Table 1.

Univariate logistic regression analyses of study variables showing a significant association with a negative urine test result

Variable	OR (95% CI)	p value
How long since last INH dose? (12-hour increments)?	1.33 (1.13, 1.57)	0.0007
Statement: INH is dangerous to your health
Strongly agree/agree	0.71 (0.29, 1.75)	0.45
Disagree/strongly disagree	0.47 (0.25, 0.90)	0.021
Don't know	1.00
Do you ever forget to take INH?	2.0 (1.02, 3.99)	0.043