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Table 2 Standardized effects of the mediation models by gender

From: Normal weight obesity and physical fitness in Chinese university students: an overlooked association

Model (male)

Path coefficients

95% CI

p-value

Model (female)

Path coefficients

95% CI

p-value

Andersen test (A)

Andersen test (A)

 Direct effects

 Direct effects

  WG → SMM (a)

−0.46

− 0.60~ − 0.32

< 0.001

  WG → SMM (a)

−0.38

− 0.54~ − 0.22

< 0.001

  SMM → A (b)

0.28

0.10~0.45

0.002

  SMM → A (b)

0.25

0.06~0.45

0.012

  WG → A (c)

−0.36

−0.53~ − 0.19

< 0.001

  WG → A (c)

−0.33

− 0.53~ − 0.14

0.001

 Indirect effects

 Indirect effects

  WG → A (a × b)

− 0.13

−0.22~ − 0.04

0.006

  WG → A (a × b)

−0.10

− 0.18~ − 0.01

0.029

 Total effect

 Total effect

  WG → A (a × b + c)

−0.49

− 0.63~ − 0.34

< 0.001

  WG → A (a × b + c)

−0.43

− 0.61~ − 0.25

< 0.001

R2(A)

0.30

0.14~0.46

< 0.001

R2(A)

0.24

0.08~0.40

0.003

CMJ (C)

CMJ (C)

 Direct effects

 Direct effects

  WG → SMM (a)

−0.46

−0.60~ − 0.32

< 0.001

  WG → SMM (a)

− 0.38

−0.54~ − 0.22

< 0.001

  SMM → C (b)

0.30

0.13~0.47

< 0.001

  SMM → C (b)

0.17

−0.02~0.35

0.074

  WG → C (c)

−0.36

− 0.52~0.20

< 0.001

  WG → C (c)

− 0.34

−0.52~ − 0.16

< 0.001

 Indirect effects

 Indirect effects

  WG → C (a × b)

− 0.14

− 0.23~ − 0.05

0.002

  WG → C (a × b)

− 0.06

− 0.14~0.01

0.098

 Total effect

 Total effect

  WG → C (a × b + c)

− 0.50

− 0.63~ − 0.36

< 0.001

  WG → C (a × b + c)

− 0.40

−0.56~ − 0.24

< 0.001

R2(C)

0.32

0.18~0.46

< 0.001

R2(C)

0.18

0.04~0.32

0.007

5mSR (S)

5mSR (S)

 Direct effects

 Direct effects

  WG → SMM (a)

−0.46

−0.60~ − 0.32

< 0.001

  WG → SMM (a)

− 0.38

−0.54~ − 0.22

< 0.001

  SMM → S (b)

− 0.27

−0.43~ − 0.10

0.002

  SMM → S (b)

−0.30

− 0.48~ − 0.12

0.001

  WG → S (c)

0.37

0.21~0.53

< 0.001

  WG → S (c)

0.36

0.18~0.53

< 0.001

 Indirect effects

 Indirect effects

  WG → S (a × b)

0.12

0.04~0.21

0.006

  WG → S (a × b)

0.11

0.03~0.20

0.007

 Total effect

 Total effect

  WG → S (a × b + c)

0.49

0.35~0.62

< 0.001

  WG → S (a × b + c)

0.47

0.32~0.63

< 0.001

R2(S)

0.29

0.15~0.43

< 0.001

R2(S)

0.30

0.14~0.46

< 0.001

SumPF (SPF)

SumPF (SPF)

 Direct effects

 Direct effects

  WG → SMM (a)

−0.46

−0.60~ − 0.32

< 0.001

  WG → SMM (a)

− 0.38

− 0.54~ − 0.22

< 0.001

  SMM → SPF(b)

0.32

0.16~0.48

< 0.001

  SMM → SPF (b)

0.34

0.17~0.51

< 0.001

  WG → SPF (c)

− 0.49

− 0.63~ − 0.34

< 0.001

  WG → SPF (c)

−0.48

− 0.64~ − 0.32

< 0.001

 Indirect effects

 Indirect effects

  WG → SPF(a × b)

− 0.15

−0.23~ − 0.06

0.001

  WG → SPF(a × b)

−0.13

− 0.21~ − 0.05

0.003

 Total effect

 Total effect

  WG → SPF(a × b + c)

−0.63

− 0.74~ − 0.52

< 0.001

  WG → SPF(a × b + c)

− 0.61

−0.75~ − 0.47

< 0.001

R2(SPF)

0.48

0.34~0.62

< 0.001

R2(SPF)

0.47

0.31~0.63

< 0.001

  1. Abbreviations: WG Weight group, SMM Skeletal muscle mass, CMJ Countermovement jump, 5mSR 5 × 5-m shuttle run, SumPF Sum of physical fitness score, 95% CI 95% confidence intervals