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Table 2 Multivariate logistic regression model of study variables predicting a negative urine test result

From: Adherence with isoniazid for prevention of tuberculosis among HIV-infected adults in South Africa

Variable Parameter estimate OR (95% CI) p value
Intercept -1.84   0.0064
How long since last INH dose? (12-hour increments)? 0.30 1.34 (1.13, 1.59) 0.0007
Statement: INH is dangerous to your health    
Strongly agree/agree -0.48 0.62 (0.21, 1.81) 0.38
Disagree/strongly disagree -1.08 0.34 (0.15, 0.77) 0.0098
Don't know 0 1.00  
Statement: Without INH, your chance of getting sick from TB is:    
High/above average 1.10 3.00 (1.32, 6.79) 0.0086
Average/below average 0.96 2.61 (0.49, 13.8) 0.26
Don't know 0 1.00  
  1. Goodness-of-fit statistic = 4.28 (p = 0.83)