Table 2.

Odds ratios for large-for-gestational-age over time (per 10 years*) among singleton livebirths with and without adjustment for hyperglycaemia in pregnancy between 1987 and 2016.

	OR (95% CI, p-value) for large-for-gestational-age over time*
	Model 1†	Model 1 + GDM	Model 1 + pre-existing diabetes	Model 1 + GDM + pre-existing diabetes
Aboriginal mothers (n = 33 714)	1 · 12 (1 · 06–1 · 19, p<0 · 001)	1 · 08 (1 · 02–1 · 14, p = 0 · 010)	1 · 07 (1 · 01–1 · 14, p = 0 · 016)	1 · 02 (0 · 96–1 · 08, p = 0 · 510)
Non-Aboriginal mothers (n = 61 479)	1 · 12 (1 · 08–1 · 16, p<0 · 001)	1 · 11 (1 · 07–1 · 15, p<0 · 001)	1 · 12 (1 · 08–1 · 16, p<0 · 001)	1 · 11 (1 · 07–1 · 15, p<0 · 001)

ORs calculated using multivariable logistic regression. *Year of birth as a continuous variable divided by 10. †Adjusted for parity, gestation at first antenatal review, remote or rural location, and maternal age. OR = odds ratio, GDM = gestational diabetes mellitus.