Table 2

Multivariate logistic regression analysis examining associations between demographic factors and previous use of a mobile health product (Model 1) and acceptance of smartphone-based visual acuity assessment (Model 2)

Model 1*Model 2†
Coefficient (95% CI)
P value
Coefficient (95% CI)P value
Age
 18–29(Ref)(Ref)
 30–44−0.79 (−1.25 to −0.32)0.001−0.32 (−0.79 to −0.13)0.16
 45–59−1.23 (−1.75 to −0.71)0.09−0.52 (−0.97 to −0.08)0.02
 60+−2.13 (−2.83 to −1.42)0.08−1.55 (−1.97 to −1.13)0.31
 Male gender0.51 (0.12 to 0.89)0.01−0.08 (−0.37 to 0.21)0.61
Education
 Apprenticeship/TAFERefRef
 Postgraduate0.86 (0.25 to 1.46)0.0050.64 (0.05 to 1.23)0.03
 Secondary−0.19 (−0.77 to 0.38)0.510.02 (−0.37 to 0.41)0.92
 Tertiary0.27 (−0.25 to 0.80)0.310.007 (−0.39 to 0.40)0.97
Income
 $45 000 or less(Ref)(Ref)
 $45 001–$79 9990.53 (0.08 to 0.99)0.020.20 (−0.14 to 0.55)0.26
 $80 000 or greater0.73 (0.22 to 1.23)0.0050.06 (−0.36 to 0.48)0.79
  • *Model 1=previous use of a mobile health product.

  • †Model 2=acceptance of smartphone based VA assessment.