Table 1

Random effects meta-regression analysis of studies examining the effect of smoke-free legislation on acute myocardial infarction
Variable Univariate model Multivariate model
Coefficient (95% CI) p value Coefficient (95% CI) p value
Study population
≥500 000
<500 000 0.060(−0.023 to 0.142) 0.157 0.048(−0.022 to 0.118) 0.176
Study location
US
Non-US 0.133(0.057 to 0.209) 0.001 0.124(0.049 to 0.199) 0.001
Publication Year −0.018(−0.042 to 0.006) 0.134 −0.005(−0.028 to 0.018) 0.683
Smoking decrease −0.028(−0.052 to-0.003) 0.028 −0.027(−0.049 to −0.006) 0.014

Lin et al.

Lin et al. BMC Public Health 2013 13:529   doi:10.1186/1471-2458-13-529

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