Table 2.
Final Multivariate Linear Regression Models to Predict SOSQ Scores
| Categories of Predictors of Patient Satisfaction | Humanistic Scale | Organizational Scale | ||
|---|---|---|---|---|
| β | P Value | β | P Value | |
| Constant | 14.31 | .004 | 3.26 | .496 |
| 1) Demographics | ||||
| Age | 0.82 | <.0001 | 0.81 | <.0001 |
| Age2 | −0.006 | <.0001 | −0.005 | <.0001 |
| Female | 3.29 | .004 | 2.26 | .020 |
| White | 0.98 | .111 | −0.69 | .220 |
| Married | 0.12 | .753 | −0.22 | .590 |
| 2) Socioeconomic status | ||||
| Education | ||||
| Less than HS graduate | ref | — | ref | — |
| HS graduate/some college | 0.38 | .401 | −0.005 | .992 |
| College graduate or more | 0.66 | .302 | −1.79 | .007 |
| Annual household income | ||||
| <$10,000 | ref | — | ref | — |
| $10,000–$20,000 | 1.97 | <.0001 | 0.48 | .323 |
| >$20,000 | 2.83 | <.0001 | 1.06 | .058 |
| Employment | ||||
| Not working | ref | — | ref | — |
| Full-time | −0.78 | .228 | −1.54 | .012 |
| Part-time | −0.72 | .206 | −1.04 | .061 |
| 3) Self-reported health | ||||
| PCS | −0.26 | .011 | −0.14 | .169 |
| PCS2 | 0.006 | <.0001 | 0.005 | <.0001 |
| MCS | 0.32 | <.0001 | 0.30 | <.0001 |
| 4) Patient utilization of medical services | ||||
| Enrolled in GIMC<5 years | 1.20 | .001 | 1.62 | <.0001 |
| Receives care outside VA | −3.06 | <.0001 | −4.18 | <.0001 |
| Primary care visits in previous 12 months | 1.27 | .021 | 1.25 | .012 |
| Distance from clinic, miles | ||||
| <10 | ref | — | ref | — |
| 10–30 | −0.15 | .757 | −0.04 | .931 |
| >30 | −0.13 | .802 | 0.37 | .494 |
| 5) VA clinic site | ||||
| 1 | ref | — | ref | — |
| 2 | 7.80 | <.0001 | 9.44 | <.0001 |
| 3 | −1.12 | .525 | 1.48 | .246 |
| 4 | −0.03 | .980 | 4.08 | <.0001 |
| 5 | 6.06 | <.0001 | 7.16 | <.0001 |
| 6 | 6.71 | <.0001 | 9.31 | <.0001 |
| 7 | −0.66 | .575 | 1.21 | .191 |
| 6) Characteristics of provider | ||||
| Female provider | 1.39 | .043 | −0.05 | .923 |
| Provider type | ||||
| Staff physician | ref | — | ref | — |
| Resident/fellow | −0.68 | .347 | −0.93 | .125 |
| Nurse practitioner/physician assistant | −0.79 | .393 | −0.15 | .846 |
| Panel size | ||||
| 0–75 | ref | — | ref | — |
| 76–175 | −0.57 | .437 | 0.22 | .715 |
| 176–500 | −2.17 | .017 | −0.99 | .175 |
| >500 | −0.40 | .761 | −0.14 | .894 |
| 7) Continuity of care | ||||
| How often patient sees the same provider | ||||
| Rarely | ref | — | ref | — |
| Sometimes | 3.57 | <.0001 | 3.28 | <.001 |
| Mostly | 11.48 | <.0001 | 10.41 | <.0001 |
| Always | 17.30 | <.0001 | 16.31 | <.0001 |
β, linear regression coefficient; SOSQ, Seattle Outpatient Satisfaction Questionnaire; VA, Veterans Affairs; HS, high school; SF-36, Short-Form 36; PCS, Physical Component Summary; MCS, Mental Component Summary; GIMC, general internal medicine clinic.