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OBJECTIVE: This study evaluates associations between neighborhood-level characteristics and gestational weight gain (GWG) in a population-level study of 2015 New York City births. METHODS: Generalized linear mixed effects models were used to estimate odds ratios for associations between neighborhood-level characteristics (poverty, food environment, walkability) within 1-km of residential Census block centroid and excessive or inadequate GWG as compared to recommended GWG. All models were adjusted for individual-level sociodemographic characteristics. RESULTS: Among the sample of 106,285 births, 41.8% had excessive GWG and 26.3% had inadequate GWG. Residence the highest versus lowest quartile of neighborhood poverty was associated with greater odds of excessive GWG (OR 1.17, 95% CI 1.08, 1.26). Residence in neighborhoods in the quartile of highest walkability compared with the quartile of lowest walkability was associated with lower odds of excessive GWG (OR 0.87, 95% CI 0.81, 0.93). Adjustment for prepregnancy BMI attenuated the associations for neighborhood poverty, but not for walkability. Neighborhood variables were not associated with inadequate GWG. CONCLUSIONS: These analyses indicate that greater neighborhood walkability is associated with lower odds of excessive GWG, potentially from differences in pedestrian activity during pregnancy. This research provides further evidence for using urban design to support healthy weight status during pregnancy. |
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