Table 1

Basic characteristics of first AMI survivors and matched controls in a case control study, Costa Rica, 1994 - 2004
Variables Cases (n=1999) Controls (n=1999)
Age (Years) 59 (11)a 58 (11)
Female(%) 27.5 27.5
Area of residence, % urban 39 39
Income (US$/mo) 502 (382) 570 (418)
Waist-to-hip ratio 0.97 (0.07) 0.95 (0.08)
Current smoker (%) 39.4 20.6
Hypertension (%) 39.0 30.4
Diabetes (%) 25.0 14.5
Hypercholesterolemia (%) 30.2 27.3
Dietary variables
 Total fat, % energy 32.5 (5.8) 31.9 (5.8)
 Saturated fat, % energy 12.5 (3.1) 11.7 (2.9)
 Monounsaturated fat, % energy 11.2 (3.5) 11.3 (4.1)
 Polyunsaturated fat, % energy 6.9 (2.3) 7.1 (2.3)
 Carbohydrate, % energy 54.4 (7.5) 55.4 (7.2)
 Protein, % energy 13.2 (2.2) 13.0 (2.1)
 Fiber (g/day) 25.1 (9.2) 24.0 (8.7)
Total calorie intake (kcal/day) 2703 (947) 2432 (751)

a Mean (SD).

Gong et al.

Gong et al. BMC Public Health 2013 13:122   doi:10.1186/1471-2458-13-122

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