Supplementary Material 3: Table S3: Many Diagnoses are Significantly and Robustly Associated with All PTBs vs. Term Births. The most significant diagnoses' odds ratios, p-values, robustness percentage
*Low education level means illiteracy or basic education only, namely the Chinese nine-year compulsory education (elementary school education for 6 years and junior high school education for 3 years).
Data on maternal social support (Maternal Interview Form F03A) Study Description Population-based case–control study of the causes and extent of stillbirth (SB) in the United States. Participants were