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Table 1 Demographic characteristics of the sample

From: The comorbidity of borderline personality disorder and posttraumatic stress disorder: revisiting the prevalence and associations in a general population sample

Characteristics PTSD-only BPD-only Comorbid
(n = 3074) (n = 483) (n = 547)
n (column %, row %) n (column %, row %) n (column %, row %)
Gender    
 Male 815 (26.5, 67.8) 224 (46.4, 18.7) 162 (29.6, 13.5)
 Female 2259 (73.5, 77.8) 259 (53.6, 8.9) 385 (70.4, 13.3)
Age    
 20–29 381 (12.4, 63.2) 111 (23.0, 18.4) 111 (20.3, 18.4)
 30–44 1007 (32.8, 72.0) 181 (37.5, 12.9) 211 (38.6, 15.1)
 45–64 1246 (40.5, 77.6) 156 (32.3, 9.7) 203 (37.1, 12.6)
 65+ 440 (14.3, 88.5) 35 (7.2, 7.0) 22 (4.0, 4.4)
Race/Ethnicity    
 African American 661 (21.5, 75.1) 98 (8.8, 11.4) 121 (22.1, 13.8)
 American Indian/Alaskan 68 (2.2, 68.0) 11 (2.3, 11.0) 21 (3.8, 21.0)
 Asian/Pacific Islander 66 (2.1, 84.6) 9 (1.9, 11.5) 3 (0.5, 3.9)
 Caucasian 1774 (57.7, 75.4) 288 (59.6,12.2) 290 (53.0, 12.3)
 Hispanic 505 (16.4, 72.8) 77 (15.9, 11.1) 112 (20.5, 16.1)
Education    
 < High school 538 (17.5, 74.0) 82 (17.0, 11.3) 107 (19.6, 14.7)
 High school or equivalent 806 (26.2, 72.0) 156 (32.3, 13.9) 158 (28.9, 14.1)
 Some college+ 1730 (56.3, 76.7) 245 (50.7, 10.9) 282 (51.6, 12.5)
Marital status    
 Married/cohabiting 1483 (48.2, 78.6) 197 (40.8, 10.4) 206 (37.7, 10.9)
 Widowed/separated/divorced 1049 (34.1, 74.6) 159 (32.9, 11.3) 199 (36.4, 14.1)
 Never married 542 (17.6, 66.8) 127 (26.3, 15.7) 142 (26.0, 17.5)
Household income    
 $0–$19,999 890 (29.0, 70.7) 133 (27.5, 10.6) 236 (43.1, 18.7)
 $20,000–$34,999 677 (22.0, 75.3) 106 (21.9, 11.8) 116 (21.2, 12.9)
 $35,000–$59,999 681 (22.2, 73.8) 133 (27.5, 14.4) 109 (19.9, 11.8)
 $60,000+ 826 (26.9, 80.7) 111 (23.0, 10.9) 86 (15.7, 8.4)
U.S. region    
 New England 134 (4.4, 74.9) 15 (3.1, 8.4) 30 (5.5, 16.8)
 Mid Atlantic 414 (13.5, 74.6) 63 (13.0, 11.4) 78 (14.3, 14.1)
 East North Central 419 (13.6, 73.6) 60 (12.4, 10.5) 90 (16.5, 15.8)
 West North Central 173 (5.6, 80.1) 21 (4.3, 9.7) 22 (4.0, 10.2)
 South Atlantic 643 (20.9, 75.8) 103 (21.3, 12.1) 102 (18.6, 12.0)
 East South Central 212 (6.9, 75.7) 25 (5.2, 8.9) 43 (7.9, 15.4)
 West South Central 294 (9.6, 72.8) 52 (10.8, 12.9) 58 (10.6, 14.4)
 Mountain 230 (7.5, 75.2) 45 (9.3, 14.7) 31 (5.7, 10.1)
 Pacific 555 (18.1, 74.3) 99 (20.5, 13.3) 93 (17.0, 12.4)