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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)