Multivariate analysis of predictive factors significantly associated in univariate analysis with patient or carer PM
| Patient PM cases (n = 39) | Patient PM non-cases (n = 70) | Odds ratio (95% CI) | Significance | |
|---|---|---|---|---|
| Carer PM cases, n (%) | ||||
| Y | 17 (15.6) | 13 (11.9) | 3.667 (0.916–14.680) | 0.066 |
| N | 22 (20.2) | 57 (52.3) | ||
| Patient gender, n (%) | ||||
| M | 24 (22.0) | 42 (38.5) | 0.728 (0.194–2.740) | 0.639 |
| F | 15 (13.8) | 28 (25.7) | ||
| No. of exacerbations at home, median (IQR) | 3.5 (2–6) | 2 (0–3) | 1.313 (1.006–1.713) | 0.045* |
| CRQ dyspnoea score, median (IQR) | 1.8 (1.6–2.6) | 2.8 (1.8–4) | 1.227 (0.628–2.398) | 0.549 |
| CRQ fatigue score, median (IQR) | 2.5 (2–3) | 3.75 (3–4.5) | 0.392 (0.173–0.889) | 0.025* |
| CRQ mastery score, median (IQR) | 3.25 (2.25–3.75) | 4.75 (4.25–5.5) | 0.264 (0.129–0.539) | 0.000* |
| No. of patient physical co-morbidities, median (IQR) | 4 (3–6) | 4 (2–5) | 0.832 (0.577–1.201) | 0.326 |
| Carer PM cases (n = 30) | Carer PM non-cases (n = 79) | Odds ratio (95% CI) | Significance | |
| Patient PM cases, n (%) | ||||
| Y | 17 (15.6) | 22 (20.2) | 3.869 (1.070–13.990) | 0.039* |
| N | 13 (11.9) | 57 (52.3) | ||
| Carer gender, n (%) | ||||
| M | 2 (1.8) | 29 (26.6) | 6.180 (1.167–32.712) | 0.032* |
| F | 28 (25.7) | 50 (45.9) | ||
| Lives with patient, n (%) | ||||
| Y | 24 (22.4) | 71 (66.4) | 1.883 (0.438–8.100) | 0.395 |
| N | 6 (5.6) | 6 (5.6) | ||
| Duration of caring in years, median (IQR) | 3.5 (2–12) | 7 (4–13) | 0.964 (0.903–1.030) | 0.278 |
| Hours of caring, median (IQR)a | 3 (2–3.5) | 3 (2–4) | 0.859 (0.420–1.755) | 0.676 |
| No. of exacerbations at home, median (IQR) | 3 (1.5–5.5) | 2 (0–3.75) | 1.048 (0.880–1.247) | 0.599 |
| No. of carer physical co-morbidities, median (IQR) | 1 (1–2) | 1 (0–2) | 1.184 (0.769–1.825) | 0.443 |
(a) 1 = <1 h/week, 2 = 1–19h/week, 3 = 20–49h/week, 4 = >50 h/week.