Regression models predicting birth weight in offspring of spouses of male participants (n = 426).

Values are β (SE). aBase model adjusts for mother’s age, first born, born early, born late, male baby, worked during pregnancy, prenatal care during pregnancy.统计值为β（标准误（Standard Error））。 基准模型已针对产妇年龄、是否为头胎、早产、过期产、男婴、孕期是否工作以及孕期产前检查情况进行了协变量调整。