Table 6.
Percentage of Women with Self-Reported Combat and Military Sexual Assault Experiences by Different Missingness Mechanisms and Study-Arm Manipulation
| Characteristic | Overall N = 480 |
What Veterans were told about content | How name was obtained | Honoraria | Range across manipulations | ||||
|---|---|---|---|---|---|---|---|---|---|
| Combat n = 160 |
Unwanted Sexual Attention n = 160 |
Lifetime/military experiences n = 160 |
List of OEF/OIF/OND Veterans n = 240 |
List of Veterans Applying for disability benefits n = 240 |
$20 n = 240 |
$40 n = 240 |
|||
| Self-reported combat if | |||||||||
| Missing completely at random | 64.2% | 63.5% | 73.5% | 66.8% | 67.7% | 67.0% | 67.4% | 10.0 | |
| Missing at random | 62.3% | 60.6% | 71.4% | 65.8% | 63.7% | 63.9% | 65.6% | 10.8 | |
| Not missing at random | 55.6% | 53.2% | 63.7% | 56.8% | 58.3% | 56.4% | 58.7% | 10.5 | |
| Variance across the 3 missingness assumptions | 0.00197 | 0.00282 | 0.00266 | 0.00303 | 0.00223 | 0.00297 | 0.00211 | 0.00106 | |
| Range across the 3 assumptions | 8.6 | 10.3 | 9.8 | 10.0 | 9.4 | 10.6 | 8.7 | 2.0 | |
| Combat exposure per VA administrative data (%) | 41.3% | 40.6% | 37.5% | 45.6% | 38.8% | 43.8% | 43.3% | 39.2% | 6.3 |
| Self-reported military sexual assault if: | |||||||||
| Missing completely at random | 50.1% | 64.3% | 52.5% | 54.3% | 57.2% | 61.2% | 50.2% | 14.2 | |
| Missing at random | 51.0% | 66.5% | 51.6% | 54.8% | 57.9% | 60.8% | 51.9% | 15.5 | |
| Not missing at random | 49.8% | 59.6% | 47.5% | 50.7% | 54.0% | 57.3% | 47.3% | 12.3 | |
| Variance across the 3 missingness assumptions | 0.00004 | 0.00124 | 0.00071 | 0.00050 | 0.00043 | 0.00046 | 0.00054 | 0.0012 | |
| Range across the 3 assumptions | 1.2 | 6.9 | 5.0 | 4.1 | 3.9 | 3.9 | 4.6 | 5.7 | |
| Military sexual trauma exposure per VA administrative dataa | 45.6% | 43.8% | 45.0% | 48.1% | 45.5% | 45.8% | 45.4% | 45.8% | 4.3 |
VA Department of Veterans Affairs. aVA administrative data assesses military sexual assault plus severe sexual harassment