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Table 2 Prevalence, frequency and duration of dietary supplements intake by users (n = 85)

From: Dietary supplementation by older adults in southern China: a hospital outpatient clinic study

Category Male users (n = 35) Female users (n = 50) Both genders (n = 85)
    Users Prevalence of daily use Mean duration (SD) in months
Multivitamins and minerals 11 (31.4%) 16 (32%) 27 (31.8%) 70.4% 66.1 (100.2)
Vitamin C 5 (14.3%) 7 (14%) 12 (14.1%) 91.7% 89.4 (135.6)
Vitamin E 4 (11.4%) 9 (18%) 13 (15.3%) 76.9% 42.5 (52.4)
Fish oil 9 (25.7%) 16 (32%) 25 (29.4%) 66.7% 28.2 (36.1)
Calcium 14 (40.0%) 31 (62%) 45 (52.9%) 66.7% 24.3 (23.2)
Miscellaneous* 6 (17.1%) 6 (12%) 12 (14.1%) 75.0% 29.9 (50.8)
  1. * includes vitamin A, garlic, ganoderma lucidum, propolis, cordyceps, ginseng and panax notoginseng