Table 5. Regression models predicting birth weight in offspring of spouses of male participants (n = 426).

	Model 1a	Model 2	p	Model 3	p	Model 4	p	Model 5	p
Father’s birth weight (kg)		127 (56)	0.024	145 (59)	0.014	132 (59)	0.017	1.13 (1.7)	0.493
Father’s gestational age at birth (weeks)				−14.2 (13.1)	0.280	−16.6 (13.4)	0.215	−17.3 (13.4)	0.198
Mother’s height (cm)						8.7 (5.2)	0.094	29.0 (32.4)	0.371
Mother’s height–by-father’s birth weight								−0.007 (0.01)	0.545
Model adjusted R2	0.033	0.043		0.044		0.051		0.049

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.