Outcome | Predictor | k | n | Effect size | 95Â % CI lb | 95Â % CI ub |
---|---|---|---|---|---|---|
Doping intentions | Situational temptationsc | 4 | 2535 | 0.72a | 0.69 | 0.75 |
 | Attitudes | 4 | 2535 | 0.60a | 0.56 | 0.63 |
 | Subjective normsc | 4 | 2535 | 0.50a | 0.45 | 0.55 |
 | Descriptive norms | 1 | 650 | 0.17a | 0.09 | 0.24 |
 | PBC | 3 | 1885 | 0.27a | 0.20 | 0.33 |
 | Past behaviour | 1 | 1075 | 0.29a | 0.23 | 0.34 |
 | Mastery avoidance | 1 | 750 | 0.09a | 0.02 | 0.16 |
 | Anticipated regret | 1 | 650 | −0.48a | −0.54 | −0.42 |
Doping susceptibility | Attitudes | 4 | 1905 | 0.47a | 0.32 | 0.59 |
 | Subjective normsc | 2 | 1038 | 0.48a | 0.39 | 0.57 |
 | Current behaviour | 1 | 729 | 0.54a | 0.48 | 0.58 |
 | User favourability | 1 | 729 | 0.50a | 0.44 | 0.55 |
 | User similarity | 1 | 729 | 0.49a | 0.43 | 0.54 |
 | Competition level | 1 | 729 | −0.15a | −0.22 | −0.08 |
 | Mastery approach/deception | 1 | 309 | 0.29a | 0.18 | 0.39 |
 | Descriptive norms | 1 | 309 | 0.18a | 0.07 | 0.29 |
 | MDE | 1 | 224 | 0.25a | 0.12 | 0.37 |
 | Controlling coach climatec | 1 | 224 | 0.20a | 0.07 | 0.32 |
Doping behaviour | Attitudes | 3 | 2,076 | 0.30a | 0.16 | 0.42 |
 | Sportspersonship | 1 | 1201 | −0.23a | −0.28 | −0.18 |
 | SDT (only extrinsic)c | 1 | 1201 | 0.11a | 0.05 | 0.17 |
 | Situational temptation (availability)c | 1 | 974 | 17.1b | 8.4 | 34.9 |
 | Descriptive norms | 1 | 974 | 3.0b | 2.0 | 4.7 |
 | Age (≤18 years) | 1 | 757 | 4.27b | n.a. | n.a. |
 | Gender (male) | 1 | 757 | 1.65b | n.a. | n.a. |
 | Knowledge (better) | 1 | 757 | 1.19b | n.a. | n.a. |
 | Doping beliefs | 1 | 199 | 0.40a | 0.28 | 0.51 |
 | Current behaviour | 1 | 72 | 0.26a | 0.03 | 0.47 |