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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