Use of cancer-screening services and flu vaccination according to substance-use characteristics between 2007 and 2009 in Boston, Massachusetts
| Flu vaccination (n=7017), % | Pap smear (n=4414), % | Mammogram (n=4804), % | Colorectal cancer screening (n=7008), % | |
| Substance use | ||||
| None | 50.4 | 78.1 | 83.8 | 63.4 |
| Unhealthy substance use* | 44.7† | 77.9 | 75.4‡ | 61.7 |
| Unhealthy alcohol use | 45.7 | 79.1 | 78.2§ | 61.1 |
| Any drug use | 41.7† | 75.5 | 70.0‡ | 60.8 |
* Unhealthy alcohol or any drug use.
† Significantly different from persons without unhealthy substance use, χ2 p≤0.01.
‡ Significantly different from persons without unhealthy substance use, χ2 p<0.0001.
§ Significantly different from persons without unhealthy substance use, χ2 p<0.05.