Table 3.

Incidence of primary outcome according to clinical factors.

Variable	Total N	No macrosomia		Macrosomia N%		Crude	p
	N	N	%	N	%	OR (95% CI)
Age >35 years	4629	4237	91.5	392	8.5	1.09(0.98–1.22)	0.124
Obese pre-pregnancy	3965	3374	85.1	591	14.9	2.27(2.06–2.50	<.0001
Overweight pre-pregnancy	7667	6852	89.4	815	10.6	1.51(1.39–1.64)	<.0001
Obesity at end of pregnancy	6951	5902	84.9	1049	15.1	2.68(2.47–2.90)	<.0001
Overweight at end of pregnancy	9860	8918	90.4	942	9.6	1.33(1.22–1.44)	<.0001
Normal weight at end of pregnancy	18268	17458	95.6	810	4.4	0.35(0.32–0.38)	<.0001
Excessive gestational weight gain	11422	9937	87.0	1485	13.0	2.53(2.32–2.77)	<.0001
Pregestational diabetes	304	260	85.5	44	14.5	2.01(1.46–2.77)	<.0001
Gestational diabetes	9252	8235	89.0	1017	11.0	1.60(1.48–1.73)	<.0001
Multiparity	3634	3272	90.0	362	10.0	1.33(1.18–1.49)	<.0001
Prolonged pregnancy	2086	1678	80.4	408	19.6	3.09(2.75–3.46)	<.0001
Male newborn	21802	19628	90.0	2174	10.0	1.83(1.70–1.97)	<.0001