Table 2.
Multivariable Linear Regression Analyses of Factors Associated With Guttman Satisfaction Scale.a
| Dependent variables | Retained variables | Regression coefficient [β] (95% confidenc interval) |
Standard error | P value | Semipartial R 2 | Adjusted R 2 |
|---|---|---|---|---|---|---|
| Guttman Satisfaction Scale | Age in years | 0.00 (−0.02 to 0.02) | 0.01 | .948 | 0.10 | |
| Woman compared to men | 0.41 (0.04 to 0.86) | 0.07 | .071 | |||
| Marital status | ||||||
| Married/unmarried couple | Reference value | |||||
| Single | 0.04 (−0.53 to 0.62) | 0.29 | .883 | |||
| Divorced/separated/widow | 0.28 (−0.33 to 0.89 | 0.31 | .369 | |||
| Level of education | ||||||
| High school or less | Reference value | |||||
| College graduate | −0.13 (−0.60 to 0.34) | 0.24 | .584 | |||
| Masters’ degree or more | −0.48 −1.06 to 0.10) | 0.29 | .104 | |||
| Work status | ||||||
| Working | Reference value | |||||
| Retired | 0.30 (−0.28 to 0.88) | 0.29 | .309 | |||
| Unemployed/unabled/student | 0.06 (−0.67 to 0.78) | 0.37 | .881 | |||
| Income | ||||||
| <US$25 000 | Reference value | |||||
| >US$75 000 | −0.15 (−0.61 to 0.32) | 0.23 | .53 | |||
| Insurance | ||||||
| Private insurance | Reference value | |||||
| Other or no insurance | 0.54 (−0.06 to 1.13) | 0.30 | .075 | |||
| PROMIS Depression | −0.03 (−0.05 to −0.00) | 0.05 | .047 | 0.02 | ||
Abbreviation: PROMIS, Patient-Reported Outcomes Measurement Information System.
a Boldface value indicates statistically significant difference; only the semipartial R 2 of significant variables is displayed.