Table 4.
Percentage of Patients Overdosing or Double-Dipping with Acetaminophen Products, by Patient Characteristics
| Variable | Overdose on Single Product (n = 119) | Double-Dipping with 2 Products (n = 228) | ||
|---|---|---|---|---|
| % | P Value | % | P Value | |
| Age | 0.51 | 0.05 | ||
| 18-30 | 18.6 | 37.1 | ||
| 31-45 | 22.0 | 44.1 | ||
| 46-60 | 26.9 | 52.8 | ||
| 61-80 | 23.5 | 40.0 | ||
| Gender | 0.23 | 0.03 | ||
| Female | 22.0 | 41.9 | ||
| Male | 26.7 | 51.9 | ||
| Race | 0.91 | <0.0001 | ||
| White | 24.7 | 25.9 | ||
| Black | 23.6 | 58.8 | ||
| Other | 21.7 | 37.0 | ||
| Education | 0.09 | <0.0001 | ||
| High School or less | 29.0 | 69.4 | ||
| Some college | 19.1 | 40.0 | ||
| College grad | 21.5 | 25.1 | ||
| Income | 0.66 | <0.0001 | ||
| <$20,000 | 26.6 | 68.2 | ||
| $20,000-$50,000 | 23.3 | 45.9 | ||
| >$50,000 | 22.6 | 23.2 | ||
| Literacy Level | 0.15 | <0.0001 | ||
| Limited | 27.1 | 64.6 | ||
| Adequate | 21.4 | 34.2 | ||
| Acetaminophen Use | 0.02 | <0.0001 | ||
| None | 22.8 | 41.6 | ||
| Moderate | 19.7 | 41.0 | ||
| Heavy | 34.4 | 64.5 | ||
| Clinic Type | 0.04 | <0.0001 | ||
| Academic | 19.9 | 28.3 | ||
| Community | 27.7 | 63.1 | ||