Figure S1. Flowchart of final study population. Table S1. Temporal Trends in Preterm Birth Incidence Rates and Proportion of Preterm Birth Subtypes in Shenzhen, China, 2003-2012. Table S2. Sensitivity Analysis for Temporal Trends for Overall Preterm Birth Incidence Rates in Shenzhen, China, during 2003-2012. Table S3. Analysis of Factors Contributing to Changing Preterm Birth Incidence Rates in Shenzhen, 2003-2012. (DOCX 51 kb
Trends of preeclampsia incidence according to different ages between 2001 and 2014 (blue: 15–25-year...
Interview Guide for Mothers. A semi-structured interview guide for mothers participating in the stud...
The odds ratio of spontaneous abortion associated different socioeconomic status, by urban. (DOCX 14...
Multivariable regression analysis identifying factors associated with preterm birth in Hubei Provinc...
Table S2. Excess risks (ERs) and 95% confidence intervals of preterm birth per IQR increment in air ...
Table S3. Difference of estimates and 95% confidence intervals (95% CIs) of air pollutants on risk o...
Table S1. Association between cumulative air pollution concentrations and risk of preterm birth. (DO...
Screening criteria to identify the study population from the California Birth Statistical Master Fil...
Table S1. Comparison of characteristics among women remained in the present study and those who miss...
Likelihood of preterm birth listed as adjusted odds ratio (with 95% confidence interval in parenthes...
Figure S1. Location of air quality monitor stations in Ningbo city. (PDF 13330 kb
Likelihood of preterm birth listed as adjusted odds ratios (with 95% confidence interval in parenthe...
Additional file 1: Table S1. Prevalence of reproductive tract infections among 439,372 women of chil...
Questionnaire of maternal and childrenâs health in China-Anhui Birth Cohort Study (DOCX 25 kb
Table S2. Subgroup analysis of comparison of adverse pregnancy outcome between different gestational...
Trends of preeclampsia incidence according to different ages between 2001 and 2014 (blue: 15–25-year...
Interview Guide for Mothers. A semi-structured interview guide for mothers participating in the stud...
The odds ratio of spontaneous abortion associated different socioeconomic status, by urban. (DOCX 14...
Multivariable regression analysis identifying factors associated with preterm birth in Hubei Provinc...
Table S2. Excess risks (ERs) and 95% confidence intervals of preterm birth per IQR increment in air ...
Table S3. Difference of estimates and 95% confidence intervals (95% CIs) of air pollutants on risk o...
Table S1. Association between cumulative air pollution concentrations and risk of preterm birth. (DO...
Screening criteria to identify the study population from the California Birth Statistical Master Fil...
Table S1. Comparison of characteristics among women remained in the present study and those who miss...
Likelihood of preterm birth listed as adjusted odds ratio (with 95% confidence interval in parenthes...
Figure S1. Location of air quality monitor stations in Ningbo city. (PDF 13330 kb
Likelihood of preterm birth listed as adjusted odds ratios (with 95% confidence interval in parenthe...
Additional file 1: Table S1. Prevalence of reproductive tract infections among 439,372 women of chil...
Questionnaire of maternal and childrenâs health in China-Anhui Birth Cohort Study (DOCX 25 kb
Table S2. Subgroup analysis of comparison of adverse pregnancy outcome between different gestational...
Trends of preeclampsia incidence according to different ages between 2001 and 2014 (blue: 15–25-year...
Interview Guide for Mothers. A semi-structured interview guide for mothers participating in the stud...
The odds ratio of spontaneous abortion associated different socioeconomic status, by urban. (DOCX 14...