Table 7.

 Odds ratios (95% confidence interval) of healthy survival associated with waist to hip ratio assessed in 1986 in Nurses’ Health Study*

	<0.73	0.73-0.75	0.76-0.77	0.78-0.79	≥0.8	P for trend†
Case/No	242/1292	237/1352	143/1103	153/1157	308/3451	—
Age adjusted	1.0	0.94 (0.77 to 1.14)	0.70 (0.56 to 0.87)	0.71 (0.57 to 0.88)	0.49 (0.41 to 0.58)	<0.001
Multivariable‡	1.0	1.00 (0.82 to 1.22)	0.83 (0.66 to 1.04)	0.84 (0.67 to 1.05)	0.68 (0.56 to 0.83)	<0.001

*Baseline was 1986.

†Estimates of P value for linear trend based on linear scores derived from medians of each waist:hip ratio category.

‡Multivariable model adjusted as in table 3 plus BMI at baseline.