Table 2.
Clinical and demographic characteristics of patients belonging to the early-, intermediate- and late-onset subgroups as identified by admixture analysis
| Demographic and clinical features | Early onset (N=279) | Intermediate onset (N=172) | Late onset (N=80) | P value |
|---|---|---|---|---|
| Gender | ||||
| Female (%) | 67.0% | 62.2% | 62.5% | .523b |
| Male (%) | 33.0% | 37.2% | 37.5% | |
| Martial status | ||||
| Single (%) | 63.2% | 43.4% | 41.2% | <.001b |
| Family history of psychiatric disordersa | ||||
| % | 59.7% | 57.4% | 65.9% | .625b |
| Comorbid psychiatric disorders | ||||
| Panic disorders | 17.8% | 17.4% | 15.2% | .866b |
| OCD | 7.6% | 9.9% | 7.5% | .663b |
| GAD | 43.4% | 41.9% | 30.0% | .095b |
| ADHD | 5.1% | 1.7% | 1.2% | .085b |
| Lifetime substance use | ||||
| Alcohol use | 30.8% | 25.6% | 27.5% | .475b |
| Alcohol dependence | 20.1% | 14.5% | 16.2% | .305b |
| Alcohol abuse | 13.4% | 12.7% | 12.9% | .977b |
| Lifetime substance dependence | 18.9% | 12.4% | 10.0% | .061b |
a
Positive family history is defined as the presence of Asia I disorder in the patients’ family pedigree.
b
P values refer in LRTs.