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Table 1 Sociodemographic Characteristics

From: Evaluation of an internet-based intervention for service members of the German armed forces with deployment-related posttraumatic stress symptoms

 Comparison of groups
Variables Total (n = 37)Waiting List (n = 17)Treatment Group (n = 20)Test statistics t (df)p
Sociodemographic characteristics
AgeM (SD)37.7 (8.8)37.8 (12.8)37.7 (6.86)0.01 (21.79).989
Marital statusa     .786
 Singlen (%)4 (11.1)1 (6.2)3 (15)  
 Relationshipn (%)5 (13.9)2 (12.5)3 (15)  
 Marriedn (%)19 (52.8)10 (62.5)9 (45)  
Educationa     .680
 Secondary school qualificationn (%)6 (16.7)3 (18.8)3 (15.0)  
 Secondary school certificaten (%)24 (66.7)11 (68.8)13 (65)  
 High school diploman (%)6 (16.7)2 (12.4)4 (20)  
Employment statusa     .894
 Fulltimen (%)29 (80.6)13 (81.2)16 (80)  
 Part-timen (%)1 (2.8)0 (0)1 (5)  
 Training/Apprenticeshipn (%)1 (2.8)0 (0)1 (5)  
 Unemployedn (%)5 (13.9)3 (18.8)2 (10)  
Joined the militaryYear (SD)2001 (9.9)2000 (12.5)2001 (7.6)−0.06 (21.87).950
Work statusa     .593
 Voluntary servicen (%)2 (6.1)2 (12.5)0 (0)  
 Temporaryn (%)20 (60.6)10 (62.5)10 (58.8)  
 Professionaln (%)8 (24.2)3 (18.8)5 (29.4)  
Military unita     .145
 Armyn (%)18 (51.4)10 (62.5)8 (42.1)  
 Air Forcen (%)5 (14.3)0 (0.0)5 (26.3)  
 Navyn (%)1 (2.9)1 (6.2)0 (0)  
 Medical servicen (%)3 (8.6)1 (6.2)2 (10.5)  
 Joint support servicen (%)8 (22.9)4 (25.0)4 (21.1)  
Military ranks
 Enlisted ranksn (%)10 (28.6)5 (31.2)5 (26.3)  
 Non-commissionedn (%)20 (57.1)10 (62.5)10 (52.6)  
 Commissioned officern (%)5 (14.3)1 (6.2)4 (21.1)  
Number of deploymentsM (SD)2.78 (3.12)1.75 (1.18)3.60 (3.9)−2.01 (23.24).056
Countrya     .634
 Afghanistann (%)25 (73.5)9 (60.0)16 (83.2)  
 Bosnian (%)2 (5.9)1 (6.7)1 (5.3)  
 Kosovon (%)5 (14.7)3 (20.0)2 (10.5)  
 Malin (%)1 (2.9)1 (6.7)0 (0)  
 Somalian (%)1 (2.9)1 (6.7)0 (0)  
  1. Note. ++Fisher′s exact test was used to test the significance of independence in categorical variable. The category “secondary school qualification” (Realschule) also includes “subject-restricted higher education entrance qualification” (Fachhochschulreife). df degrees of freedom, M mean, N sample size, PTSD posttraumatic stress disorder, SD standard deviation