Table 3.

Factors in Unsafe Completion of Acetaminophen Dosing Measures

Variable	Incorrectly identifying active ingredient		Unsafely completing dosing tasks		Exceeding maximum dose in 24hrs
	Adj. Relative Risk	95% CI	Adj. Relative Risk	95% CI	Adj. Relative Risk	95% CI
Literacy
Adequate	Ref	---	Ref	---	Ref	---
Limited	7.37	3.02 – 8.00	1.13	1.00 – 1.28	1.46	0.89 – 2.40
Age
20–23 years	Ref	---	Ref	---	Ref	---
18–19 years	0.92	0.51 – 1.67	1.05	0.90 – 1.23	0.67	0.34 – 1.33
16–17 years	0.85	0.43 – 1.67	1.08	0.92 – 1.27	0.66	0.34 – 1.27
Gender
Male	Ref	---	Ref	---	Ref	---
Female	1.15	0.64 – 2.07	1.05	0.92 – 1.19	1.87	1.15 – 3.06
Race
NH-White	Ref	---	Ref	---	Ref	---
NH-Black	1.57	0.81 – 3.05	1.16	1.01 – 1.34	0.94	0.56 – 1.58
Hispanic	1.40	0.56 – 3.53	1.09	0.90 – 1.32	0.88	0.44 – 1.78
Other	0.34	0.04 – 2.63	1.31	1.11 – 1.54	0.17	0.03 – 1.03
Education
Some College	Ref	---	Ref	---	Ref	---
High School Grad or GED	0.44	0.11 – 1.78	1.04	0.83 – 1.31	1.32	0.59 – 2.96
< High School	0.62	0.33 – 1.14	1.04	0.88 – 1.23	1.15	0.56 – 2.34
Health Insurance
Private	Ref	---	Ref	---	Ref	---
Public	2.50	1.16 – 5.40	0.97	0.83 – 1.12	0.85	0.49 – 1.48
No Insurance	0.72	0.20 – 2.57	1.04	0.87 – 1.26	0.33	0.11 – 0.98
Don’t Know	1.82	0.60 – 5.51	1.16	0.99 – 1.35	1.59	0.93 – 2.71
Used OTC in Last Month
Yes	Ref	---	Ref	---	Ref	---
No	1.83	1.10 – 3.05	1.11	0.99 – 1.25	1.16	0.72 – 1.87