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. 2020 Oct 29;22(10):e22716. doi: 10.2196/22716

Table 2.

Statistical results of the research model

Constructs and items Standard loadings P value Score, mean (SD) Cronbach alpha CRa AVEb
PCc .866 0.877 0.597

PC1d 0.762 N/Ae 3.82 (0.94)



PC2 0.711 <.001 3.97 (0.77)



PC3 0.782 <.001 3.98 (0.83)



PC4 0.757 <.001 4.11 (0.75)



PC5 0.753 <.001 3.91 (0.79)


POf .850 0.773 0.533

PO1 0.755 N/A 3.22 (0.96)



PO2 0.848 <.001 3.53 (0.86)



PO3 0.833 <.001 3.57 (0.82)


PMRg .847 0.794 0.438

PMR1 0.663 N/A 2.59 (0.94)



PMR2 0.816 <.001 2.75 (0.91)



PMR3 0.832 <.001 2.76 (0.93)



PMR4 0.648 <.001 2.35 (0.94)



PMR5 0.659 <.001 2.12 (0.83)


PIRh .796 0.703 0.545

PIR1 0.888 N/A 2.54 (0.96)



PIR2 0.747 <.001 2.30 (0.90)


EPi .770 0.712 0.562

EP1 0.649 <.001 3.41 (0.90)



EP2 0.946 N/A 3.48 (0.89)


PMLj .840 0.763 0.518

PML1 0.718 <.001 2.09 (0.79)



PML2 0.845 N/A 2.15 (0.81)



PML3 0.832 <.001 2.13 (0.81)


ABk .813 0.887 0.723

AB1 0.680 N/A 3.61 (0.72)



AB2 0.735 <.001 3.77 (0.65)



AB3 0.755 <.001 3.81 (0.66)


SNl .858 0.796 0.496

SN1 0.763 N/A 3.28 (0.85)



SN2 0.880 <.001 3.11 (0.90)



SN3 0.802 <.001 3.11 (0.91)



SN4 0.658 <.001 3.25 (0.86)


HCm .801 0.790 0.661

HC1 1.000 <.001 4.05 (0.69)



HC2 0.670 N/A 4,12 (0.63)


PSDn o 0.630 0.630

PSD1 0.744 N/A 2.54 (0.91)


PBCp .731 0.680 0.422

PBC1 0.641 N/A 3.87 (0.82)



PBC2 0.863 <.001 3.74 (0.84)



PBC3 0.599 <.001 3.35 (0.86)


BIq .846 0.695 0.533

BI1 0.796 N/A 3.19 (0.88)



BI2 0.831 <.001 3.23 (0.92)


aCR: composite reliability.

bAVE: average variance extracted.

cPC: perceived convenience.

dNumbers refer to the numbered lists under each construct in Textbox 1.

eN/A: not applicable.

fPO: perceived outcome.

gPMR: perceived medical risk.

hPIR: perceived information risk.

iEP: emotional preference.

jPML: perceived medical liability.

kAB: attitude toward the behavior.

lSN: subjective norm.

mHC: health consciousness.

nPSD: perceived severity of disease.

oNot available because of only an item.

pPBC: perceived behavioral control.

qBI: behavioral intention.