Table 3.
Multivariable linear regression model for total charge.
| Days | 95% CI | P | |
|---|---|---|---|
| 2011 (before legalization) | .188 | ||
| Noncannabis user | Reference | ||
| Cannabis user | −9967 | (−24 813, 4878) | |
| 2015 (after legalization) | .024 | ||
| Noncannabis user | Reference | ||
| Cannabis user | −8418 | (−15 717, −1119) | |
| IBD type | <.001 | ||
| Crohn’s disease | Reference | ||
| Ulcerative colitis | 5446 | (3234, 7658) | |
| Age (1-year increase) | 12 | (−61, 85) | .745 |
| Male sex | 4855 | (2714, 6996) | <.001 |
| Race | <.001 | ||
| White | Reference | ||
| Black | 4354 | (−1473, 10 181) | |
| Hispanic | 3071 | (−3003, 9146) | |
| Other | 12 303 | (6457, 18 148) | |
| Income quartile | <.001 | ||
| First | −7008 | (−10 484, −3533) | |
| Second | −3776 | (−6831, −721) | |
| Third | −5780 | (−8447, −3113) | |
| Fourth | Reference | ||
| Type of insurance | <.001 | ||
| Private | Reference | ||
| Medicare | −2872 | (−5700, −44) | |
| Medicaid | −1542 | (−5051, 1967) | |
| Other | −9404 | (−13 849, −4959) | |
| AHRQ-Elixhauser Comorbidity ≥3 | 22 975 | (20 680, 25 271) | <.001 |
The interaction between state and time period was not significant, P = .854. Abbreviations: CI, confidence interval; IBD, inflammatory bowel disease.