Table 2

Univariable meta-regression of bupropion studies.

Covariates

Point estimate

Lower 95% limit

Upper 95% limit

OR

Lower 95% limit

Upper 95% limit

p-value

Placebo

2.00

-0.14

4.15

7.38

0.86

63.4

0.07

Sequence generation

-0.46

-0.84

-0.08

0.63

0.43

0.92

0.01

Allocation concealment

-0.20

-0.55

0.14

0.81

0.57

1.15

0.25

CO

0.76

0.06

1.46

2.13

1.06

4.30

0.03

Cotinine

-0.76

-1.46

-0.06

0.46

0.23

0.94

0.03

Planned to quit

0.13

-0.22

0.48

1.13

0.80

1.61

0.46

Legend. The point estimate and 95% CIs estimate the unit change in the effect size, whenever the predicted covariate is present. The OR for the point estimates and 95% CI denote the likelihood of covariate affecting the trial effect size.

Wu et al. BMC Public Health 2006 6:300   doi:10.1186/1471-2458-6-300