Table 2.
Descriptive Information and Reliability Data for TBI-CareQOL Measures
| Combined Sample (N = 385) | ||||||
|---|---|---|---|---|---|---|
| Internal consistency* |
Test-retest stability** |
Floor % | Ceiling % | Administration time (seconds) M (SD) |
Average Administration time per item (seconds) |
|
| Caregiver-Specific HRQOL | ||||||
| TBI-CareQOL Caregiver-Specific Anxiety CAT | 0.93 | 0.93 | 4.18 | 0.26 | 40.08 (26.72) | 8.16 |
| TBI-CareQOL Caregiver Strain CAT | 0.92 | 0.93 | 5.21 | 0.26 | 32.26 (22.70) | 6.35 |
| TBI-CareQOL Feeling Trapped CAT | 0.92 | 0.94 | 14.32 | 0.26 | 41.53 (27.41) | 7.38 |
| TBI-CareQOL Feelings of Loss-Self CAT | 0.92 | 0.92 | 10.42 | 0.52 | 40.59 (28.04) | 6.96 |
| Generic HRQOL Concepts | ||||||
| TBI-QOL Resilience SF | 0.91 | N/A*** | 7.12 | 0.00 | 42.93 (25.05) | 5.37 |
| TBI-QOL Grief/Loss SF | 0.94 | 0.88 | 20.16 | 1.05 | 34.71 (19.21) | 4.96 |
| Neuro-QoL Positive Affect and Well Being CAT | 0.96 | 0.83 | 4.22 | 0.00 | 21.81 (14.82) | 5.04 |
| Neuro-QoL Positive Affect and Well Being SF | 0.95 | 0.87 | 6.60 | 0.00 | 38.70 (21.42) | 4.84 |
| NIH Toolbox General Life Satisfaction CAT |
0.93 | 0.88 | 4.51 | 0.27 | 30.15 (19.21) | 6.88 |
| NIH Toolbox Perceived Stress CAT | 0.87 | 0.92 | 1.84 | 0.00 | 90.14 (45.25) | 9.01 |
| NIH Toolbox Self-Efficacy CAT | 0.90 | 0.78 | 0.00 | 0.26 | 42.30 (25.99) | 6.99 |
| PROMIS Sleep Related Impairment CAT | 0.93 | 0.90 | 1.32 | 0.26 | 31.95 (26.54) | 5.67 |
| PROMIS Sleep Related Impairment SF | 0.95 | 0.91 | 3.41 | 0.52 | 41.88 (26.67) | 5.23 |
| Caregivers of Civilians with TBI (n = 218) | ||||||
| Internal consistency* |
Test-retest stability** |
Floor % | Ceiling % | Administration time (seconds) M (SD) |
Average Administration time per item (seconds) |
|
| Caregiver-Specific HRQOL | ||||||
| TBI-CareQOL Caregiver-Specific Anxiety CAT | 0.92 | 0.91 | 6.91 | 0.00 | 46.57 (30.13) | 8.99 |
| TBI-CareQOL Caregiver Strain CAT | 0.92 | 0.90 | 8.26 | 0.00 | 37.55 (24.48) | 6.82 |
| TBI-CareQOL Feeling Trapped CAT | 0.90 | 0.90 | 22.48 | 0.00 | 48.08 (29.36) | 7.58 |
| TBI-CareQOL Feelings of Loss-Self CAT | 0.90 | 0.92 | 16.06 | 0.46 | 46.03 (28.26) | 7.30 |
| Generic HRQOL Concepts | ||||||
| TBI-QOL Resilience SF | 0.91 | N/A*** | 8.80 | 0.00 | 44.60 (23.37) | 5.58 |
| TBI-QOL Grief/Loss SF | 0.93 | 0.86 | 24.77 | 0.00 | 37.57 (20.81) | 5.37 |
| Neuro-QoL Positive Affect and Well Being CAT | 0.96 | 0.84 | 6.48 | 0.00 | 23.94 (15.18) | 5.41 |
| Neuro-QoL Positive Affect and Well Being SF | 0.95 | 0.86 | 9.72 | 0.00 | 42.42 (23.56) | 5.30 |
| NIH Toolbox General Life Satisfaction CAT |
0.93 | 0.86 | 3.26 | 0.47 | 33.50 (17.51) | 7.62 |
| NIH Toolbox Perceived Stress CAT | 0.86 | 0.91 | 1.38 | 0.00 | 97.27 (49.06) | 9.73 |
| NIH Toolbox Self-Efficacy CAT | 0.90 | 0.77 | 6.94 | 0.46 | 47.64 (28.8) | 7.82 |
| PROMIS Sleep Related Impairment CAT | 0.92 | 0.85 | 1.86 | 0.00 | 36.04 (29.02) | 6.00 |
| PROMIS Sleep Related Impairment SF | 0.95 | 0.85 | 3.69 | 0.00 | 44.24 (26.95) | 5.53 |
| Caregivers of Service Members/Veterans with TBI (n = 167) | ||||||
| Internal consistency* |
Test-retest stability** |
Floor % | Ceiling % | Administration time (seconds) M (SD) |
Average Administration time per item (seconds) |
|
| Caregiver-Specific HRQOL | ||||||
| TBI-CareQOL Caregiver-Specific Anxiety CAT | 0.94 | 0.92 | 0.60 | 0.60 | 31.58 (18.32) | 7.07 |
| TBI-CareQOL Caregiver Strain CAT | 0.93 | 0.92 | 1.20 | 0.60 | 25.29 (17.92) | 5.73 |
| TBI-CareQOL Feeling Trapped CAT | 0.94 | 0.88 | 3.61 | 0.60 | 32.91 (21.89) | 7.11 |
| TBI-CareQOL Feelings of Loss-Self CAT | 0.93 | 0.87 | 3.01 | 0.60 | 33.53 (26.18) | 6.51 |
| Generic HRQOL Concepts | ||||||
| TBI-QOL Resilience SF | 0.92 | N/A*** | 4.91 | 0.00 | 40.69 (27.05) | 5.09 |
| TBI-QOL Grief/Loss SF | 0.95 | 0.85 | 14.02 | 2.44 | 30.89 (16.14) | 4.41 |
| Neuro-QoL Positive Affect and Well Being CAT | 0.96 | 0.73 | 1.23 | 0.00 | 19.03 (13.90) | 4.55 |
| Neuro-QoL Positive Affect and Well Being SF | 0.95 | 0.84 | 2.45 | 0.00 | 33.70 (16.98) | 4.21 |
| NIH Toolbox General Life Satisfaction CAT |
0.93 | 0.91 | 6.17 | 0.00 | 25.73 (12.78) | 5.92 |
| NIH Toolbox Perceived Stress CAT | 0.87 | 0.88 | 2.45 | 0.00 | 80.63 (37.70) | 8.06 |
| NIH Toolbox Self-Efficacy CAT | 0.90 | 0.76 | 8.54 | 0.00 | 35.19 (19.59) | 5.89 |
| PROMIS Sleep Related Impairment CAT | 0.93 | 0.90 | 0.61 | 0.61 | 26.53 (21.75) | 5.24 |
| PROMIS Sleep Related Impairment SF | 0.95 | 0.92 | 3.05 | 1.22 | 38.72 (26.05) | 4.84 |
Note. Mean retest interval is 19.7 days (SD = 6.5)
*
For SFs = Cronbach’s alpha; for CATs = mean standard error-based reliability
**
Test-retest stability assessed using ICC’s (criterion ≥0.70)
***
Resilience was not administered as part of the retest