Physical Therapy Korea
pISSN 1225-8962 eISSN 2287-982X

Mediation of UWS by ULMM via KES, HGS, PEF, and depression

Variable a path b path Indirect effect (a × b) BC 95% CI

Lower Upper
Indirect effect
KES 0.9932 0.0114 0.0113 0.0033 0.0246*
HGS 1.1427 0.0078 0.0089 –0.0043 0.0275
PEF 0.1792 0.0490 0.0088 0.0020 0.0217*
Depression –0.3640 –0.0066 0.0024 –0.0003 0.0102
Total 0.0314 0.0153 0.0532
Comparison
KES vs HGS 0.0025 –0.0199 0.0230
KES vs PEF 0.0026 –0.0099 0.0155
KES vs Depression 0.0090 –0.0010 0.0226
HGS vs PEF 0.0001 –0.0183 0.0193
HGS vs KES 0.0065 –0.0072 0.0242
PEF vs Depression 0.0064 –0.0027 0.0201

BC, bias-corrected; CI, confidence interval; KES, knee extension strength; HGS, hand grip strength; PEF, peak expiratory flow. *Significant mediator.

Phys. Ther. Korea 2023;30:202~210 https://doi.org/10.12674/ptk.2023.30.3.202
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