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Table 3 Meta-regression analysis of the determinants of heterogeneity between study-specific effect estimates

From: Effect of low birth weight on childhood asthma: a meta-analysis

Determinants

Univariate analyses

 

Regression coefficient

95% CI

P value

Geographic area

-0.012

-0.155-0.131

0.853

Study population size

-0.00003

-0.0005-0.0004

0.874

Publication year

0.01

-0.011-0.031

0.330

Adjusted RR

0.035

-0.172-0.242

0.714

Study population age

-0.082

-0.308-0.144

0.440