Table 3.
Associations with Benzodiazepines Prescriptions Over Time (Year)—Within Program: Univariate and Multivariable Models
| Univariate | Adjusted | ||||
|---|---|---|---|---|---|
| Variable | Class | OR (95% CI) | p | OR (95% CI) | p |
| Time (year) | 0.96 (0.93, 0.99) | 0.014 | 0.94 (0.90, 0.97) | 0.001 | |
| Patient age group | 35–64 | 1.77 (1.59, 1.97) | < 0.001 | 1.60 (1.42, 1.81) | < 0.001 |
| Referent: 16–34 | 65+ | 1.62 (1.44, 1.83) | < 0.001 | 1.46 (1.27, 1.68) | < 0.001 |
| Aboriginal or Torres Strait Islander | Yes | 1.75 (1.36, 2.27) | < 0.001 | 2.00 (1.53, 2.60) | < 0.001 |
| NESB* | Yes | 0.49 (0.39, 0.63) | < 0.001 | 0.50 (0.39, 0.65) | < 0.001 |
| Patient/practice status | New to practice | 0.76 (0.63, 0.92) | 0.004 | 1.14 (0.92, 1.40) | 0.24 |
| Referent: existing patient | New to registrar | 1.00 (0.92, 1.08) | 0.99 | 1.27 (1.15, 1.39) | < 0.001 |
| Registrar gender | Female | 0.82 (0.74, 0.91) | < 0.001 | 0.84 (0.75, 0.93) | 0.002 |
| Practice routinely bulk bills | Yes | 0.87 (0.77, 1.00) | 0.044 | 0.90 (0.78, 1.04) | 0.14 |
| RTP† | RTP 2 | 1.38 (1.17, 1.63) | < 0.001 | 1.40 (1.18, 1.67) | < 0.001 |
| Referent RTP 1 | RTP 3 | 1.33 (1.11, 1.58) | 0.002 | 1.34 (1.11, 1.62) | 0.0023 |
| RTP 4 | 1.24 (1.09, 1.41) | 0.001 | 1.35 (1.18, 1.55) | < 0.001 | |
| RTP 5 | 1.74 (1.41, 2.14) | < 0.001 | 1.60 (1.25, 2.06) | < 0.001 | |
| New problem | Yes | 0.25 (0.22, 0.27) | < 0.001 | 0.21 (0.18, 0.23) | < 0.001 |
| Chronic disease | Yes | 0.82 (0.74, 0.91) | < 0.001 | 0.51 (0.45, 0.57) | < 0.001 |
| Consultation duration‡ | mean (SD) | 1.01 (1.00, 1.01) | 0.006 | 1.01 (1.01, 1.01) | < 0.001 |
*NESB, non-English-speaking background
†RTP, regional training provider
‡For each minute of consultation time