Table 5.
Predictors of Nonadherence to Bone Mineral Density Screening in 26 and 38 Month Multivariable Models
| |
0–26-month model |
0–38-month model |
||
|---|---|---|---|---|
| IRR | 95% CI | IRR | 95% CI | |
| Predominant type of AI used | ||||
| Anastrozole | Reference | Reference | ||
| Exemestane | 1.66 | (1.09-2.53) | 1.26 | (1.06-1.50) |
| Letrozole | 1.12 | (0.79-1.59) | 0.85 | (0.71-1.01) |
| BMD w/in 1 year of AI start | ||||
| No | Reference | Reference | ||
| Yes | 1.50 | (1.06-2.13) | 1.52 | (1.26-1.82) |
| Primary care clinic geographic region | ||||
| Region 1 (Seattle) | Reference | Reference | ||
| Region 2 (South) | 0.38 | (0.24-0.62) | 0.47 | (0.35-0.62) |
| Region 3 (West) | 1.35 | (0.78-2.35) | 0.81 | (0.56-1.16) |
| Region 4 (North) | 0.71 | (0.45-1.11) | 0.89 | (0.72-1.10) |
| Educationa | ||||
| High school graduate or less | Reference | |||
| Some college | 0.91 | (0.58-1.43) | ||
| College graduate | 0.91 | (0.57-1.46) | ||
| Postcollege | 0.45 | (0.24-0.84) | ||
| Missing | 0.78 | (0.48-1.27) | ||
| Smoking Statusa | ||||
| Current | Reference | |||
| Past | 0.72 | (0.44-1.20) | ||
| Never | 0.58 | (0.36-0.93) | ||
| Diabetesa | ||||
| No | Reference | |||
| Yes | 1.39 | (1.02-1.90) | ||
a
Separate models were fitted for the 26-month and 38-month time periods.