Financial Rewards for Smoking Cessation During Pregnancy and Birth Weight: A Meta-Analysis.

JAMA Netw Open · 2025 · PMC11886724 · PMID 40048164

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did not reach statistical significanceno p-value reported

However, the overall 21-g increase in birth weight and this clinically important 154-g increase among those affected did not reach statistical significance and have therefore largely been ignored by clinicians and policymakers.

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