Table 5.

Associations of BPS concentrations with glucose levels, stratified by fetal sex^a.

BPS	FPG		1 h PG		2 h-PG		Sum of PG z-scores
	b (95% CI)	p	b (95% CI)	p	b (95% CI)	p	b (95% CI)	p
WOMEN WITH FEMALE FETUS (n = 865)
Per-unit increase in ln (SG-adj BPS)	0.04 (0.02, 0.06)	<0.01*	0.11 (0.04, 0.17)	<0.01*	0.04 (−0.01, 0.10)	0.13	0.19 (0.08, 0.30)	<0.01*
Low	Reference		Reference		Reference		Reference
Medium	0.04 (−0.04, 0.12)	0.31	0.07 (−0.18, 0.31)	0.60	0.00 (−0.21, 0.21)	1.00	0.11 (−0.27, 0.50)	0.56
High	0.11 (0.03, 0.19)	<0.01*	0.28 (0.04, 0.52)	0.02*	0.08 (−0.13, 0.28)	0.46	0.45 (0.07, 0.84)	0.02*
p for trend		<0.01*		0.02*		0.40		0.02*
WOMEN WITH MALE FETUS (n = 976)
Per-unit increase in ln (SG-adj BPS)	0.01 (−0.01, 0.03)	0.15	−0.01 (−0.08, 0.05)	0.66	−0.01 (−0.06, 0.04)	0.59	−0.03 (−0.12, 0.06)	0.56
Low	Reference		Reference		Reference		Reference
Medium	0.03 (−0.04, 0.10)	0.41	0.20 (−0.03, 0.44)	0.09	−0.04 (−0.22, 0.15)	0.70	0.14 (−0.20, 0.48)	0.42
High	0.00 (−0.07, 0.07)	0.99	0.03 (−0.21, 0.26)	0.82	−0.05 (−0.23, 0.14)	0.63	−0.05 (−0.39, 0.29)	0.78
p for trend		0.73		0.66		0.7		0.51
p for interactionb		0.03*		<0.01*		0.11		<0.01*

SG, specific gravity; FPG, fasting plasma glucose; PG, plasma glucose.

^aAdjusted for maternal age, pre-pregnancy BMI, educational levels, parity, passive smoking.

^bp for interaction was calculated using the interaction term of ln (SG-adj BPS)*sex

^*Significant p-value.