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Table 2 Likelihood of confidence in efficacy of DS among DS users according to demographics, lifestyle, and health characteristics

From: Confidence in the efficacy and safety of dietary supplements among United States active duty army personnel

  Extremely/Very confident Somewhat confident Not at all confident
  % (N) OR (<99% CI) % (N) OR (<99% CI) % (N) OR (<99% CI)
Sex
 Female (65) 45.1 (29) 1.00 38.4 (25) 1.00 16.4 (11) 1.00
 Male (422) 43.9 (185) 0.95 (0.35, 2.60) 43.0 (181) 1.21 (0.44, 3.34) 13.1 (55) 0.77 (0.22, 2.72)
Racial background
 Caucasian or white (345) 45.2 (156) 1.00 41.4 (143) 1.00 13.4 (46) 1.00
 African American or black (77) 36.0 (28) 0.68 (0.28, 1.69) 48.9 (37) 1.35 (0.55, 3.31) 15.1 (12) 1.16 (0.36, 3.75)
 Other (64) 47.6 (31) 1.10 (0.41, 2.95) 39.9 (26) 0.94 (0.35, 2.51) 12.5 (8) 0.92 (0.23, 3.72)
Age
 18-24 (152) 42.0 (64) 1.00 41.2 (63) 1.00 16.8 (26) 1.00
 25-29 (116) 39.7 (46) 0.91 (0.39, 2.11) 44.0 (51) 1.13 (0.49, 2.63) 16.1 (19) 0.95 (0.31, 2.93)
 30-39 (149) 51.4 (76) 1.46 (0.62, 3.45) 38.7 (58) 0.90 (0.38, 2.17) 9.9 (15) 0.54 (0.16, 1.80)
 40+ (69) 40.4 (28) 0.91 (0.39, 2.11) 49.8 (34) 1.41 (0.48, 4.17) 9.9 (7) 0.54 (0.14, 2.14)
Education
 < Bachelor degree (352) 43.2 (152) 1.00 40.6 (143) 1.00 16.2 (57) 1.00
 ≥ Bachelor degree (134) 46.5 (62) 1.14 (0.49, 2.68) 47.0 (63) 1.30 (0.55, 3.03) 6.5 (9) 0.36 (0.11, 1.25)
Rank
 Enlisted (393) 43.2 (170) 1.00 40.6 (162) 1.00 16.2 (61) 1.00
 Officer (93) 47.4 (44) 1.18 (0.41, 3.40) 47.5 (44) 1.30 (0.45, 3.72) 5.1 (5) 0.29 (0.07, 1.26)
Tobacco Use
 Current (193) 41.4 (80) 1.00 44.9 (87) 1.00 13.7 (26) 1.00
 Former or never (291) 46.0 (134) 1.20 (0.60, 2.40) 40.5 (118) 0.84 (0.42, 1.67) 13.5 (39) 0.99 (0.40, 2.45)
Overall health
 Fair/Poor (50) 31.8 (16) 1.00 48.5 (24) 1.00 19.7 (10) 1.00
 Excellent/Good (435) 45.7 (199) 1.80 (0.62, 5.29) 41.4 (180) 0.75 (0.27, 2.07) 12.9 (56) 0.60 (0.17, 2.09)
Fitness level
 Fair/Poor (114) 28.7 (33) 1.00 50.5 (57) 1.00 20.8 (24) 1.00
 Excellent/Good (373) 48.8 (182) 2.37 (1.01, 5.57) 39.9 (149) 0.65 (0.30, 1.43) 11.3 (42) 0.48 (0.19, 1.27)
Eating habits
 Fair/Poor (170) 30.4 (52) 1.00 53.5 (91) 1.00 16.1 (27) 1.00
 Excellent/Good (314) 51.8 (163) 2.47 (1.19, 5.11) 36.0 (113) 0.49 (0.24, 0.99) 12.2 (38) 0.73 (0.29, 1.82)
Ever enrolled in AWCP
 Yes (53) 36.0 (19) 1.00 50.6 (27) 1.00 13.4 (7) 1.00
 No (429) 45.3 (194) 1.47 (0.48, 4.49) 41.0 (176) 0.68 (0.23, 2.02) 13.7 (59) 1.03 (0.25, 4.19)
Last APFT score
 < 240 or unsure (138) 35.5 (49) 1.00 42.6 (59) 1.00 21.8 (30) 1.00
 ≥ 240 (346) 47.7 (165) 1.66 (0.78, 3.51) 42.0(145) 0.97 (0.47, 2.02) 10.3 (36) 0.41 (0.17, 1.03)
Adverse event
 No (391) 47.1 (184) 1.00 38.3 (150) 1.00 14.7 (57) 1.00
 Yes (95) 31.7 (30) 0.52 (0.22, 1.22) 59.3 (56) 2.35 (1.03, 5.38) 9.00 (9) 0.57 (0.16, 2.02)