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. 2020 Jul 14;8(7):e14795. doi: 10.2196/14795

Table 4.

Factor analysis and reliability assessment.

Constructs and items PUa PEb SCc SSd ITIe SRf TMSg ORh GPi EPj
PU1 .603 k
PU2 .825
PU3 .727
PU4 .878
PU5 .584
PU6 .821
PE1 .621
PE2 .820
PE3 .773
PE4 .631
PE5 .739
PE6 .707
SC1 .694
SC2 .836
SC3 .663
SS1 .930
SS2 .896
SS3 .832
ITI1 .688
ITI2 .859
ITI3 .721
SR1 .821
SR2 .956
SR3 .772
TMS1 .719
TMS2 .819
TMS3 .897
OR1 .877
OR2 .859
OR3 .628
GP1 .873
GP2 .880
EP1 .702
EP2 .823
EP3 .895
Eigenvalue 2.748 4.330 4.039 2.653 2.367 2.686 2.250 2.152 1.711 1.355
Variance 7.634 12.028 11.221 7.369 6.576 7.460 6.251 5.978 4.752 3.764
Cronbach α .778 .778 .786 .797 .794 .778 .764 .778 .790 .777

aPU: perceived usefulness.

bPE: perceived ease of use.

cSC: system compatibility.

dSS: system security.

eITI: information technology infrastructure.

fSR: system reliability.

gTMS: top management support.

hOR: organizational readiness.

iGP: government policy.

jEP: external pressure.

kConstructs and items.