Table 4

Likelihood of confidence in efficacy and safety of DS according to knowledge of federal government regulation Does the U.S. government require dietary supplements sold will work as promised?
Confidence in DS efficacy
Extremely/Very confident Somewhat confident Not at all confident
% (N) OR (<99% CI) % (N) OR (<99% CI) % (N) OR (<99% CI)
Yes (20) 66.9 (14) 1.00 28.8 (6) 1.00 4.3 (1) 1.00
No (269) 44.8 (121) 0.40 (0.11, 0.99) 44.7 (120) 2.00 (0.66, 6.08) 10.5 (28) 2.60 (0.33, 20.9)
Don’t know (187) 39.9 (74) 0.33 (0.14, 1.19) 40.9 (76) 1.72 (0.56, 5.30) 19.2 (36) 5.25 (0.65, 42.1)
Does the U.S. government require dietary supplements sold are safe to consume?
Confidence in DS safety
Extremely/Very confident Somewhat confident Not at all confident
% (N) OR (<99% CI) % (N) OR (<99% CI) % (N) OR (<99% CI)
Yes (177) 68.5 (121) 1.00 27.8 (49) 1.00 3.6 (6) 1.00
No (134) 58.6 (79) 0.65 (0.38, 1.12) 28.5 (38) 1.03 (0.57, 1.86) 12.9 (17) 3.94 (1.47, 10.5)
Don’t know (169) 48.2 (82) 0.43 (0.26, 0.71) 32.1 (54) 1.23 (0.72, 2.08) 19.7 (33) 6.53 (2.58, 16.5)

Carvey et al.

Carvey et al. BMC Complementary and Alternative Medicine 2012 12:182   doi:10.1186/1472-6882-12-182

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