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. Author manuscript; available in PMC: 2014 Oct 9.
Published in final edited form as: J Pers Disord. 2012 Jun;26(3):393–401. doi: 10.1521/pedi.2012.26.3.393

TABLE 1.

Prevalence of Borderline Personality Disorder by Age Groups and Gender at Shanghai Mental Health Center (1,353 males, 1,722 females)

Age group Male, n (%) Female, n (%) Total, N (%) χ2 (ν = 1) p
18–24 22 (5.3) 49 (10.9) 71 (8.2) 9.067 .003
25–34 19 (3.8) 69 (11.3) 88 (7.9) 21.263 .000
35–4 6 (2.3) 10 (2.5) 16 (2.4) 0.038 .846
45–60 1 (0.6) 2 (0.8) 3 (0.7) 0.50 .823
Total 48 (3.5) 130 (7.5) 178 (5.8) 22.321 <.01