Table 2.
Familial Characteristics of Study Participants With and Without Premenstrual Dysphoric Disorder (PMDD)a
| Characteristic | Healthy Controls (n = 78) | Patients With PMDD (n = 70) | Statistic |
| Family history of psychiatric disorder | |||
| Absent | 70 (89.7) | 47 (67.1) | χ2 = 11.15, P = .001* |
| Present | 8 (10.3) | 23 (32.9) | |
| Diagnosis of psychiatric disorder in the family | |||
| Unipolar depression | 2 (2.6) | 8 (11.4) | NS |
| Anxiety disorder | 3 (3.8) | 13 (18.6) | |
| Somatoform disorder | 0 (0.0) | 1 (1.4) | |
| Psychotic disorder | 3 (3.8) | 1 (1.4) | |
| Family history of PMDD | |||
| Absent | 73 (93.6) | 48 (68.6) | χ2 = 15.48, P = .001* |
| Present | 5 (6.4) | 22 (31.4) |
a
Values are presented as n (%).
*
Indicates significance.
Abbreviation: NS = not significant.