | 1.00 (ref.) |
| Family health team | 75 031 | 0.78 (0.76–0.79) | 0.77 (0.76–0.79) |
| Other capitation | 64 908 | 0.81 (0.79–0.82) | 0.80 (0.78–0.82) |
| Other | 8403 | 0.60 (0.56–0.65) | 0.66 (0.62–0.71) |
| Not enrolled | 4562 | 0.77 (0.73–0.81) | 0.79 (0.75–0.83) |
| Home care services | |||
| Personal support | 162 276 | 1.00 (0.89–1.02) | 0.98 (0.96–1.00) |
| Nursing | 80 636 | 1.33 (1.31–1.35) | 1.34 (1.31–1.36) |
| Function | |||
| Independent/supervision | 127 725 | 1.00 (ref.) | 1.00 (ref.) |
| Mild/moderate impairment | 72 220 | 1.05 (1.03–1.07) | 1.01 (0.99–1.03) |
| Severe impairment | 26 109 | 1.15 (1.12–1.19) | 1.05 (1.02–1.08) |
| Cognition | |||
| Independent/supervision | 85 613 | 1.00 (ref.) | 1.00 (ref.) |
| Mild/moderate impairment | 121 081 | 1.01 (0.99–1.03) | 0.98 (0.97–1.00) |
| Severe impairment | 19 360 | 1.00 (0.96–1.04) | 0.97 (0.93–1.01) |
| Mood | |||
| No symptoms | 108 918 | 1.00 (ref.) | 1.00 (ref.) |
| Some symptoms | 59 684 | 1.11 (1.09–1.13) | 1.10 (1.08–1.13) |
| Daily symptoms | 57 452 | 1.23 (1.20–1.25) | 1.22 (1.19–1.24) |
| Chronic conditions | |||
| Congestive heart failure | 29 875 | 1.24 (1.21–1.27) | 1.12 (1.09–1.14) |
| Chronic obstructive pulmonary disease | 44 209 | 1.14 (1.11–1.16) | 1.07 (1.05–1.09) |
| Dementia | 58 413 | 1.02 (0.99–1.04) | 1.04 (1.02–1.07) |
| No. of medications | |||
| 0–4 | 36 294 | 1.00 (ref.) | 1.00 (ref.) |
| 5–8 | 70 698 | 1.21 (1.17–1.24) | 1.17 (1.14–1.21) |
| ≥ 9 | 119 062 | 1.45 (1.41–1.49) | 1.38 (1.34–1.42) |