| Variables | Mean (SD) | 1 | 2 | 3 |
| 1) Perceived stress at baseline | 11.9 (4.10) |
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|
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| 2) Perceived stress after 2 weeks | 10.9 (4.15) | 0.65** |
|
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| 3) Neck meridian test at baseline | 4.4 (3.00) | 0.29* | 0.24 |
|
| 4) Neck meridian test at 2 weeks | 4.4 (3.27) | 0.17 | 0.39** | 0.82** |