Table 1.
Sample Characteristics
| Characteristic | M/n | SD/% |
|---|---|---|
| Age (M, SD) | 50.7 | 16.1 |
| Gender (n, %) | ||
| Female | 4747 | 11.4 |
| Male | 36823 | 88.6 |
| Race (n, %) | ||
| Black | 10201 | 24.5 |
| White | 26286 | 63.2 |
| Othera | 2161 | 5.1 |
| Asian | 715 | 1.7 |
| Native American/Alaska Native | 734 | 1.8 |
| Pacific Islander/Hawaiian | 677 | 1.6 |
| Missingb | 2957 | 7.1 |
| Declined to Answer | 1148 | 2.8 |
| Unknown to Patient | 239 | 0.6 |
| Missing in Chart | 1570 | 3.8 |
| Ethnicity (n, %) | ||
| Hispanic or Latino/a | 3810 | 9.2 |
| Not Hispanic or Latino/a | 36240 | 87.2 |
| Missingb | 1520 | 3.7 |
| Declined to Answer | 147 | 0.4 |
| Unknown by Patient | 386 | 0.9 |
| Missing in Chart | 987 | 2.4 |
| Service Era (n, %) | ||
| World War II/Koreac | 511 | 1.2 |
| WWII | 26 | 0.1 |
| Pre-Korea | 3 | 0.0 |
| Korea | 321 | 0.8 |
| Post-Korea | 161 | 0.4 |
| Vietnam | 11168 | 26.9 |
| Post-Vietnam | 3126 | 7.5 |
| First Gulf Ward | 12413 | 29.9 |
| OEF/OIF/ONDe | 14239 | 34.3 |
| Otherf | 113 | 0.3 |
| Other | 9 | 0.0 |
| None | 83 | 0.2 |
| Missing in Chart | 21 | 0.1 |
| Site of Screening (n, %)g | ||
| CBOC | 25369 | 61.0 |
| VAMC | 15977 | 38.4 |
| Site Rurality (n, %)h | ||
| Rurali | 14290 | 34.4 |
| Highly Rural | 524 | 1.3 |
| Rural | 13766 | 33.1 |
| Urban | 27067 | 65.1 |
Note. N = 41, 570.
CBOC = Community-Based Outpatient Center; VAMC = Veterans Affairs Medical Center.
Other = category used for analyses that subsumes veterans who identified as Asian, Native American/Alaska Native or Pacific Islander/Hawaiian
Missing = category used for analyses that subsumes Declined to Answer, Unknown by Patient, and Missing in Chart
World War II/Korea = category used for analyses that subsumes veterans who served during World War II, the pre-Korean War era, the Korean War, and the post-Korean War era
First Gulf War = category used for analyses that includes veterans who served during the Gulf War era prior to 9/11/2001
OEF/OIF/OND = category used for analyses that includes veterans who served during the Second Gulf War era starting on or after 9/11/2001 in service of Operation Enduring Freedom, Operation Iraqi Freedom, and/or Operation New Dawn
Other = category used for analyses that subsumes veterans whose reported service era was Other Non-Veteran or Other or None, or who had missing data
Missing data for this variable was less than 0.05% of the sample (n = 224) and was dropped from subsequent analyses
Missing data for this variable was less than 0.05% of the sample (n = 213) and was dropped from subsequent analyses
Rural = category used for analyses that subsumes veterans who were seen in either Highly Rural or Rural Settings.