Table 5.
Multivariate model reflecting factors associated with the DDD dispensed
| Variables | Ba | p | 95% Confidence Interval |
|---|---|---|---|
| Sex | |||
| Men | 1.00 | – | – |
| Women | 1.13 | < 0.01 | 1.11–1.15 |
| Age-group (years) | |||
| 0–19 | 1.00 | – | – |
| 20–44 | 4.23 | < 0.01 | 4.06–4.40 |
| 45–64 | 7.98 | < 0.01 | 7.68–8.30 |
| 65+ | 11.39 | < 0.01 | 10.96–11.84 |
| Year | |||
| 2013 | 1.00 | – | – |
| 2014 | 0.97 | < 0.01 | 0.95–0.99 |
| 2015 | 1.02 | 0.04 | 1.00–1.04 |
| SEIFA index of disadvantage | |||
| Low | 1.00 | – | – |
| Moderate | 0.88 | < 0.01 | 0.86–0.90 |
| High | 0.85 | < 0.01 | 0.83–0.87 |
| Very high | 0.63 | < 0.01 | 0.61–0.64 |
| Urbanization | |||
| Urban | 1.00 | – | – |
| Rural | 4.08 | < 0.01 | 4.00–4.16 |
| Constant | 1.80 | < 0.01 | 1.73–1.88 |
aExponentiated values of the coefficients estimated in the linear model of the logarithm of quantity of opioids dispensed