Among nonsmokers, male infants of 677CT genotype mothers were 90.00 g (95% CI: −2.11 to 182.50, P = 0.05) heavier than the infants in the reference category, which was marginally statistically significant, while among passive smokers, female infants of 677TT homozygous mothers were 99.00 g (95% CI: −190.26 to −7.56, P = 0.03) lighter than reference.
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Effects of maternal 5,10-methylenetetrahydrofolate reductase C677T and A1298C Polymorphisms and tobacco smoking on infant birth weight in a Japanese population.
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0.0300
0.0840
The sentences
marginally significantP = 0.084
Carrying the 677T allele was associated with a marginally significant 27.00 g increase in infant birth weight (95% CI: −3.76 to −59.47, P = 0.084).