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Table 3 Summary Results of Measurement Model

From: The impacts of port infrastructure and logistics performance on economic growth: the mediating role of seaborne trade

Latent Construct

Observed Indicators

Unstandardized factor loadings

Standardized factor loadings

Standard error

Z-value

R2 (item reliability)

QPI

QPI

0.23

1.00***

0.01

24.61

1.00

LP

LPIAT

0.17

0.93***

0.01

24.62

0.86

LPICQ

0.18

0.97***

0.01

29.75

0.94

LPIEA

0.12

0.85***

0.01

19.40

0.73

LPIEC

0.20

0.95***

0.01

27.93

0.90

LPIFS

0.13

0.87***

0.01

22.55

0.76

LPIQT

0.22

0.97***

0.01

29.42

0.95

ST

CT

1.46

0.98***

0.07

20.28

0.95

LSC

0.78

0.88***

0.04

19.24

0.77

NE

PGDP

0.99

1.00***

0.04

23.16

1.00

  1. Model-fit: χ2 (31) = 81.93, CFI = 0.98, TLI = 0.97, RMSEA = 0.09, SRMR = 0.02
  2. *p < 0.05, **p < 0.01, ***p < 0.001