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Table 1 Demographic information for millennium cohort study participants, 2011–2013 survey cycle (N = 135843)

From: Evaluation of a modified version of the Posttraumatic Growth Inventory-Short Form

Characteristics Population n (%)
Gender
 Men 95,321 (70.2)
 Women 40,522 (29.8)
Birth year
 Pre-1960 13,644 (10.0)
 1960–1969 23,147 (17.0)
 1970–1979 30,528 (22.5)
 1980+ 68,524 (50.4)
Education
 High school diploma or less 15,640 (11.5)
 Some collegea 67,803 (49.9)
 Bachelor’s degree 30,838 (22.7)
 Master’s degree/PhD 21,560 (15.9)
Marital status
 Never married 28,590 (21.1)
 Married 87,472 (64.4)
 Divorcedb 19,781 (14.6)
Race/ethnicity
 Non-Hispanic White 98,919 (72.9)
 Non-Hispanic Black 14,259 (10.5)
 Other 22,600 (16.6)
Military pay grade
 Commissioned or Warrant officer 31,251 (23.0)
 Enlisted 104,591 (77.0)
Service component
 Active duty 79,092 (58.2)
 Reserve 56,751 (41.8)
Branch of service
 Army 60,638 (44.6)
 Navy/Coast Guard 24,160 (17.8)
 Marines 10,988 (8.1)
 Air Force 40,057 (29.5)
Deployment status
 Nondeployed 51,162 (37.7)
 Deployed without combat 42,562 (31.3)
 Deployed with combat 42,119 (31.0)
Posttraumatic stress disorderc
 Yes 14,362 (10.7)
 No 120,126 (89.3)
Ever suffered a violent assault
 Yes 12,101 (8.9)
 No 123,742 (91.1)
Ever suffered a sexual assault
 Yes 10,617 (7.8)
 No 125,226 (92.2)
Other traumatic experiencesd
 Yes 60,525 (44.6)
 No 75,318 (55.4)
  1. Due to rounding, all percentages may not add up to 100. Not all characteristics had a population of 135,843 due to missing values
  2. aSome college includes completing an associate degree
  3. bDivorced includes those who have annulled their marriage, legally separated, and have been widowed
  4. cPosttraumatic stress disorder (PTSD) was ascertained by the 17-item PTSD Checklist–Civilian Version.28 Participants were considered to screen positive for PTSD if they met the criteria that correspond to DSM-IV diagnostic criteria.29
  5. dOther traumatic experiences was defined as participants who experienced traumatic events captured by the measure (e.g., witnessing a person’s death due to war, disaster, or a tragic event; seeing dead bodies)
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