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. Author manuscript; available in PMC: 2013 Apr 23.
Published in final edited form as: J Head Trauma Rehabil. 2012 Sep-Oct;27(5):349–360. doi: 10.1097/HTR.0b013e318268db94

Table 1.

Characteristics of Active Duty Service Members Returning from a Past Year Combat Deployment, by Frequent Binge Drinking (N= 7,155), weighted percentagesa

Total Study Sample N = 7,155 (100%) Frequent Binge Drinkers N = 1,597 (25.6%) Otherb N = 5,558 (74.4%) Design-based F Test P-value

Sex p≤.0001
 Male 5,754 (89.0%) 1,420 (94.1%) 4,334 (87.2%)

Age p≤.001
 17 – 20 366 (7.5%) 100 (9.2%) 266 (6.9%)
 21 – 25 2,386 (36.9%) 794 (52.2%) 1,592 (31.7%)
 26 – 34 2,459 (33.3%) 483 (27.9%) 1,976 (35.2%)
 35 or older 1,944 (22.3%) 220 (10.7%) 1,724 (26.3)

Service Branch p≤.0001
 Army 1,571 (37.3%) 418 (44.3%) 1,153 (34.9%)
 Navy 2,067 (27.2%) 442 (24.0%) 1,625 (28.2%)
 Marine Corps 1,478 (13.2%) 388 (16.2) 1,090 (12.1%)
 Air Force 1,835 (21.8%) 294 (14.8%) 1,541 (24.1%)
 Coast Guard 204 (0.6%) 55 (0.6%) 149 (0.6%)

Race/Ethnicity p≤.0001
 White, non Hispanic 4,240 (63.1%) 1,012 (68.9%) 3,228 (61.1%)
 Black, non Hispanic 1,189 (17.4%) 199 (12.4%) 990 (19.2%)
 Hispanic 1,056 (11.0%) 262 (11.9%) 794 (10.7%)
 Other, non Hispanic 670 (8.4%) 124 (6.8%) 546 (9.0%)

Marital Status p≤.0001
 Married/living as married 4,487 (61.7%) 768 (48.2%) 3,719 (66.4%)
 Divorced/separated 742 (9.6%) 197 (11.4%) 545 (9.0%)
 Never married 1,888 (28.6%) 615 (40.1%) 1,273 (24.6%)
 Widowed 14 (0.1%) 7 (0.3%) 7 (0.1%)

Education p≤.0001
 High School or Less 2,163 (34.7%) 738 (50.5%) 1,425 (29.2%)
 Some College 3,364 (46.2%) 685 (40.2%) 2,679 (48.3%)
 College Graduate 1,628 (19.1%) 174 (9.3%) 1,454 (22.5%)

Pay Grade p≤.0001
 E1–E3 798 (9.5%) 285 (14.2%) 513 (7.9%)
 E4–E6 4,159 (66.1%) 1,051 (73.3%) 3,108 (63.5%)
 E7–E9 873 (10.3%) 121 (5.9%) 752 (11.8%)
 W1–W5 193 (1.1%) 26 (0.6%) 167 (1.3%)
 O1–O3 694 (8.3%) 85 (4.5%) 609 (9.6%)
 O4–O10 438 (4.7%) 29 (1.5%) 409 (5.8%)

Combat Deployments Since 9/11/01 N/S
 1 3,042 (44.6%) 691 (46.9%) 2,351 (43.9%)
 2 1,923 (27.2%) 428 (27.0%) 1,495 (27.3%)
 3 or more 2,048 (28.1%) 443 (26.1%) 1,605 (28.8%)

Lifetime Combat Exposurec p≤.0001
 None 1,989 (26.3%) 377 (21.3%) 1,612 (28.0%)
 Moderate 2,569 (33.7%) 459 (26.0%) 2,110 (36.3%)
 High 2,263 (40.0%) 667 (52.6%) 1,596 (35.7%)

Mental Health Problems (Y/N)
 PTSD positive screen, past monthd 839 (13.4%) 350 (24.6%) 489 (9.6%) p≤.0001
 Positive depression screen, past yeare 1,482 (22.3%) 482 (32.1%) 1000 (19.0%) p≤.0001
 Suicidal ideation, past year 325 (5.0%) 124 (8.5%) 201 (3.8%) p≤.0001
a

Weighted percentages are shown to better show policy relevant findings. The table shows unweighted N’s. The weighted N for the study sample is 393,884, with 87,915 frequent binge drinkers and 305,969 non-frequent binge drinkers. Some participants did not answer all relevant questions.

b

The “other” comparison group includes non-drinkers, those who drink but do not binge, and those who binge but do not meet requirement for frequent binge drinking.

c

Lifetime combat exposure was measured assessing the number of times service members were exposed to 17 experiences including exposure to incoming fire, mines, improvised explosive devises, viewing/handling dead bodies, firing on the enemy, suffering unit casualties, or being wounded in combat.

d

PTSD was measured with the PTSD Civilian Checklist (PCL-C), which consists of 17 items about the past 30 days using the standard diagnostic cutoff of a score of 50 or greater.

e

Depression was measured with the Version A Burnam depression screen that included one item from the Center for Epidemiologic Studies (Depression Scale) and two items from the Diagnostic Interview Schedule. Service members were identified as needing further evaluation or assessment for depression if they reported symptoms for over two weeks in the past year, or reported 2+ lifetime years of feeling depressed ‘much of the time’ and felt depressed at least 1 day in the past week.