Table 2.

Baseline Characteristics by Quintile of Dietary Patterns Among Women of the NHS (1984)

Characteristic	Quintile of the Prudent Pattern			P for Trend	Quintile of the Western Pattern			P for Trend
	1 (Lowest)	3	5 (Highest)		1 (Lowest)	3	5 (Highest)
Age, y	48.3	50.9	52.5	<0.001	52.9	50.5	48.6	<0.001
BMI, kg/m2	24.8	24.9	25.0	<0.001	24.3	24.7	25.5	<0.001
Physical activity, h/wk	2.1	2.4	2.8	0.005	2.7	2.4	2.2	<0.001
Current smoking, %	33.3	22.7	18.1	<0.001	13.9	23.6	36.2	<0.001
Current hormone therapy, %	9.5	11.0	12.3	<0.001	12.7	11.1	9.3	<0.001
History of hypertension, %	19.5	19.9	21.9	<0.001	20.3	19.4	20.9	0.08
Multivitamin supplements, %	30.3	37.2	43.9	<0.001	46.8	36.3	28.3	<0.001
Dietary intake
Alcohol, g/d	7.4	7.0	6.8	<0.001	7.0	7.1	6.9	0.18
PUFA:SFA ratio	0.48	0.55	0.64	<0.001	0.59	0.54	0.52	<0.001
MUFA:SFA ratio	1.01	1.03	1.04	<0.001	1.01	1.03	1.03	<0.001
Trans-fatty acids, g/d	3.8	3.5	2.8	<0.001	2.6	3.5	4.0	<0.001
Fiber, g/d	12.3	16.0	21.3	<0.001	19.8	15.8	13.9	<0.001
Folate, μg/d	207	268	356	<0.001	330	268	229	<0.001

Values are means unless otherwise indicated. Data, except age, were directly standardized to the age distribution of the cohort. PUFA, polyunsaturated fatty acids. SFA, saturated fatty acids. MUFA, monounsaturated fatty acids.