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The results of the mediation analysis
| Mediation path | Coefficient | P-value | BCa 95% CI |
|---|---|---|---|
| c | − 0.391 | < 0.01 | (− 0.506, − 0.275) |
| a | − 0.244 | < 0.01 | (− 0.369, − 0.119) |
| b | 0.401 | < 0.01 | (0.293, 0.508) |
| a * b | − 0.098 | – | (− 0.161, − 0.038) |
| c′ | − 0.293 | < 0.01 | (− 0.401, − 0.185) |
BCa 95% CI: the bias-corrected and accelerated 95% confidence interval; age, education level, principal caregiver and current recurrence were covariates
