Table 3 Relationship between maternal exposure to PM_2.5 per 10 μg/m³ and offspring’s anogenital distance in multiple linear regression models

 Full pregnancy

−1.76 (−2.21, − 1.31)

< 0.001

− 1.91 (− 2.57, − 1.24)

< 0.001

 First trimester

0.28 (0.10, 0.45)

0.002

−0.15 (− 0.46, 0.17)

0.353

 Second trimester

− 0.54 (− 0.72, − 0.36)

< 0.001

−0.73 (− 1.06, − 0.40)

< 0.001

 Third trimester

− 0.59 (− 0.77, − 0.40)

< 0.001

− 0.52 (− 0.87, − 0.18)

< 0.001

 Full pregnancy

−2.04 (− 2.50, − 1.59)

< 0.001

− 4.55 (− 5.18, − 3.92)

< 0.001

 First trimester

−0.14 (− 0.31, 0.03)

0.106

− 0.78 (− 1.10, − 0.46)

< 0.001

 Second trimester

−0.29 (− 0.47, − 0.11)

0.002

− 1.11 (− 1.46, − 0.77)

< 0.001

 Third trimester

−0.44 (− 0.62, − 0.27)

< 0.001

− 1.45 (− 1.78, − 1.12)

< 0.001