Table 2 Linear mixed-effect model of linguistic features and system use predicting patients’ overall decisional satisfaction
Model 1 (only main effects) | Model 2 (interaction effects) | |||||
|---|---|---|---|---|---|---|
β | SE | p value | β | SE | p value | |
Patient demographics | ||||||
Patient’s years of education | − 0.21 | 0.12 | 0.08 | − 0.17 | 0.12 | 0.12 |
Mammography history (No = 0; Yes = 1) | − 0.12 | 0.36 | 0.74 | 0.09 | 0.33 | 0.80 |
Linguistic features | ||||||
Provider word count | 0.14 | 0.13 | 0.28 | 0.08 | 0.12 | 0.49 |
Patient word count | − 0.11 | 0.13 | 0.38 | − 0.12 | 0.12 | 0.34 |
Patient question marks | − 0.32** | 0.12 | 0.01 | − 0.40*** | 0.12 | 0.001 |
Provider affect words | − 0.11 | 0.13 | 0.40 | − 0.06 | 0.12 | 0.60 |
Provider quantifier words | 0.30** | 0.12 | 0.01 | 0.23* | 0.11 | 0.04 |
System use | ||||||
Total clicks | − 0.27* | 0.12 | 0.02 | − 0.31** | 0.11 | 0.000 |
Loops | 0.34* | 0.12 | 0.004 | 0.37 | 0.11 | 0.22 |
Interaction | ||||||
Loops* Total clicks | 0.40** | 0.13 | 0.003 | |||
Constant | 0.10 | 0.33 | 0.000 | − 0.13 | 0.31 | 0.000 |
Random effects | ||||||
Between-provider variance | − 24.63 | 7.99 | − 24.25*** | 5.91 | ||
Log likelihood | − 56.91 | − 52.73 | ||||
Wald Chi2 | 40.67 | 56.98 |