Table 2

Average intakes of antioxidants by case-control status, NECSS, Canada, 1994-1997

Premenopausal

Postmenopausal



Characteristic

Cases (N = 866)

Controls (N = 845)

p

Cases(1496)

Controls (n = 1617)

P

Mean

Mean

Mean

Mean


From diet

Beta-carotene (μg/wk)

31643.6

32369.8

0.55

37831

37648.6

0.89

Vitamin E (mg/wk)

56.4

56.8

0.82

64.2

62.6

0.37

Vitamin C (mg/wk)

1101.2

1137.1

0.38

1184.8

1151.3

0.26

Selenium (μg/wk)

660.2

651.6

0.54

662.9

656.9

0.65

Zinc (mg/wk)

65.7

64.9

0.52

67.1

65.7

0.27

From supplement (years)

Vitamin A

0.88

1.02

0.38

1.02

1.06

0.76

Beta-carotene

0.59

0.77

0.16

0.68

0.76

0.39

Vitamin C

3.22

3.53

0.24

3.85

3.68

0.44

Vitamin E

1.53

1.80

0.16

2.61

2.72

0.56

Zinc

0.60

0.83

0.09

0.57

0.71

0.14

Selenium

0.37

0.47

0.33

0.41

0.41

0.95


Pan et al. BMC Cancer 2011 11:372   doi:10.1186/1471-2407-11-372

Open Data