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Standard deviation, mean and correlation matrix of each variable.
| Variable | M ±SD | Peer support | Physical exercise atmosphere | eHealth literacy | Sleep quality |
|---|---|---|---|---|---|
| Peer support | 14.595 ± 3.036 | 1 | |||
| Physical exercise atmosphere | 36.039 ± 10.143 | 0.241** | 1 | ||
| eHealth literacy | 28.862 ± 5.657 | 0.278*** | 0.595*** | 1 | |
| Sleep quality | 6.096 ± 3.220 | −0.223** | −0.205** | −0.201** | 1 |
*P < 0.05, **P < 0.01, ***P < 0.001.
