Adjusted odds ratios of emergency department visit within 90 days of interRAI CA assessment among the intake home care population
| Variable | Adjusted OR (95% CI)* | |||
|---|---|---|---|---|
| Base model (age, sex, health region only) | CHESS-CA, adjusted for age, sex, health region | AUA, adjusted for age, sex, health region | FI-CA, adjusted for age, sex, health region | |
| CHESS-CA, score | ||||
| 0 | Reference | |||
| 1 | 0.99 (0.97–1.02) | |||
| 2 | 1.14 (1.11–1.16) | |||
| 3 | 1.42 (1.38–1.46) | |||
| 4 | 1.49 (1.43–1.55) | |||
| 5 | ||||
| AUA, score | ||||
| 1 | Reference | |||
| 2 | 1.54 (1.48–1.60) | |||
| 3 | 1.54 (1.49–1.59) | |||
| 4 | 1.03 (1.00–1.06) | |||
| 5 | 1.13 (1.10–1.17) | |||
| 6 | 1.24 (1.20–1.28) | |||
| FI-CA, score | ||||
| 0–0.19 | Reference | |||
| 0.20–0.29 | 0.90 (0.87–0.92) | |||
| 0.30–0.39 | 0.91 (0.89–0.93) | |||
| 0.40–0.49 | 0.94 (0.92–0.97) | |||
| 0.50–0.59 | 1.02 (0.99–1.05) | |||
| ≥ 0.60 | 1.06 (1.03–1.09) | |||
| Age group, yr | ||||
| 18–49 | Reference | Reference | Reference | Reference |
| 50–59 | 0.98 (0.95–1.02) | 0.96 (0.92–0.99) | 1.00 (0.96–1.03) | 0.99 (0.95–1.02) |
| 60–69 | 0.90 (0.87–0.93) | 0.86 (0.83–0.89) | 0.93 (0.90–0.96) | 0.90 (0.87–0.93) |
| 70–79 | 0.81 (0.78–0.83) | 0.77 (0.74–0.79) | 0.85 (0.82–0.88) | 0.80 (0.78–0.83) |
| 80–89 | 0.70 (0.68–0.72) | 0.65 (0.63–0.67) | 0.74 (0.72–0.76) | 0.69 (0.67–0.71) |
| ≥ 90 | 0.64 (0.61–0.66) | 0.59 (0.57–0.61) | 0.68 (0.66–0.71) | 0.62 (0.60–0.65) |
| Sex | ||||
| Female | Reference | Reference | Reference | Reference |
| Male | 1.24 (1.22–1.27) | 1.25 (1.23–1.27) | 1.23 (1.21–1.25) | 1.24 (1.22–1.26) |
| Health region | ||||
| Central | Reference | Reference | Reference | Reference |
| West | 1.06 (1.04–1.08) | 1.08 (1.05–1.10) | 1.07 (1.05–1.10) | 1.07 (1.05–1.10) |
| East | 1.13 (1.10–1.15) | 1.12 (1.09–1.14) | 1.14 (1.11–1.17) | 1.13 (1.11–1.16) |
| North | 1.26 (1.21–1.30) | 1.26 (1.22–1.30) | 1.26 (1.22–1.31) | 1.27 (1.22–1.31) |
| Toronto | 1.16 (1.12–1.21) | 1.19 (1.15–1.24) | 1.14 (1.09–1.18) | 1.17 (1.13–1.22) |
| C statistic for all assessments | 0.559 | 0.570 | 0.572 | 0.561 |
| C statistic for assessments completed exclusively over the phone | 0.565 | 0.575 | 0.580 | 0.569 |
Note: AUA = Assessment Urgency Algorithm; CHESS-CA = Changes in Health, End-stage disease and Signs and Symptoms Scale for the Contact Assessment; CI = confidence interval; FI-CA = Frailty Index for the Contact Assessment; interRAI CA = interRAI Contact Assessment; OR = odds ratio.
↵* Unless stated otherwise.