Table 5.
Baron and Kenny’s procedure for the mediatory role of medication adherence for two communication domains
| Independent variables | Dependent variables
|
|||
|---|---|---|---|---|
| Patient medication experience
|
Patient medication experience
|
Patient medication adherence
|
Patient medication experiencec
|
|
| β (P) | β (P) | β (P) | β (P) | |
| Patient–physician communication | ||||
| Interpersonal domain | 0.14 (0.06) | N/A | N/A | N/A |
| Informative domain | N/A | 0.17* (0.02) | 0.25** (<0.00) | 0.12 (0.11) |
| Patient medication adherence | N/A | N/A | N/A | 0.19* (0.02) |
| Age (years) | ||||
| ≤64 | Reference | |||
| 65–75 | 0.06 (0.59) | 0.06 (0.57) | 0.14 (0.17) | 0.03 (0.74) |
| ≥76 | −0.05 (0.63) | −0.03 (0.76) | 0.26 (0.12) | −0.08 (0.46) |
| Sex | ||||
| Male | Reference | |||
| Female | 0.07 (0.34) | 0.07 (0.37) | 0.06 (0.43) | 0.06 (0.44) |
| Education | ||||
| High school or lower | Reference | |||
| High school or graduate | 0.30 (0.14) | 0.29 (0.15) | 0.01 (0.95) | 0.28 (0.16) |
| Some college | 0.27 (0.20) | 0.26 (0.20) | −0.13 (0.51) | 0.29 (0.16) |
| College graduate or higher | 0.33 (0.09) | 0.32 (0.09) | −0.03 (0.86) | 0.33 (0.09) |
| Race | ||||
| Non-Hispanic White | Reference | |||
| Non-Hispanic Black | −0.08 (0.33) | −0.07 (0.38) | −0.13 (0.09) | −0.05 (0.57) |
| Othersa | −0.07 (0.32) | −0.07 (0.38) | −0.11 (0.13) | −0.05 (0.54) |
| Income | ||||
| Low | Reference | |||
| Lower middle | 0.02 (0.78) | 0.02 (0.79) | 0.04 (0.56) | 0.01 (0.88) |
| Middle | 0.07 (0.39) | 0.07 (0.44) | 0.10 (0.23) | 0.05 (0.57) |
| High | −0.03 (0.69) | −0.03 (0.68) | 0.00 (0.95) | −0.03 (0.67) |
| Residential | ||||
| Alone | Reference | |||
| With spouse | 0.07 (0.71) | 0.09 (0.62) | −0.01 (0.97) | 0.09 (0.61) |
| Othersb | −0.10 (0.19) | −0.10 (0.19) | 0.08 (0.30) | −0.12 (0.13) |
| Marital status | ||||
| Married or separated | Reference | |||
| Divorced | 0.04 (0.79) | 0.07 (0.65) | −0.04 (0.77) | 0.08 (0.62) |
| Widowed | 0.06 (0.72) | 0.08 (0.65) | 0.07 (0.65) | 0.07 (0.71) |
| Never married | −0.25* (0.03) | −0.23* (0.04) | −0.16 (0.12) | −0.20 (0.07) |
| Comorbidity class | ||||
| 0 | Reference | |||
| 1 | 0.07 (0.40) | 0.08 (0.33) | −0.03 (0.73) | 0.08 (0.31) |
| 2 | 0.01 (0.87) | 0.02 (0.82) | 0.01 (0.92) | 0.02 (0.83) |
| R2 | 0.20 | 0.21 | 0.28 | 0.23 |
Notes:
a
Others include Asian, Indian, and Alaskan natives.
b
Others include living with parents, children, siblings, companions, or pets, and living in a retirement community.
c
The regression model includes the independent variable, patient medication adherence, while the earlier one does not. Variables marked as N/A are indicative of not being included in the regression model.
*
P<0.05,
**
P<0.001.
Abbreviation: N/A, not applicable.