TABLE 5.
Risk of being employed part-time as compared with full-time at 2 years postinjury
| PR | 95% CI | P | PR | 95% CI | P | PR | 95% CI | P | PR | 95% CI | P | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age group, y | ||||||||||||
| 16–19 | reference | reference | reference | reference | ||||||||
| 20–29 | 0.53 | 0.44–0.65 | .00 | 0.60 | 0.48–0.74 | .00 | 0.61 | 0.49–0.75 | .00 | 0.65 | 0.52–0.81 | .00 |
| 30–39 | 0.55 | 0.41–0.73 | .00 | 0.67 | 0.50–0.90 | .01 | 0.68 | 0.50–0.91 | .01 | 0.67 | 0.50–0.91 | .01 |
| 40–49 | 0.72 | 0.54–0.96 | .03 | 0.88 | 0.65–1.18 | .38 | 0.88 | 0.66–1.19 | .41 | 0.79 | 0.58–1.06 | .11 |
| 50–59 | 0.84 | 0.61–1.14 | .26 | 1.07 | 0.77–1.50 | .68 | 1.08 | 0.77–1.51 | .67 | 1.04 | 0.74–1.46 | .82 |
| Race | ||||||||||||
| White | reference | reference | reference | reference | ||||||||
| Black | 1.23 | 0.96–1.57 | .10 | 1.15 | 0.92–1.44 | .23 | 1.17 | 0.93–1.48 | .18 | 1.12 | 0.90–1.41 | .32 |
| Hispanic | 1.15 | 0.89–1.50 | .28 | 1.09 | 0.85–1.40 | .49 | 1.10 | 0.85–1.41 | .47 | 1.01 | 0.77–1.32 | .95 |
| Other | 0.56 | 0.29–1.08 | .09 | 0.51 | 0.26–0.99 | .05 | 0.51 | 0.27–0.99 | .05 | 0.49 | 0.26–0.94 | .03 |
| Gender | ||||||||||||
| Male | reference | reference | reference | reference | ||||||||
| Female | 1.49 | 1.27–1.74 | .00 | 1.40 | 1.20–1.64 | .00 | 1.41 | 1.20–1.64 | .00 | 1.43 | 1.22–1.67 | .00 |
| Marital status | ||||||||||||
| Married | reference | reference | reference | reference | ||||||||
| Never married | 1.43 | 1.12–1.83 | .00 | 1.38 | 1.09–1.75 | .01 | 1.39 | 1.10–1.75 | .01 | 1.35 | 1.09–1.68 | .01 |
| Previously married | 0.98 | 0.72–1.32 | .88 | 0.93 | 0.69–1.25 | .62 | 0.93 | 0.69–1.25 | .64 | 0.98 | 0.73–1.33 | .92 |
| Primary payment | ||||||||||||
| Private insurance | reference | reference | reference | |||||||||
| Medicare | 1.76 | 1.22–2.54 | .00 | 1.78 | 1.23–2.57 | .00 | 1.75 | 1.21–2.53 | .00 | |||
| Medicaid | 1.63 | 1.35–1.96 | .00 | 1.64 | 1.36–1.97 | .00 | 1.60 | 1.33–1.93 | .00 | |||
| Workers’ compensation | 1.08 | 0.74–1.57 | .70 | 1.08 | 0.74–1.57 | .69 | 1.03 | 0.72–1.49 | .86 | |||
| Self-pay or no pay | 0.99 | 0.75–1.30 | .93 | 1.01 | 0.77–1.33 | .95 | 1.02 | 0.77–1.35 | .88 | |||
| Education | ||||||||||||
| Advanced degree | reference | reference | reference | |||||||||
| Bachelor’s degree | 0.73 | 0.50–1.07 | .10 | 0.73 | 0.50–1.07 | .11 | 0.70 | 0.48–1.01 | .06 | |||
| Some college or associate degree | 1.02 | 0.73–1.44 | .89 | 1.06 | 0.75–1.49 | .75 | 1.01 | 0.72–1.42 | .95 | |||
| HS Grad or Equivalent | 0.68 | 0.48–0.98 | .04 | 0.69 | 0.48–0.99 | .05 | 0.61 | 0.42–0.87 | .01 | |||
| Less than HS Grad | 0.89 | 0.59–1.34 | .58 | 0.93 | 0.62–1.40 | .73 | 0.74 | 0.49–1.09 | .13 | |||
| Preinjury vocational status | ||||||||||||
| Employed | reference | |||||||||||
| Student | 1.47 | 1.18–1.83 | .00 | 1.47 | 1.18–1.83 | .00 | 1.57 | 1.25–1.99 | .00 | |||
| Unemployed | 1.43 | 1.11–1.85 | .01 | 1.41 | 1.09–1.82 | .01 | 1.36 | 1.06–1.73 | .01 | |||
| Length of stay, d | ||||||||||||
| 1–9 | reference | reference | ||||||||||
| 10–19 | 0.94 | 0.78–1.14 | .54 | 0.90 | 0.75–1.08 | .25 | ||||||
| 20–29 | 1.28 | 1.04–1.57 | .02 | 1.07 | 0.87–1.32 | .52 | ||||||
| 30–39 | 1.49 | 1.17–1.89 | .00 | 1.19 | 0.93–1.52 | .16 | ||||||
| ≥40 | 1.52 | 1.17–1.98 | .00 | 1.08 | 0.81–1.43 | .61 | ||||||
| FIM Cognitive | 0.97 | 0.93–1.01 | .15 | |||||||||
| Disability Rating Scale | 1.41 | 1.29–1.54 | .00 | |||||||||
Abbreviations: AIC, Akaike information criteria; CI, confidence interval; PR, prevalence ratio.