Table 2. Multivariable logistic regression analyses; The risk of PCOS after one point increase in the Preconception Dietary Risk score compared to subfertile controls.

	HA-PCOS			non HA-PCOS
	OR	P value	95% CI	OR	P value	95% CI
Unadjusted:	1.427	0.000	1.183–1.721	0.978	0.805	0.817–1.170
Model I: Adjusted for BMI, ethnicity, education, vitamin supplement use and medication use	1.520	0.000	1.240–1.863	0.937	0.520	0.767–1.143
Model II: Adjusted for age, BMI, ethnicity, education, vitamin supplement use and medication use	1.351	0.007	1.087–1.679	0.866	0.176	0.703–1.067

HA = Hyperandrogenic; OR = Odds Ratio; CI = Confidence Interval; BMI = Body Mass Index.