Survey | Study | Survey year(s) | N | Reporting timeframe | Prevalence (%) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  |  | Any VM | Multivitamin | Vitamin C | Vitamin E | Calcium | |||||
 |  |  |  |  | Men | Women | Men | Women | Men | Women | Men | Women | Men | Women |
National Health Interview Survey (NHIS) | Subar & Block [57] | 1987 | 9,160 ♂, 12,920 ♀ | Daily Use | 19 | 27 | 15 | 20 | 7 | 8 | 4 | 5 | 3 | 10 |
Slesinski et al. [54] | 1992 | 5,120 ♂, 6,885 ♀ | Daily Use | 20 | 27 | 17 | 22 | 7 | 8 | 4 | 5 | 2 | 8 | |
Millen et al. [55] | 2000 | 34,085 ♂ & ♀ | Daily Use | 29 | 39 | 24 | 33 | 10 | 12 | 10 | 13 | 4 | 17 | |
National Health and Nutrition Survey (NHANES) | Koplan et al. [58] | 1976-1980 | 5,915 ♂, 6,588 ♀ | Use ≥ 1 time/wk | 30 | 40 | ND | ND | ND | ND | ND | ND | ND | ND |
Balluz et al. [59] | 1988-1994 | 33,905 ♂ & ♀ | Use in Last Month | 35 | 44 | ND | ND | ND | ND | ND | ND | ND | ND | |
Radimer et al. [60] | 1999-2000 | 2,260 ♂, 2,602 ♀ | Use in Last month | 46 | 57 | 32 | 38 | 12 | 13 | 12 | 14 | 4 | 16 | |
 | Kennedy et al. [61] | 2007-2008 | 3,364 ♂ & ♀ | Use in Last Month | 42 | 54 | ND | ND | ND | ND | ND | ND | ND | ND |