Table 7.

Hazard Ratios and 95% Confidence Intervals for the Association of Waist-Hip Ratio With Incident Diabetes and Coronary Heart Disease in a Biracial Cohort of Men and Women, the Atherosclerosis Risk in Communities Study^a

	Quintile of Waist-Hip Ratio									P trend
	1	2		3		4		5
	Referent	HR	95% CI	HR	95% CI	HR	95% CI	HR	95% CI
Incident diabetes, 1987–1998
No. of participants	2,042	2,057		2,043		2,022		2,015
Events	63	139		213		307		450
Person-years	16,504	16,227		15,769		15,268		14,176
Waist-hip ratio	1.00	2.21	1.64, 2.98	3.34	2.52, 4.43	4.87	3.70, 6.40	7.65	5.85, 10.00	<0.0001
Incident coronary heart disease, 1987–2003
No. of participants	2,145	2,169		2,156		2,142		2,155
Events	143	185		229		254		297
Person-years	30,874	31,026		30,505		30,129		29,631
Waist-hip ratio	1.00	1.22	98, 1.52	1.47	1.19, 1.81	1.54	1.25, 1.90	1.73	1.41, 2.13	<0.0001

Abbreviations: CI, confidence interval; HR, hazard ratio.

^aAdjusted for age, race, sex, clinical center, level of education (≤high school graduate, >high school graduate), current smoking status at baseline (yes, no) and pack-years of cigarette smoking (quartiles), alcohol consumption (none vs. any), family history of diabetes (yes, no, unknown), baseline menopausal status (yes, no) and baseline hormone use by women (current yes, no), Keys’ score (quintiles), cereal fiber (grams per day in quintiles), fruit and vegetable intake (servings per day in quintiles), physical activity (score of ≥2 or < 2 on the Baecke sport index).