Potential mediator | Ever WS exposurea | Mediational effect size (%)b | Ppermc | |
---|---|---|---|---|
C (P = 0.0003) | C' (all Ps < 0.005) | |||
SGRQ score | ||||
Symptom | 0.42 (0.12) | 0.37 (0.12) | 12.0 | 0.03 |
Activity | 0.42 (0.12) | 0.35 (0.12) | 17.0 | < 0.005 |
Impact | 0.42 (0.12) | 0.35 (0.12) | 17.9 | < 0.005 |
Total | 0.42 (0.12) | 0.33 (0.12) | 21.1 | < 0.005 |
SF-36 score | ||||
Physical functioning | 0.42 (0.12) | 0.33 (0.12) | 20.9 | < 0.005 |
Role physical | 0.42 (0.12) | 0.39 (0.12) | 7.4 | 0.03 |
Role emotional | 0.42 (0.12) | 0.40 (0.12) | 4.1 | 0.03 |
Social functioning | 0.42 (0.12) | 0.41 (0.12) | 2.5 | 0.21 |
Mental health | 0.42 (0.12) | 0.39 (0.12) | 6.8 | 0.02 |
Vitality | 0.42 (0.12) | 0.40 (0.12) | 5.5 | 0.055 |
General health perceptions | 0.42 (0.12) | 0.36 (0.12) | 15.5 | < 0.005 |
Bodily pain | 0.42 (0.12) | 0.39 (0.12) | 6.6 | 0.015 |
Spirometry | ||||
FEV1 | 0.42 (0.12) | 0.34 (0.12) | 18.8 | < 0.005 |
FEV1/FVC ratio | 0.42 (0.12) | 0.38 (0.12) | 10.2 | < 0.005 |