Crude | Model Ia | Model IIb |
---|
PROM |
1st trimester | 1.02 (0.97, 1.06) | 1.00 (0.95, 1.05) | 1.14 (1.02, 1.26) c |
2nd trimester | 1.00 (0.96, 1.05) | 1.09 (1.00, 1.18) | 1.09 (1.00, 1.18) d |
3rd trimester | 1.03 (0.99, 1.08) | 1.03 (0.98, 1.08) | 1.13 (1.03, 1.24) e |
Whole pregnancy | 1.09 (0.99, 1.20) | 1.35 (1.12, 1.63) | – |
PPROM |
1st trimester | 1.04 (0.95, 1.13) | 0.97 (0.87, 1.09) | 1.17 (0.94, 1.45) c |
2nd trimester | 1.05 (0.96, 1.14) | 1.12 (0.93, 1.35) | 1.11 (0.92, 1.33) d |
3rd trimester | 1.07 (0.98, 1.18) | 1.07 (0.97, 1.18) | 1.19 (0.99, 1.44) e |
Whole pregnancy | 1.31 (1.06, 1.62) | 1.53 (1.03, 2.27) | – |
- OR Odds Ratio, CI Confidence Interval
- PROM Premature rupture of membranes, PPROM Preterm premature rupture of membranes
- aModel I adjusted for: year of birth, season of conception, maternal age, parity, maternal anemia, preeclampsia, gestational diabetes, and history of obstetrical-gynecological pathology
- bModel II adjusted for Model I plus mean concentration of PM2.5 in the other two trimesters
- cModel I plus mean concentration of PM2.5 in the 2nd and 3rd trimesters
- dModel I plus mean concentration of PM2.5 in the 1st and 3rd trimesters
- eModel I plus mean concentration of PM2.5 in the 1st and 2nd trimesters