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Descriptive statistics for the categorical variables.
| Variables | Mean (SD) |
| Subjective health status | 3.35 (0.81) |
| Perceived importance of health | 3.51 (0.77) |
| AAa domain of media literacy | 3.56 (0.63) |
| MMb domain of media literacy | 3.43 (0.75) |
| RRc domain of media literacy | 3.87 (0.72) |
| Current DSd use | 2.27 (1.05) |
| Intention for future DS use | 2.28 (1.01) |
aAA: authors and audiences.
bMM: messages and meanings.
cRR: representation and reality.
dDS: dietary supplement.
