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| Model path | Direct effect | Indirect effect | Total effect | Mediating effect quantity (%) |
|---|---|---|---|---|
| Cumulative times of blood donation →cognition in blood donation →PCS |
0.101** | 0.033** | 0.134** | 24.63 |
| Cumulative times of blood donation →cognition in blood donation →MCS |
0.096** | 0.035** | 0.131** | 26.72 |
PCS: physical component summary; MCS: mental component summary.
** p<0.01 (both sides).
