Multivariate analysis of the risk of adverse drug events
| Factors | OR | P-value | 95% CI |
|---|---|---|---|
| Age | 1.001 | 0.811 | (0.96 to 1.005) |
| Sex: female/male | 1.307 | 0.001 | (1.110 to 1.538) |
| RUB | |||
| Healthy | — | — | — |
| Low morbidity | Reference | ||
| Moderate morbidity | 4.246 | <0.001 | (3.079 to 5.855) |
| High morbidity | 17.577 | <0.001 | (12.229 to 25.265) |
| Very high morbidity | 45.264 | <0.001 | (26.977 to 75.948) |
| Number of different specialties | 1.195 | <0.001 | (1.116 to 1.280) |
| Number of visits to family physician | 1.013 | 0.008 | (1.003 to 1.023) |
| Polypharmacya: yes/no | 1.344 | 0.003 | (1.106 to 1.634) |
OR = odds ratio. RUB = resource utilisation band.12 aSix or more different active compounds in at least 1 month.