Table 3. Determinants of offspring birth weight (z-score) in women with PCOS, linear regression.

	Birth weight z-score
	Univariable		Multivariable1		Multivariable2
	B	p-value	β (95% CI)	p-value	β (95% CI)	p-value
Maternal age	-0.03	0.40	-0.13 (-0,5–-0,01)	0.01	-0.12 (-0.05–-0.01)	0.002
Maternal BMI	0.14	<0.001	0.18 (0.02–0.04)	<0.001	0.19 (0.02–0.04)	<0.001
Maternal weight	0.19	<0.001
Smoking	-0,06	0.13	-0.07 (-0.70–0.14)	0.06	-0.07 (-0.69–0.02)	0.07
Parity	0.22	<0.001	0.27 (0.27–0.50)	<0.001	0.28 (0.29–0.51)	<0.001
Randomization	0.00	0.93	-0.00 (-0.16–0.15)	0.94	0.00 (-0.15–0.16)	0.97
Fasting glucose, incl	0.07	0.045
2-hour glucose, incl	0.03	0.46
GDM (WHO 1999)	-0.05	0.16			-0.05 (-0.28–0.70)	0.24
GDM (WHO 2013)	0.04	0.28	0.05 (-0.05–0.27)	0.19
Maternal weight gain	0.14	<0.001	0.22 (0.03–0.06)	<0.001	0.22 (0.03–0.06)	<0.001
Total			R2 = 0.126		R2 = 0.131

¹GDM after WHO 2013 criterion,

²GDM after WHO 1999 criterion.