Table 7-3: table: 7-3Comparing Depressive and Bipolar Disorders

 

One-Year Prevalence (Percent)

Female-to-Male Ratio

Typical Age at Onset (Years)

Prevalence Among First-Degree Relatives

Percentage Receiving Currently Treatment

Major depressive disorder

8.0

2:1

24–29

Elevated

50.0

Persistent depressive disorder (with dysthymic syndrome)

1.5–5.0

Between 3:2 and 2:1

10–25

Elevated

36.8

Bipolar I disorder

1.6

1:1

15–44

Elevated

33.8

Bipolar II disorder

1.0

1:1

15–44

Elevated

33.8

Cyclothymic disorder

0.4

1:1

15–25

Elevated

Unknown

 

 

 

 

 

 

Information from: González et al., 2010;Taube-Schiff & Lau, 2008; Kessler et al., 2005, 1994; APA, 2000, 1994; Regier et al., 1993;Weissman et al., 1991.