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International Journal of Bipolar Disorders

Table 1 Demographics of the patients with bipolar I disorder (N = 4876)

From: Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder

Parameter

Value

N

%

Gender

   
 

Female

2760

56.6

 

Male

2116

43.4

Polarity of first episodea

   
 

Manic/hypomanic

2302

48.8

 

Depressed

2419

51.2

Family history of mood disordera

  
 

No

2026

45.3

 

Yes

2448

54.7

Alcohol or substance abuse

   
 

No

3369

69.1

 

Yes

1507

30.9

State sponsored religion in country of onset

  
 

No

2662

54.6

 

Yes

2214

45.4

History of suicide attempt

   
 

No

3380

69.3

 

Yes

1496

30.7

Cohort group

   
 

DOB < 1940

179

3.7

 

DOB ≥ 1940 and DOB < 1960

1241

25.5

 

DOB ≥ 1960

3456

70.9

Parameter

 

Mean

SD

Age at time of data collection

 

47.8

14.4

Age of onset

 

25.7

10.6

  1. aMissing values excluded
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