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. 2023 Jun 20;23:459. doi: 10.1186/s12909-023-04454-3

Table 3.

Results of the fixed effects model with educational debt as the dependent variable (n = 5,141)

Variable Coefficient Std. err. p-value 95% Confidence Interval
Lower Bound Upper Bound
Age -0.010 0.01 0.14 -0.02 0.00
Gender [omitted]
Professional Degree 0.279 0.11 0.01* 0.07 0.49
Professional Degreea 0.229 0.19 0.23** -0.14 0.60
Interaction of Age and Professional Degree -0.017 0.02 0.30** -0.05 0.02
Number of Certifications 0.039 0.02 0.06 0.00 0.08
Ln(Income) -0.004 0.01 0.60 -0.02 0.01
Hours Worked Per Week 0.004 0.00 0.049* 0.00 0.01
Hours Worked Per Weeka -0.0001 0.00 0.20** 0.00 0.00
Expected Years Until Retirement 0.006 0.00 0.01* 0.00 0.01
Expected Years Until Retirementa -0.0002 0.00 0.27** 0.00 0.00
Job Satisfaction 0.048 0.02 0.04* 0.00 0.10
Job Satisfactiona -0.013 0.03 0.63** -0.07 -0.04
Interaction of Age and Job Satisfaction 0.005 0.01 0.27** -0.004 0.015
Interaction of Income and Job Satisfaction -1.259 1.79 0.48** -4.76 2.22
Work Status [omitted]
Primary Work Setting, compared with Home Health
    Skilled Nursing 0.094 0.09 0.29 -0.08 0.27
    Rehabilitation Facility 0.119 0.08 0.12 -0.03 0.27
    Hospital, Inpatient 0.006 0.09 0.95 -0.17 0.18
    Hospital, Outpatient 0.023 0.08 0.77 -0.13 0.18
    Private Practice, Solo 0.026 0.08 0.75 -0.14 0.19
    Private Practice, Group 0.092 0.08 0.23 -0.06 0.24
    Academic Institution -0.043 0.14 0.75 -0.31 0.23
Race or Ethnic Category, compared with American Indian or Alaska Native
    Asian 0.059 0.51 0.91 -0.95 1.07
    Black/African American 0.030 0.53 0.96 -1.01 1.07
    Hispanic 0.011 0.51 0.98 -0.98 1.00
    Native Hawaiian or Other Pacific Islander -0.253 0.62 0.68 -1.46 0.96
    Some Other Race 0.244 0.50 0.63 -0.74 1.22
    Two or More Races -0.029 0.43 0.95 -0.87 0.81
    White 0.178 0.46 0.70 -0.73 1.09
Year Surveyed, compared with 2016
    2018 -0.186 0.03 < 0.001* -0.25 -0.13
    2020 -0.403 0.03 < 0.001* -0.47 -0.34

aIndicates a squared, nonlinear covariate

*Indicates statistical significance at p < 0.05

**Indicates that the F-test for joint significance for the interaction term was statistically significant with p < 0.05