Table 1 Demographics of Bipolar I patientsa (N = 6972)
From: Exploratory study of ultraviolet B (UVB) radiation and age of onset of bipolar disorder
Parameter | Value | N | % |
|---|---|---|---|
Gender | |||
Female | 4054 | 58.3 | |
Male | 2894 | 41.7 | |
First Episode | |||
Manic/Hypomanic | 3384 | 50.2 | |
Depressed | 3358 | 49.8 | |
Family History of Mood Disorder | |||
No | 3328 | 47.7 | |
Yes | 3644 | 52.3 | |
History of Alcohol or Substance Abuse | |||
No | 3492 | 69.5 | |
Yes | 1531 | 30.5 | |
History of psychosis | |||
No | 1986 | 35.4 | |
Yes | 3622 | 64.6 | |
Comorbid Anxiety/Panic/OCD | |||
No | 3854 | 77.4 | |
Yes | 1123 | 22.6 | |
Cohort Age Group | |||
DOB after 1979 | 1732 | 24.8 | |
DOB 1979–1960 | 3234 | 46.4 | |
DOB 1959–1940 | 1738 | 24.9 | |
DOB before 1940 | 268 | 3.8 | |
Onset Hemisphere | |||
Northern | 5679 | 81.5 | |
Southern | 1293 | 18.5 | |
Parameter | Mean | SD | |
Age of Onset | 25.6 | 10.4 | |