Variableb | Est. | S.E. | p | Incidence Rate Ratio | 95% Confidence Interval | Predicted First Interval | |
---|---|---|---|---|---|---|---|
Lower | Upper | ||||||
Intercept | 2.70 | 0.08 | <.0001 | . | . | . | . |
Age | −0.01 | 0.00 | <.0001 | 0.99 | 0.99 | 0.99 | Age 25 = 12.5 |
 |  |  |  |  |  |  | Age 40 = 10.8 |
Receiving social assistance: | |||||||
 Yes | 0.07 | 0.03 | 0.01 | 1.07 | 1.01 | 1.14 | 12.5 |
 No | (ref) | . | . | 1.00 | . | . | 11.7 |
Alcohol problems: | |||||||
 Yes | 0.09 | 0.03 | 0.001 | 1.09 | 1.03 | 1.16 | 12.6 |
 No | (ref) | . | . | 1.00 | . | . | 11.6 |
Opioid problems c: | Â | Â | Â | Â | Â | Â | Â |
Yes | 0.10 | 0.03 | 0.0005 | 1.11 | 1.04 | 1.17 | 12.7 |
No | (ref) | . | . | 1.00 | . | . | 11.5 |
Frequency of substance use, past 30 days: | |||||||
 Binge use | −0.13 | 0.07 | 0.07 | 0.87 | 0.77 | 1.01 | 11.4 |
 3 times per week to daily | −0.13 | 0.03 | <.0001 | 0.88 | 0.83 | 0.93 | 11.4 |
 Up to 2 times per week | −0.03 | 0.04 | 0.41 | 0.97 | 0.90 | 1.05 | 12.6 |
 No use | (ref) | . | . | 1.00 | . | . | 13.0 |
Past-year injection drug use: | |||||||
 Yes | −0.14 | 0.04 | 0.001 | 0.87 | 0.80 | 0.94 | 11.3 |
 No | (ref) | . | . | 1.00 | . | . | 13.0 |
Treatment mandate: | |||||||
 Legal | 0.25 | 0.06 | <.0001 | 1.29 | 1.14 | 1.44 | 14.4 |
 Child protection | 0.07 | 0.03 | 0.02 | 1.07 | 1.07 | 1.01 | 12.0 |
 Employer/school | −0.01 | 0.08 | 0.91 | 0.99 | 1.01 | 1.14 | 11.1 |
 None | (ref) | . | . | 1.00 | . | . | 11.2 |