Table 6.

Crude and multivariable adjusted odds ratios (95 % CI for OR) premenstrual syndrome across tertiles of dietary patterns

	Western dietary pattern						Healthy dietary pattern						Traditional dietary pattern
	T1	T2	95 % CI	T3	95 % CI	P for trend	T1	T2	95 % CI	T3	95 % CI	P for trend	T1	T2	95 % CI	T3	95 % CI	P for trend
Crude	1	1·02	0·61, 1·71	1·77	1·05, 2·93	<0·001	1	0·96	0·72, 1·29	0·43	0·31, 0·58	<0·001	1	1·32	0·86, 2·03	2·11	1·37, 3·22	0·002
Model 1*	1	1·22	0·69, 2·14	2·39	1·34, 4·26	<0·001	1	1·15	0·75, 1·79	0·54	0·34, 0·85	0·002	1	1·27	0·81, 2·00	2·25	1·43, 3·55	0·001
Model 2†	1	1·43	0·67, 3·05	1·92	1·03, 4·42	<0·001	1	0·93	0·48, 1·80	0·59	0·29, 1·17	0·205	1	0·58	0·29, 1·16	0·96	0·47, 1·97	0·222
Model 3‡	1	1·36	0·63, 2·94	1·49	1·01, 3·52	<0·001	1	0·75	0·38, 1·49	0·31	0·17, 0·72	0·02	1	0·45	0·22, 0·95	0·33	0·14, 0·77	0·017

^*Model 1: adjusted for age, marital status, education, and socio-economic status.

^†Model 2: adjusted for age, marital status, education, socio-economic status, BMI and physical activity.

^‡Model 3: adjusted for age, marital status, education, socio-economic status, BMI, physical activity and energy intake.