SPSI factor loadings
| Item | Factor 1—mentally healthy environment | Factor 2—mental health literacy | Factor 3—low self-stigma |
| My sport setting provides a supportive environment to disclose MH problems (2) | 0.906 | 0.063 | −0.003 |
| My sport setting is a safe space to disclose MH problems (1) | 0.792 | 0.072 | 0.075 |
| Leadership staff in my sport take MH seriously (3) | 0.783 | −0.032 | −0.051 |
| Those in my sport setting would be supportive about MH problems (9) | 0.774 | 0.019 | 0.099 |
| I know the MH signs I should keep an eye on in sport settings (6) | −0.017 | 0.908 | 0.045 |
| I have good knowledge of MH problems in sport settings (5) | 0.096 | 0.811 | −0.080 |
| If I experienced a MH problem, I would be aware of the symptoms (7) | −0.087 | 0.738 | 0.083 |
| I know how to maintain good MH in the sport setting (8) | 0.204 | 0.635 | 0.019 |
| I think that MH problems in sport settings communicate weakness (11 r) | 0.090 | 0.145 | 0.732 |
| I would think I'd failed if I experienced any MH problems (12 r) | −0.098 | 0.275 | 0.660 |
| MH problems would reflect poorly on me in a sport setting (10 r) | 0.113 | −0.190 | 0.608 |
MH, mental health; (r), reverse-scored item; SPSI, Sport Psychological Safety Inventory.