Table 3
Bivariate and Multivariate Regressions Predicting E-Prescribing Volume and Quitting Among E-Prescribers (n = 139)
| Outcome Measure | ||||
| Monthly E-Prescribing Volume | Quit Using E-Prescribing | |||
| Predictors | Bivariate Coefficient (CI) | Multivariate Coefficient (CI) | Bivariate OR (CI) | Multivariate OR (CI) |
| Performance scale§ (min = 1; max = 5) | 49.37∗∗∗ (27.30–71.45) | 46.52∗ (12.06–+80.97) | 0.295∗∗∗ (0.17–0.52) | 0.59 (0.26–1.33) |
| Usability scale§ (min = 1; max = 5) | 41.27∗∗ (17.72–64.83) | 7.84 (−26.80–+42.49) | 0.31∗∗∗ (0.18–0.53) | 0.42∗ (0.19–0.90) |
| Computer attitudes score (min = 1; max = 5) | 6.18 (−27.54–+39.90) | −15.53 (−49.19–+18.13) | 0.45∗ (0.25–0.84) | 0.65 (0.31–1.35) |
| Age (min = 27; max = 82) | 1.32 (−1.08–+3.74) | 0.81 (−1.50–+3.12) | 0.96 (0.92–1.01) | 0.94 (0.88–1.00) |
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OR = Odds Ratio; CI = 95% confidence interval. Associations that remained statistically significant in multivariate analyses are shown in bold text.
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↵∗ p < 0.05.
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↵∗∗ p < 0.01.
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↵∗∗∗ p < 0.001.
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↵§ Scores on the Performance scale and the Usability scale were correlated (r2 = 0.57) but the results were not consistent with multicollinearity.
