Fig. 2

Trimester-specific analysis: associations between antepartum depression status and noise exposure in each trimester ^aAdjusted for age at enrollment, household income, ethnicity, marital status, level of education, pre-pregnancy BMI, parity, smoking status, sleep quality score, and stress in the 1st trimester. ^bAdjusted for age at enrollment, household income, ethnicity, marital status, level of education, pre-pregnancy BMI, parity, smoking status, sleep quality score, and stress in the 2nd trimester. ^cAdjusted for age at enrollment, household income, ethnicity, marital status, level of education, pre-pregnancy BMI, parity, smoking status, sleep quality score, and stress in the 3rd trimester. Abbreviations: OR, odds ratio; CI, confidence interval; BMI, body mass index ^***P < 0.001; ^**P < 0.01; ^*P < 0.05