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European Transport Research Review

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Table 2 Exploratory factor analysis (EFA) of FCO

From: Evolving base for the fuel consumption optimization in Indian air transport: application of structural equation modeling

Items of FCO

Factor loadings

CITC

Eigen-values

% of variance explained

KMO

Cronbach’s α

Aircraft operations (AO)

  

3.53

69.72

0.877

0.911

 AOB

0.875

0.814

    

 AOF

0.872

0.789

    

 AOE

0.850

0.758

    

 AOD

0.848

0.776

    

 AOC

0.817

0.737

    

 AOA

0.720

0.635

    

Bartlett test: χ2 = 872.778, df = 15, p = 0.001

Technology & design (ATD)

  

3.57

75.78

0.902

0.935

 ATDB

0.887

0.824

    

 ATDE

0.881

0.816

    

 ATDG

0.880

0.828

    

 ATDD

0.875

0.825

    

 ATDC

0.849

0.776

    

 ATDF

0.847

0.787

    

Bartlett test: χ2 = 1082.480, df = 15, p = 0.001

Socio-economic & political (SEP)

  

2.63

78.45

0.837

0.906

 SEPB

0.907

0.804

    

 SEPE

0.882

0.810

    

 SEPD

0.879

0.795

    

 SEPA

0.871

0.757

    

Bartlett test: χ2 = 576.407, df = 6, p = 0.001

Aviation Infrastructure (AI)

  

3.95

79.09

0.857

0.933

 AID

0.925

0.925

    

 AIC

0.907

0.907

    

 AIB

0.900

0.900

    

 AIA

0.857

0.857

    

 AIE

0.855

0.855

    

Bartlett test: χ2 = 960.766, df = 10, p = 0.001

Alternate fuels & fuel properties (AFP)

  

2.49

64.04

0.790

0.812

 AFPB

0.821

0.684

    

 AFPC

0.802

0.615

    

 AFPD

0.796

0.615

    

 AFPA

0.784

0.614

    

Bartlett test: χ2 = 282.484, df = 6, p = 0.001

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