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Table 2 Prevalence and demographics of narcissistic personality disorder (NPD) in Chinese psychological counseling outpatients

From: Frequency of narcissistic personality disorder in a counseling center population in China

  In total NPD(n) (%) 95% CI Comparison OR 95% CI
Sample in all 1402 56 4.0 2.97%~ 5.03%
Gender
 1. Male 641 45 7.0 5.04%~ 9.00% 1~2 4.857 2.533~9.311
 2. Female 761 11 1.4 0.60%~ 2.29%
Age
 1. 18–28(years) 730 30 4.1 2.67%~ 5.55% 1~2 1.062 0.635~1.777
 2. 29–60(years) 672 26 3.9 2.41%~ 5.33%
Educational background
 1. High school degree or below 596 13 2.2 1.01%~ 3.35% 1~2 0.409 0.222~0.753
 2. College degree or above 806 43 5.3 3.78%~ 6.89%
Personal income (/ month / RMB)
 1. ~ 1000 518 22 4.2 2.51%~ 5.98% 1~2 1.499 0.776~2.896
 2. 1000~3000 494 14 2.8 1.37%~ 4.30% 1~3 0.828 0.459~1.496
 3. 3000~ 390 20 5.1 2.94%~ 7.32% 2~3 0.553 0.283~1.080
  1. Note: 95% CI 95% confidence interval, OR odds ratio