Table 1.
Proportion of workers dispensed pregabalin in the first two years of claim and the time to first pregabalin dispense
| Insurer received a worker’s claim | Total workers | Workers ever dispensed pregabalin | Time to first pregabalin dispense | ||||
|---|---|---|---|---|---|---|---|
| N | N (%) | OR (99%CI)a | p | Median (IQR) Days | HR (99%CI)b | p | |
| Before PBS listing (< March 2011) | 2692 | 179 (6.6) | 0.20 (0.15, 0.25) | < 0.001 | 284.0 (114.5, 456.5) | 0.56 (0.45, 0.68) | < 0.001 |
| During PBS listing (March 2011 to March 2013) | 4658 | 491 (10.5) | 0.40 (0.33, 0.48) | < 0.001 | 278.0 (126.0, 449.0) | 0.55 (0.48, 0.64) | < 0.001 |
| After PBS listing (> March 2013) | 10,339 | 1761 (17.0) | 1.00 (ref) | – | 84.0 (21.0, 238.0) | 1.00 (ref) | – |
| All workers (January 2010 to December 2017) | 17,689 | 2431 (13.7) | – | – | 124.0 (34.0, 318.5) | – | – |
aBinary logistic regression model, Odds Ratio (OR) (99% Confidence Interval)
bCox proportional hazards model, Hazards Ratio (HR) (99% Confidence Interval)
cBoth models adjusted for worker sex, age, employment type, employer size, occupation, socioeconomic status, remoteness, whether a worker was dispensed opioids, antidepressants or benzodiazepines in the same period (see supplementary material for full models)