showed a trendp=0.062
Straw handling showed a trend (p=0.062) with increased PM100 exposure.
Straw handling showed a trend (p=0.062) with increased PM100 exposure.
Marginally statistically significant positive effects were found for trimester 2 PM2.5 exposure on the risk of delivering very PTB (28-31 weeks gestation) and moderate-to-late PTB (32-36 weeks gestation).