Table 1.
Demographic and Military Service Characteristics Associated with Chronic Multisymptom Illness-Related Diagnoses
| Demographic characteristics | CMI dx/No CMI dx N = 27,037/544,570 |
Prevalence ratio (95% confidence interval) | ||
|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | ||
| Male sex | 5835/63,776 | 1 (ref) | 1 (ref) | 1 (ref) |
| Female sex | 21,202/480,794 | 1.98 (1.93, 2.04) | 2.02 (1.96, 2.07) | 2.05 (1.99, 2.11) |
| Age at first VHA visit | ||||
| 18–24 years | 6705/149,455 | 1 (ref) | 1 (ref) | 1 (ref) |
| 25–29 years | 6134/130,649 | 1.04 (1.01, 1.08) | 1.03 (1.00, 1.07) | 1.02 (0.98, 1.05) |
| 30–39 years | 7829/139,540 | 1.24 (1.20, 1.28) | 1.24 (1.20, 1.28) | 1.18 (1.13, 1.22) |
| 40+ years | 6364/124,856 | 1.13 (1.09, 1.17) | 1.16 (1.12, 1.20) | 1.10 (1.06, 1.15) |
| Race/ethnicity | ||||
| White | 12,713/272,580 | 1 (ref) | 1 (ref) | 1 (ref) |
| Black | 2877/59,153 | 1.04 (1.00, 1.08) | 0.91 (0.88, 0.95) | 0.90 (0.87, 0.94) |
| Hispanic | 3042/57,849 | 1.12 (1.08, 1.17) | 1.09 (1.05, 1.14) | 1.11 (1.06, 1.15) |
| Other | 1301/26,877 | 1.04 (0.98, 1.10) | 0.97 (0.91, 1.02) | 1.02 (0.96, 1.08) |
| Missing | 7104/128,111 | 1.18 (1.15, 1.21) | 1.13 (1.10, 1.17) | 1.21 (1.18, 1.25) |
| Marital status | ||||
| Not currently married | 14,374/307,192 | 1 (ref) | 1 (ref) | 1 (ref) |
| Married | 12,647/237,106 | 1.13 (1.11, 1.16) | 1.14 (1.11, 1.17) | 1.13 (1.10, 1.16) |
| Education | ||||
| High school or less | 20,899/425,082 | 1 (ref) | 1 (ref) | 1 (ref) |
| Greater than high school | 5791/112,449 | 1.05 (1.02, 1.08) | 0.95 (0.92, 0.98) | 1.02 (0.98, 1.05) |
| Military service characteristics | ||||
| Component | ||||
| Active duty | 15,265/315,391 | 1 (ref) | 1 (ref) | 1 (ref) |
| National Guard/reserve | 11,772/229,171 | 1.06 (1.03, 1.08) | 1.09 (1.07, 1.12) | 1.02 (1.00, 1.05) |
| Rank | ||||
| Enlisted | 25,256/501,990 | 1 (ref) | 1 (ref) | 1 (ref) |
| Officer | 1527/37,355 | 0.82 (0.78, 0.86) | 0.74 (0.70, 0.78) | 0.72 (0.68, 0.77) |
| Warrant | 254/5217 | 0.97 (0.86, 1.09) | 0.92 (0.81, 1.04) | 0.87 (0.77, 0.98) |
| Branch of service | ||||
| Army | 17,840/335,547 | 1 (ref) | 1 (ref) | 1 (ref) |
| Airforce | 3175/60,547 | 0.99 (0.95, 1.02) | 0.90 (0.87, 0.93) | 0.90 (0.87, 0.94) |
| Navy | 2953/70,546 | 0.80 (0.77, 0.83) | 0.73 (0.70, 0.76) | 0.74 (0.71, 0.77) |
| Marines | 3048/77,309 | 0.75 (0.72, 0.78) | 0.83 (0.80, 0.86) | 0.84 (0.81, 0.87) |
| Coast guard | 21/621 | 0.65 (0.43, 0.99) | 0.64 (0.42, 0.97) | 0.31 (0.12, 0.81) |
Model 1 unadjusted
Model 2 includes age, sex, and race/ethnicity
Model 3 includes age, sex, race/ethnicity, marital status, education and military characteristics
CMI chronic multisymptom illness