Adjusted odds ratios of hospital admission 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 | 1.29 (1.24–1.34) | |||
| 2 | 2.73 (2.67–2.80) | |||
| 3 | 2.54 (2.45–2.65) | |||
| 4 | 3.31 (3.15–3.48) | |||
| 5 | 2.35 (2.12–2.61) | |||
| AUA, score | ||||
| 1 | Reference | |||
| 2 | 1.52 (1.43–1.61) | |||
| 3 | 2.07 (1.98–2.17) | |||
| 4 | 1.78 (1.70–1.86) | |||
| 5 | 2.40 (2.29–2.52) | |||
| 6 | 2.70 (2.58–2.83) | |||
| FI-CA, score | ||||
| 0–0.19 | Reference | |||
| 0.20–0.29 | 1.24 (1.19–1.29) | |||
| 0.30–0.39 | 1.52 (1.46–1.58) | |||
| 0.40–0.49 | 1.84 (1.77–1.91) | |||
| 0.50–0.59 | 2.22 (2.13–2.31) | |||
| ≥ 0.60 | 2.70 (2.59–2.81) | |||
| Age group, yr | ||||
| 18–49 | Reference | Reference | Reference | Reference |
| 50–59 | 1.17 (1.10–1.23) | 1.07 (1.01–1.13) | 1.15 (1.09–1.22) | 1.13 (1.07–1.19) |
| 60–69 | 1.26 (1.20–1.32) | 1.11 (1.06–1.17) | 1.23 (1.17–1.30) | 1.18 (1.12–1.24) |
| 70–79 | 1.40 (1.33–1.46) | 1.19 (1.13–1.24) | 1.31 (1.25–1.37) | 1.22 (1.16–1.27) |
| 80–89 | 1.46 (1.40–1.53) | 1.21 (1.15–1.26) | 1.31 (1.25–1.37) | 1.17 (1.12–1.23) |
| ≥ 90 | 1.66 (1.57–1.75) | 1.33 (1.26–1.41) | 1.43 (1.35–1.51) | 1.23 (1.17–1.30) |
| Sex | ||||
| Female | Reference | Reference | Reference | Reference |
| Male | 1.36 (1.33–1.39) | 1.37 (1.33–1.40) | 1.38 (1.35–1.41) | 1.38 (1.35–1.41) |
| Health region | ||||
| Central | Reference | Reference | Reference | Reference |
| West | 1.09 (1.06–1.12) | 1.14 (1.11–1.17) | 1.17 (1.14–1.21) | 1.19 (1.15–1.22) |
| East | 1.07 (1.04–1.10) | 1.05 (1.02–1.08) | 1.09 (1.05–1.12) | 1.08 (1.05–1.11) |
| North | 1.19 (1.14–1.24) | 1.20 (1.15–1.26) | 1.25 (1.20–1.31) | 1.27 (1.21–1.33) |
| Toronto | 1.39 (1.33–1.46) | 1.51 (1.44–1.59) | 1.41 (1.35–1.48) | 1.48 (1.41–1.56) |
| C statistic for all assessments | 0.560 | 0.617 | 0.598 | 0.609 |
| C statistic for assessments completed exclusively over the phone | 0.565 | 0.622 | 0.593 | 0.604 |
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.