Table 3.
Gender Comparison of Impulse-Control Disorders in 791 College Studentsa
| Female (n = 537) | Male (n = 254) | Statistic | df | P Value | |
| Age, mean (± SD), y | 19.88 (1.222) | 20.12 (1.303) | Student t test = −2.500 | 788 | .013 |
| Ethnicity | |||||
| White | 487 (90.7) | 221 (87.0) | χ2 test = 2.059a | 1b | .151b |
| African American | 6 (1.1) | 5 (2.0) | |||
| Hispanic | 9 (1.7) | 5 (2.0) | |||
| Asian American | 28 (5.2) | 15 (5.9) | |||
| Native American | 1 (0.2) | 2 (0.8) | |||
| Other | 6 (1.1) | 5 (2.0) | |||
| Trichotillomania | 22 (4.1) | 9 (3.5) | χ2 test = 0.140 | 1 | .708 |
| Compulsive sexual behavior | 12 (2.2) | 17 (6.7) | χ2 test = 9.704 | 1 | .002 |
| Compulsive buying | 14 (2.6) | 1 (0.4) | χ2 test = 4.541 | 1 | .033 |
| Pyromania | 4 (0.7) | 4 (1.6) | Fisher exact test | .278 | |
| Pathological gambling | 0 (0.0) | 5 (2.0) | Fisher exact test | .003 | |
| Intermittent explosive disorder | 1 (0.2) | 3 (1.2) | Fisher exact test | .100 | |
| Kleptomania | 3 (0.6) | 0 (0.0) | Fisher exact test | .555 | |
| At least 1 impulse-control disorder | 49 (9.1) | 33 (13.0) | χ2 test = 2.776 | 1 | .096 |
| At least 2 impulse-control disorders | 6 (1.1) | 6 (2.4) | χ2 test = 1.789 | 1 | .181 |
| At least 3 impulse-control disorders | 1 (0.2) | 0 (0.0) | Fisher exact test | 1.00 | |
a
Values expressed as n (%) unless otherwise noted.
b
χ2 for this analysis is based on white versus nonwhite.