Table 2.  Prevalence of most commonly used vitamin/mineral supplements.

Author, year

N

Multi-vit and mineral

Multi-vit
(%)

Multi-
mineral
(%)

Vit C
(%)

Iron (%)

Ca

Vit A

B Vits

Vit E

Sobal and Marquart, 1994b

742

-

19

-

25

11

9

9

8

8

Kim and Keen, 1999*

1,355

3.1

27

-

41.2

9.5

10.7

4

2.8

1.2

O’Dea, 2003

78

47.8

-

-

-

-

-

-

-

-

Ziegler et al., 2003

105

61(M),
83 (F)

33 (M),
42 (F)

8 (M),
21 (F)

-

-

-

-

-

-

Bell et al., 2004

333

42.5

-

-

-

-

-

-

-

-

Nieper, 2005

32

-

45

-

35

30

-

-

-

-

Scofield and Unruh, 2006

139

19.4

-

-

-

-

-

-

-

-