Table 4

Results of the logistic regression: Original and Extended TAM
Independent variables Multivariate regression OR 95% CI p
Original TAMa
Perceived usefulness 5.28 3.14-10.01 0.000
Perceived ease of use 1.93 1.11-2.37 0.020
Extended TAMb
Perceived usefulness 2.65 1.15-6.12 0.022
Perceived ease of use 0.66 0.31-1.39 0.276
Compatibility 3.06 1.30-7.18 0.010
Subjective Norm 1.06 0.56-2.03 0.851
Facilitators 4.90 2.38-10.09 0.000
Habit 2.56 0.56-11.70 0.226

TAM=Technology Acceptance Model; OR: Odds Ratio; CI: confidence interval.

a Nagelkerke R2 = 0.63 b Nagelkerke R2 = 0.72.

Asua et al.

Asua et al. BMC Medical Informatics and Decision Making 2012 12:139   doi:10.1186/1472-6947-12-139

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