Table 2.

Rate ratios and 95% confidence intervals comparing different levels of chocolate intake to those reporting no chocolate intake

Chocolate Intake	Cases	Person Years	Model 1*	Model 2†
None	93	40497.61	1.00 (reference)	1.00 (reference)
1–3 servings per month	194	147768.51	0.71 (0.56–0.91)	0.74 (0.58–0.95)
1–2 servings per week	78	66935.77	0.66 (0.48–0.89)	0.68 (0.50–0.93)
3–6 servings per week	36	17791.75	1.02 (0.69–1.51)	1.09 (0.74–1.62)
≥1 servings per day	18	4285.00	1.14 (0.68–1.90)	1.23 (0.73–2.08)
P for Quadratic Trend			0.0003	0.0005

^*Cox proportional hazards model adjusted for total energy intake (linear term) and accounting for age.

^†Additionally adjusted for education (less than high school, high school, university), body mass index (linear term), physical activity (linear term), cigarette smoking (current, past, never), living alone (yes, no), postmenopausal hormone use (yes, no), alcohol intake (linear term), family history of myocardial infarction before 60 years (yes, no), self-reported history of hypertension (yes, no), and self-reported history of high cholesterol (yes, no).