Intake of dairy protein during pregnancy in IBD and risk of SGA in a Norwegian population-based mother and child cohort

Table 5 SGA by PPDS groups and ORs for SGA in IBD mothers compared to non-IBD, from MoBa 2002–2008

		Distribution of SGA in PPDS groups^a			Odds ratios of SGA in IBD mothers compared to non-IBD
	N (obs)	1	2	3	OR (95% CI)^b Model 1	aOR (95% CI)^c Model 2	aOR (95% CI)^d Model 3	aOR (95% CI)^e Model 4
Non-IBD	68,858	2261 (6.8)	1129 (6.5)	1035 (6.3)
IBD	342	12 (6.9)	7 (8.2)	12 (19.7)	1.48 (0.99, 2.19)	4.50 (2.17, 9.34)	4.26 (2.04, 8.89)	3.17 (1.38, 7.29)
CD	148	8 (6.3)	5 (14.3)	5 (22.2)	1.29 (0.97, 1.70)	2.08 (1.16, 3.73)	2.10 (1.17, 3.77)	1.92 (1.03, 3.58)
UC	194	11 (4.7)	2 (5.7)	8 (25)	1.34 (0.77, 2.32)	4.59 (1.82, 11.63)	4.14 (1.61, 10.64)	2.91 (0.93, 9.09)

^aPPDS groups derived by ranking PPDS into quartiles (q1-q4) with group 1 = q1 + q2, group 2 = q3, group 3 = q4. ^bModel adjusted for education, mothers age and chronic disease (diabetes mellitus and hypertension), smoking status, ^cinteraction term IBD/PPDS included, highest PPDS group as reference group, ^dinadequate GWG included, ^einteraction term IBD/GWG included. GWG Gestational weight gain, PPDS Proportion of protein from dairy sources, SGA Small for gestational age
Plural birth, extreme energy intake and extreme GWG (50 kg < GWG < -30 kg) excluded

ISSN: 1471-230X