Table 1 Effect decomposition for each single-mediator model
Analysis | Intervention-mediator effect (Path a) | Mediator-outcome effect (Path b) | ATE | ADE | ACME | Proportion Mediated (%) |
|---|---|---|---|---|---|---|
Pain | ||||||
Scapular Position | ||||||
 SUR 0° | 0.01 (−1.9 to 2.9) | 0.23 (0.02 to 0.45) | −0.34 (− 1.89 to 1.24) | − 0.36 (− 2 to 1.29) | 0.02 (− 0.32 to 0.35) | −0.05 (− 1.89 to 2) |
 SAT 0° | 0.07 (− 2.4 to 2.6) | 0.01 (− 0.14 to 0.18) | − 0.31 (− 1.85 to 1.44) | −0.32 (− 1.9 to 1.4) | 0.006 (− 0.26 to 0.37) | −0.01 (− 1.23 to 1.96) |
Scapular Motion | ||||||
 SUR 90° | 0.5 (− 3.2 to 3.3) | −0.06 (− 0.18 to 0.05) | −0.01 (− 0.3 to 0.12) | −0.24 (− 1.82 to 1.48) | −0.26 (− 1.84 to 1.49) | 0.06 (−1.02 to 1.52) |
 SUR 180° | − 0.04 (− 4.8 to 4.7) | −0.19 (− 0.28 to 0.1) | −0.63 (− 2.4 to 1.9) | −0.7 (− 2.26 to 1.18) | 0.05 (− 0.32 to 0.30) | −0.07 (− 0.07 to 2.32) |
 SAT 90° | − 0.16 (− 2.51 to 2.47) | −0.13 (− 0.3 to 0.03) | −0.25 (− 1.97 to 1.43) | −0.26 (− 2 to 1.93) | 0.01 (− 0.2 to 0.33) | 0.004 (−1.5 to 2) |
 SAT 180° | 0.09 (− 4.2 to 4.4) | 0.44 (− 0.35 to 0.53) | −0.23 (− 2 to 1.47) | −0.46 (− 2 to 1) | 0.23 (− 0.17 to 1) | −0.99 (− 4.3 to 3.91) |
Muscle Strength | ||||||
 SA | 0.12 (− 1.5 to 1.6) | −0.51 (− 0.73 to 0.02) | −0.3 (− 1.8 to 1) | −0.08 (− 1.57 to 1.24) | −0.3 (− 1.4 to 1.4) | 0.3 (− 3 to 4) |
 UT | 0.09 (−1.5 to 1.7) | − 0.31 (− 0.55 to 0.06) | −0.25 (− 0.2 to 0.2) | −0.19 (− 0.3 to 0.7) | −0.9 (− 0.1 to 0.09) | 0.10 (− 0.41 to 0.9) |
 MT | −0.03 (− 0.68 to 0.7) | −0.19 (− 0.28 to 0.1) | −0.05 (− 1.65 to 1.4) | −0.6(− 1.8 to 1.1) | 0.36 (− 0.2 to 1.2) | −0.10 (− 9.68 to 6.8) |
 LT | − 0.6 (− 0.69 to 0.8) | −0.19 (− 0.28 to 0.1) | −0.27 (− 1.79 to 1.2) | −0.3 (− 1.89 to 0.89) | 0.2 (− 0.27 to 0.71) | −0.63 (− 3.88 to 4.59) |
Shoulder Disability | ||||||
Scapular Position | ||||||
 SUR 0° | 0.01 (−1.9 to 2) | −0.04 (− 1.6 to 1.5) | − 0.3 (− 2.2 to 3.3) | −0.42 (− 2.27 to 1.32) | 0.06 (− 0.35 to 0.64) | 0.03 (−1.33 to 1.19) |
 SAT 0° | 0.07 (− 2.4 to 2.6) | 0.19 (−1 to 1) | 5 (− 6 to 16.2) | 3 (− 6.16 to 14.9) | 0.8 (− 1.6 to 5.3) | 0.04 (− 1.55 to 1.97) |
Scapular Motion | ||||||
 SUR 90° | 0.49 (−3 to 3.38) | 0.19 (− 0.73 to 1.13) | 6 (−6 to 10) | 5 (− 6 to 14.36) | 0.6 (− 3.4 to 4.59) | 0.01 (− 1.6 to 2.41) |
 SUR 180° | −0.04 (− 4.8 to 4.7) | − 0.14 (− 0.84 to 0.55) | 4.6 (− 7 to 14) | 4 (−8 to 13) | 0.6 (− 1.88 to 5.3) | 0.05 (− 1.55 to 1.97) |
 SAT 90° | −0.01 (− 2.55 to 2.24) | 0.31 (− 0.17 to 2.47) | 7 (− 5.5 to 16) | 6.9 (− 5.5 to 16) | 0.1 (− 3.3 to 2.73) | 0.02 (− 1.97 to 2) |
 SAT 180° | 0.09 (− 4.2 to 4.4) | 0.25 (− 0.44 to 0.96) | 6 (− 5 to 16.3) | 4 (−6 to 14) | 1.08 (− 5.82 to 6.44) | 0.07 (− 1.2 to 2) |
Muscle Strength | ||||||
 SA | 0.12 (− 1.56 to 1.8) | − 0.64 (− 2.2 to − 0.97)*** | 1 (− 9.44 to 13) | 0.15 (− 4 to 17) | − 0.05 (− 2 to 1.67) | − 0.05 (− 1 to 1.2) |
 UT | 0.09 (−1.5 to 1.6) | − 0.44 (− 5 to − 1.3)** | 2.86 (− 8 to 14) | 5.1 (− 5.15 to 17.3) | −2.3 (− 7 to 2) | − 0.8 (− 9.78 to 12) |
 MT | − 0.03 (− 0.68 to 0.75) | −0.42 (− 4.9 to − 0.2)* | 0.25 (−5.79 to 6) | 1 (− 10 to 12) | −0.8 (− 4 to 2) | − 3.2 (− 3.3 to 3) |
 LT | − 0.06 (− 0.69 to 0.8) | −0.3 (− 4 to − 1)** | −0.2 (− 5.79 to 6) | 1 (− 10.8 to 13) | − 1.1 (− 5 to 1) | 0.5 (− 3.3 to 3) |