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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Br J Nutr. 2009 Dec 14;103(7):1049–1055. doi: 10.1017/S0007114509992674

Table 2.

Dietary glycemic index, dietary glycemic load and incidence of myocardial infarction

Median Cases Person-years Age-adjusted incidence rate ratio (95% CI)* Multivariable-adjusted incidence rate ratio (95% CI)
Dietary glycemic index
 Quartile 1 69.5 229 78,498 1 (reference) 1 (reference)
 Quartile 2 73.3 246 78,575 1.04 (0.87–1.25) 1.06 (0.88–1.27)
 Quartile 3 76.1 295 77,914 1.10 (0.93–1.31) 1.11 (0.92–1.33)
 Quartile 4 79.9 368 76,515 1.16 (0.98–1.37) 1.12 (0.92–1.35)
P-trend 0.06 0.24
Dietary glycemic load
 Quartile 1 131 229 78,423 1 (reference) 1 (reference)
 Quartile 2 150 264 78,187 1.06 (0.89–1.27) 1.14 (0.93–1.39)
 Quartile 3 164 296 77,858 1.07 (0.90–1.27) 1.18 (0.94–1.50)
 Quartile 4 184 349 77,035 1.09 (0.92–1.29) 1.22 (0.90–1.65)
P-trend 0.34 0.23
*

Cox proportional hazards model accounting for age.

Additionally adjusted for education (less than high school, high school, university), BMI (linear term), physical activity (linear term), cigarette smoking (current, past, never), living alone (yes, no), postmenopausal hormone use (yes, no), aspirin use (yes, no), total energy intake (linear term), alcohol intake (linear term), fiber intake (linear term), saturated fat (linear term), polyunsaturated fat (linear term), protein (linear term), carbohydrate (linear term, dietary glycemic index only), 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)

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