Multivariate odds of complaint among patients who experienced an adverse event
| Odds of complaint(n = 1101) | 95% CI | p value | |
|---|---|---|---|
| Sex | |||
| Male | 0.75 | 0.49 to 1.12 | 0.16 |
| Age (years) | |||
| Infant (0–1) | 1.06 | 0.50 to 2.22 | 0.9 |
| 1–17 | 0.52 | 0.25 to 1.09 | 0.08 |
| 18–44 | 1 (ref) | ||
| 45–64 | 0.55 | 0.33 to 0.92 | 0.02 |
| ⩾65 | 0.24 | 0.14 to 0.40 | <0.001 |
| Ethnicity | |||
| Non-Maori/non-Pacific | 1 (ref) | ||
| Maori | 0.78 | 0.45 to 1.36 | 0.4 |
| Pacific | 0.30 | 0.10 to 0.91 | 0.03 |
| Deprivation quintile | |||
| 1 (least deprived) | 1 (ref) | ||
| 2 | 0.77 | 0.42 to 1.41 | 0.4 |
| 3 | 0.47 | 0.24 to 0.92 | 0.03 |
| 4 | 0.69 | 0.37 to 1.28 | 0.2 |
| 5 (most deprived) | 0.32 | 0.16 to 0.63 | 0.001 |
| Disability | |||
| Temporary | 1 (ref) | ||
| Permanent <50% | 5.88 | 3.47 to 9.97 | <0.001 |
| Permanent >50% | 11.43 | 5.91 to 22.10 | <0.001 |
| Death | 17.86 | 9.31 to 34.24 | <0.001 |
| Preventability | |||
| Preventable | 7.60 | 4.98 to 11.60 | <0.001 |