Table 2.
Mean SF-12 Physical Health Component Scores (PCS-12) and mean Mental Health Component Scores (MCS-12) by injury severity, PTSD history, and other covariates.
| Characteristic | Total | Physical Functioning Total | Mental Functioning Total | |||
|---|---|---|---|---|---|---|
| N | % | Mean | SD | Mean | SD | |
| Total Sample | 2766 | 100 | 41.3 | 9.2 | 46.9 | 12.1 |
| Injury Severity * | ||||||
| None | 1818 | 65.7 | 43.6 | 8.2 | 48.8 | 11.2 |
| Low | 120 | 4.3 | 40.9 | 10.2 | 45.6 | 13.1 |
| Medium | 448 | 16.2 | 37.0 | 9.1 | 42.5 | 12.7 |
| High | 380 | 13.7 | 37.0 | 8.7 | 42.1 | 12.8 |
| PTSD ** | ||||||
| Ever | 960 | 36.8 | 37.8 | 8.8 | 38.6 | 11.5 |
| Never | 1652 | 63.2 | 43.7 | 8.4 | 51.2 | 9.9 |
| Gender | ||||||
| Male | 1547 | 55.9 | 41.6 | 9.2 | 47.9 | 12.0 |
| Female | 1219 | 44.1 | 41.7 | 8.7 | 45.5 | 12.1 |
| Age at Injury Survey (Years) | ||||||
| 30–44 | 313 | 11.3 | 45.7 | 6.8 | 45.6 | 11.9 |
| 45–54 | 708 | 25.6 | 43.0 | 9.0 | 45.6 | 11.9 |
| 55–64 | 935 | 33.8 | 40.8 | 9.2 | 46.5 | 12.2 |
| 65–99 | 810 | 29.3 | 39.6 | 8.7 | 49.1 | 11.8 |
| Race/Ethnicity | ||||||
| White | 2056 | 74.3 | 42.1 | 9.0 | 47.4 | 12.1 |
| Black | 261 | 9.4 | 40.9 | 8.9 | 45.6 | 12.5 |
| Hispanic | 264 | 9.5 | 39.5 | 8.9 | 43.6 | 11.6 |
| Asian | 109 | 3.9 | 41.0 | 8.7 | 48.1 | 12.4 |
| Other | 76 | 2.8 | 40.3 | 9.1 | 46.5 | 11.4 |
| Education at Wave 1 | ||||||
| High School or Less | 407 | 14.7 | 38.5 | 8.6 | 45.1 | 13.1 |
| Some College | 566 | 20.5 | 39.4 | 9.1 | 45.5 | 12.6 |
| College and Post-Grad | 1787 | 64.7 | 42.9 | 8.7 | 47.7 | 11.7 |
| Eligibility Group | ||||||
| Rescue/Recovery | 626 | 22.6 | 38.7 | 9.6 | 47.4 | 12.3 |
| Resident | 317 | 11.5 | 42.6 | 8.1 | 46.5 | 12.2 |
| Area Worker | 1591 | 57.5 | 42.6 | 8.7 | 47.1 | 11.9 |
| Passerby | 232 | 8.4 | 41.6 | 9.1 | 44.6 | 12.5 |
| Marital Status at Wave 4 | ||||||
| Married/Cohabitating | 1873 | 68.4 | 42.0 | 9.0 | 47.8 | 11.8 |
| Divorced/Separated/Widowed/Never Married | 867 | 31.6 | 40.9 | 8.9 | 44.7 | 12.6 |
| Social Support at Wave 4 | ||||||
| Low | 1191 | 44.1 | 40.4 | 9.2 | 42.2 | 12.5 |
| High | 1512 | 55.9 | 42.6 | 8.7 | 50.4 | 10.5 |
| Self-Efficacy at Wave 4 | ||||||
| Yes | 1189 | 43.5 | 43.3 | 8.7 | 52.4 | 9.8 |
| No | 1544 | 56.5 | 40.4 | 9.0 | 42.5 | 12.0 |
| Smoking—Wave 4 | ||||||
| Current | 159 | 5.8 | 40.1 | 9.0 | 43.4 | 11.5 |
| Former | 853 | 31.3 | 41.3 | 9.0 | 46.8 | 12.4 |
| Never | 1713 | 62.9 | 42.0 | 9.0 | 47.3 | 12.0 |
| Any Chronic Disease—Wave 4 *** | ||||||
| Yes | 211 | 8.6 | 37.8 | 9.0 | 44.2 | 13.3 |
| No | 2241 | 91.4 | 42.0 | 8.9 | 47.1 | 12.0 |
* Severity was missing on 55 individuals due to missing data on medical intervention after injury, ** PTSD checklist score ≥44 on any prior WTCHR survey, *** Diagnosed chronic conditions included asthma, heart disease, GERS, and non-neoplastic lung conditions.