Table 5.
Percentage of Men 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 | 89.3% | 93.0% | 91.1% | 95.5% | 83.8% | 90.1% | 92.3% | 9.2 | |
| Missing at random | 85.3% | 91.3% | 88.0% | 94.2% | 82.2% | 86.6% | 89.9% | 12.0 | |
| Not missing at random | 66.8% | 69.8% | 64.7% | 76.5% | 56.2% | 61.3% | 72.5% | 20.3 | |
| Variance across the 3 missingness assumptions | 0.0144 | 0.0167 | 0.0208 | 0.0113 | 0.0240 | 0.0247 | 0.0117 | 0.0134 | |
| Range across the 3 assumptions | 22.5 | 23.2 | 26.4 | 19.0 | 27.6 | 28.8 | 19.8 | 9.4 | |
| Combat exposure per VA administrative data | 67.1% | 65.0% | 73.1% | 63.1% | 65.8% | 68.3% | 65.0% | 69.2% | 10.0 |
| Self-reported military sexual assault if | |||||||||
| Missing completely at random | 5.2% | 5.6% | 9.8% | 5.6% | 7.7% | 10.4% | 4.1% | 6.3 | |
| Missing at random | 5.6% | 6.1% | 9.5% | 6.0% | 8.1% | 9.7% | 4.4% | 5.3 | |
| Not missing at random | 25.6% | 21.9% | 35.6% | 27.0% | 27.7% | 38.8% | 18.3% | 20.5 | |
| Variance across the 3 missingness assumptions | 0.0136 | 0.0086 | 0.0224 | 0.0150 | 0.0131 | 0.0276 | 0.0066 | 0.021 | |
| Range across the 3 assumptions | 20.4 | 16.3 | 25.8 | 21.4 | 20.0 | 28.4 | 14.2 | 14.2 | |
| Military sexual trauma exposure per VA administrative dataa | 2.1% | 3.1% | 1.3% | 1.9% | 2.1% | 2.1% | 1.7% | 2.5% | 1.4 |
VA Department of Veterans Affairs. aVA administrative data assesses military sexual assault plus severe sexual harassment