. 2014 Jul 17;180(6):616–625. doi: 10.1093/aje/kwu173

Table 5.

Multivariate Hazard Ratios^a for Mortality Risk Comparing the Highest Versus the Lowest Quintile of Scores on 4 Diet Quality Indices Stratified by Body Mass Index^b Category Among 63,115 Women in the Women's Health Initiative Observational Study, 1993–2010

Cause of Death by Diet Quality Index	BMI <25 (n = 26,551)			BMI 25–29.9 (n = 21,628)			BMI ≥30 (n = 14,936)			P_interaction^c
Cause of Death by Diet Quality Index	HR	95% CI	P Value	HR	95% CI	P Value	HR	95% CI	P Value	P_interaction^c
HEI^d
All causes	0.72	0.62, 0.82	<0.0001	0.84	0.73, 0.98	0.022	0.81	0.67, 0.97	0.023	0.369
CVD	0.74	0.56, 0.98	0.038	0.72	0.52, 1.00	0.047	0.87	0.61, 1.23	0.420	0.665
Cancer	0.79	0.64, 0.97	0.027	0.68	0.53, 0.86	0.001	0.90	0.68, 1.18	0.438	0.407
AHEI
All causes	0.78	0.68, 0.90	0.0004	0.80	0.68, 0.92	0.003	0.97	0.82, 1.16	0.758	0.043
CVD	0.82	0.62, 1.09	0.172	0.70	0.51, 0.96	0.025	0.93	0.66, 1.30	0.661	0.674
Cancer	0.89	0.72, 1.10	0.283	0.82	0.65, 1.03	0.095	1.19	0.92, 1.55	0.194	0.044
aMED
All causes	0.67	0.59, 0.77	<0.0001	0.74	0.64, 0.86	0.0001	0.86	0.73, 1.02	0.078	0.128
CVD	0.81	0.62, 1.07	0.138	0.60	0.44, 0.81	0.0008	0.99	0.73, 1.36	0.972	0.836
Cancer	0.73	0.59, 0.90	0.003	0.78	0.62, 0.98	0.032	0.98	0.75, 1.27	0.868	0.331
DASH^d
All causes	0.67	0.59, 0.77	<0.0001	0.80	0.69, 0.95	0.003	0.89	0.75, 1.05	0.156	0.002
CVD	0.71	0.54, 0.93	0.013	0.81	0.60, 1.08	0.148	0.75	0.54, 1.04	0.082	0.287
Cancer	0.69	0.56, 0.84	0.0002	0.73	0.58, 0.92	0.007	1.13	0.87, 1.46	0.374	0.001

Abbreviations: AHEI, Alternative Healthy Eating Index 2010; aMED, Alternate Mediterranean Diet Score; BMI, body mass index; CI, confidence interval; CVD, cardiovascular disease; DASH, Dietary Approaches to Stop Hypertension; HEI, Healthy Eating Index 2010; HR, hazard ratio.

^a Adjusted for age, energy intake, ethnicity, educational level, marital status, smoking, physical activity, postmenopausal hormone replacement therapy, and diabetes.

^b Weight (kg)/height (m)².

^c P value for Wald χ² for interaction term at 8 df.

^d Additionally adjusted for alcohol intake because alcohol was not included as a separate component in index.