Table 3.

Associations between consumption of organic vegetables and risk of pre-eclampsia among 28 192 pregnant women in the Norwegian Mother and Child Cohort Study 2002–2008

	Total n	Pre-eclampsia N (%)	Crude model OR (95% CI)	Adjusted model 1* OR (95% CI)	p Value	Adjusted model 2† OR (95% CI)	p Value
	28 192	1491 (5.3)
Organic vegetables
Low	26 241	1410 (5.4)	1	1		1
High	1951	81 (4.2)	0.76 (0.61 to 0.96)	0.75 (0.60 to 0.95)	0.017	0.79 (0.62 to 0.99)	0.043
Scores on a ‘healthy’ food pattern‡
Tertile 1	8369	556 (6.6)	1	1		1
Tertile 2	9320	480 (5.2)	0.76 (0.67 to 0.87)	0.80 (0.70 to 0.91)		0.81 (0.71 to 0.92)	0.001
Tertile 3	10 503	455 (4.3)	0.64 (0.56 to 0.72)	0.73 (0.64 to 0.84)	0.001	0.74 (0.64 to 0.85)	<0.001
p Trend			<0.001	<0.001	<0.001	<0.001

*Model adjusted for hypertension prior to pregnancy, pre-pregnant body mass index, maternal height, maternal age, maternal education, household income, maternal smoking in pregnancy, total energy intake and gestational weight gain.

†Model adjusted for all of the above and mutual adjustment for organic vegetable consumption and ‘healthy’ food scores.

‡Food pattern described in detail in Torjusen et al.³³