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Table 4 Participant responses to confidence in choosing appropriate supplementation by demographic groups
| Agree | Neutral | Disagree | Don’t know | Odds ratio, raw (95% CI)a | Odds ratio, adjusted (95% CI)b | |
|---|---|---|---|---|---|---|
| Geographic location (n = 631)cd | ||||||
| East | 123 (51.0) | 58 (24.1) | 17 (7.1) | 43 (17.8) | Ref | Ref |
| West | 165 (42.3) | 112 (28.7) | 70 (18.0) | 43 (11.0) | 0.70 (0.51, 0.97)* | 0.60 (0.40, 0.89)* |
| Sex (n = 623) | ||||||
| Male | 136 (44.4) | 87 (28.4) | 42 (13.7) | 41 (13.4) | Ref | Ref |
| Female | 149 (47.0) | 81 (25.6) | 45 (14.2) | 42 (13.3) | 1.10 (0.81, 1.52) | 0.98 (0.69, 1.38) |
| Age group (n = 593) | ||||||
| 21–39 | 84 (44.9) | 64 (34.2) | 20 (10.7) | 19 (10.2) | Ref | Ref |
| 40–59 | 131 (44.1) | 73 (24.6) | 45 (15.2) | 48 (16.2) | 0.97 (0.67, 1.40) | 0.86 (0.58, 1.27) |
| 60-75 | 70 (50.7) | 28 (20.3) | 22 (15.9) | 18 (13.0) | 1.26 (0.81, 1.96) | 1.17 (0.73, 1.86) |
| BMI (n = 600) | ||||||
| Normal weight | 123 (46.6) | 78 (29.6) | 28 (10.6) | 35 (13.3) | Ref | Ref |
| Overweight | 85 (41.9) | 58 (28.6) | 32 (15.8) | 28 (13.8) | 0.83 (0.57, 1.19) | 0.78 (0.53, 1.16) |
| Obese | 80 (48.8) | 34 (20.7) | 27 (16.5) | 23 (14.0) | 1.09 (0.74, 1.61) | 0.97 (0.63, 1.48) |
| Supplement use (n = 631) | ||||||
| No | 68 (48.00) | 47 (27.7) | 19 (11.2) | 36 (21.2) | Ref | Ref |
| Yes | 220 (47.7) | 123 (26.7) | 68 (14.8) | 50 (10.9) | 0.84 (0.72, 0.98)* | 1.32 (0.88, 1.98) |
| Physical activity (n = 625) | ||||||
| Yes | 232 (46.7) | 135 (27.2) | 68 (13.7) | 62 (12.5) | 1.30 (0.87, 1.96) | 1.23 (0.80, 1.89) |
| No | 47 (40.2) | 33 (28.2) | 16 (13.7) | 21 (18.0) | Ref | Ref |
| Alcohol use (n = 638) | ||||||
| Yes | 181 (44.3) | 114 (27.9) | 65 (15.9) | 49 (12.0) | 0.86 (0.62, 1.19) | 0.95 (0.66, 1.36) |
| No | 104 (47.9) | 54 (24.9) | 22 (10.1) | 37 (17.1) | Ref | Ref |
| Tobacco use (n = 637) | ||||||
| Yes | 34 (43.6 | 21 (26.9) | 147 (26.9) | 17 (21.8) | 0.91 (0.56, 1.47) | 0.77 (0.45, 1.33) |
| No | 251 (45.9) | 147 (26.9) | 80 (14.6) | 69 (12.6) | Ref | Ref |
