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TABLE F-2 Intake of B Vitamins in Free-Living Older Adults (aged ≥ 60 y) Who Were Taking Vitamin Supplements, Boston Nutritional Status Survey, 1981–1984

 

Sample Size

Mean

Standard Deviation

5th Percentile

Thiamin (mg)

Males

Dietary intake

69

1.5

0.5

0.9

Supplement intake

69

9.5

18.3

0.5

Total intake

69

11.0

18.3

1.7

Females

Dietary intake

166

1.2

0.5

0.7

Supplement intake

166

11.7

24.4

0.5

Total intake

166

13.0

24.5

1.6

Riboflavin (mg)

Males

Dietary intake

68

2.0

0.9

1.2

Supplement intake

68

5.5

9.9

0.4

Total intake

68

7.5

9.8

1.8

Females

Dietary intake

166

1.6

0.6

0.9

Supplement intake

166

10.0

21.8

0.5

Total intake

166

11.6

21.8

2.0

Vitamin B6 (mg)

Males

Dietary intake

67

1.5

0.7

0.6

Supplement intake

67

9.8

21.3

0.3

Total intake

67

11.3

21.2

1.6

Females

Dietary intake

168

1.2

0.6

0.4

Supplement intake

168

18.9

58.8

0.7

Total intake

168

20.1

58.9

1.7

Niacin (mg)

Males

Dietary intake

69

22.5

7.4

11.3

Supplement intake

69

46.7

73.5

1.2

Total intake

69

69.2

75.4

22.3

Females

Dietary intake

166

17.9

6.2

10.0

Supplement intake

166

60.3

75.6

5.3

Total intake

166

78.2

75.8

23.7



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