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Pearson correlation coefficients for the association between HADS, age and Work Ability Index
| Variable | Mean value (SD) | Pearson correlation coefficient (r) and 95% CI | p-value |
|---|---|---|---|
| HADS Aa |
5.2 (4.4) |
−0.41 (−0.64 - -0.11) |
0.007 |
| HADS Da |
3.7 (4.0) |
−0.42 (−0.65 - -0.12) |
0.007 |
| Age | 49 (12) | −0.33 (−0.57 - -0.04) | 0.028 |
HADS = Hospital Anxiety and Depression Scale; A = Anxiety index; D = Depression index.
a Log transformation for the HADS was used.
