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Table 3 Likelihood of confidence in safety 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 (66) 52.2 (35) 1.00 33.5 (22) 1.00 14.2 (19) 1.00
 Male (422) 59.1 (249) 1.32 (0.50, 3.54) 29.5 (125) 0.83 (0.43, 1.60) 11.3 (48) 0.77 (0.33, 1.78)
Racial background       
 Caucasian or white (345) 59.3 (205) 1.00 30.1 (104) 1.00 10.7 (37) 1.00
 African American or black (77) 53.6 (41) 0.80 (0.33, 1.93) 32.9 (25) 1.14 (0.64, 2.05) 13.4 (10) 1.30 (0.60, 2.83)
 Other (66) 57.8 (38) 0.94 (0.36, 2.48) 26.7 (18) 0.85 (0.44, 1.64) 15.4 (10) 1.53 (0.67, 3.47)
Age       
 18-24 (153) 58.9 (90) 1.00 23.7 (36) 1.00 17.4 (27) 1.00
 25-29 (118) 49.9 (59) 0.70 (0.30, 1.61) 39.0 (46) 2.06 (1.16, 3.65) 11.1 (13) 0.59 (0.27, 1.29)
 30-39 (149) 61.4 (91) 1.11 (0.47, 2.62) 31.2 (46) 1.46 (0.81, 2.63) 7.4 (11) 0.38 (0.17, 0.84)
 40+ (69) 64.0 (44) 1.25 (0.43, 2.63) 26.3 (18) 1.15 (0.54, 2.43) 9.7 (7) 0.51 (0.21, 1.22)
Education       
 < Bachelor degree (354) 54.3 (192) 1.00 31.9 (113) 1.00 13.8 (49) 1.00
 ≥ Bachelor degree (134) 68.6 (92) 1.84 (0.78, 4.36) 25.2 (34) 0.72 (0.40, 1.29) 6.2 (8) 0.41 (0.19, 0.93)
Rank       
 Enlisted (395) 54.5 (215) 1.00 32.1 (127) 1.00 13.4 (53) 1.00
 Officer (93) 74.0 (69) 2.38 (0.79, 7.21) 21.5 (20) 0.58 (0.27, 1.24) 4.5 (4) 0.30 (0.11, 0.83)
Tobacco Use       
 Current (194) 53.4 (103) 1.00 36.3 (70) 1.00 10.3 (20) 1.00
 Former or never (292) 61.5 (179) 1.39 (0.71, 2.75) 25.6 (75) 0.61 (0.38, 0.96) 12.8 (38) 1.29 (0.70, 2.38)
Overall health       
 Fair / Poor (51) 52.5 (27) 1.00 33.1 (17) 1.00 14.4 (7) 1.00
 Excellent / Good (435) 58.9 (256) 1.30 (0.48, 3.53) 29.6 (129) 0.85 (0.43, 1.68) 11.5 (50) 0.77 (0.33, 1.79)
Fitness level       
 Fair / Poor (115) 44.1 (51) 1.00 40.0 (46) 1.00 15.9 (18) 1.00
 Excellent / Good (373) 62.6 (233) 2.12 (0.95, 4.71) 27.0 (101) 0.56 (0.34, 0.92) 10.4 (39) 0.62 (0.32, 1.18)
Eating habits       
 Fair / Poor (173) 46.0 (80) 1.00 40.0 (69) 1.00 14.0 (24) 1.00
 Excellent / Good (313) 65.0 (203) 2.18 (1.07, 4.43) 24.5 (77) 0.49 (0.31, 0.77) 10.5 (33) 0.72 (0.39, 1.33)
Ever enrolled in AWCP       
 Yes (53) 50.4 (27) 1.00 38.0 (20) 1.00 11.6 (6) 1.00
 No (431) 59.2 (255) 1.43 (0.48, 4.23) 28.9 (125) 0.66 (0.34, 1.32) 11.9 (51) 1.03 (0.40, 2.64)
Last APFT score       
 < 240or unsure (136) 44.9 (62) 1.00 37.5 (52) 1.00 17.7 (24) 1.00
 ≥ 240 (367) 63.5 (221) 2.14 (1.03, 4.46) 27.0 (94) 0.62 (0.39, 0.99) 9.4 (33) 0.49 (0.26, 0.89)
Adverse event       
 No (393) 63.4 (249) 1.00 24.7 (97) 1.00 11.9 (47) 1.00
 Yes (95) 36.8 (35) 0.34 (0.14, 0.79) 52.2 (50) 3.33 (1.95, 5.70) 11.0 (10) 0.92 (0.44, 1.93)