Table 1.

Frequency of psychiatric morbidity in the sample

Type of psychiatric disorder	Reference period	Frequency % (N)	Frequency in males	Frequency in females
Common mental disorders
Depressive episode	Past week	2.3% (173)	2.4% (89)	3.5% (116)
Mixed anxiety and depression	Past week	9.0% (668)	6.4% (206)	10.3% (435)
Generalized anxiety disorder	Past week	4.3% (324)	3.4% (127)	5.3% (236)
Panic disorder	Past week	1.1% (80)	1.0% (32)	1.3% (51)
Phobia	Past week	1.4% (105)	1.3% (45)	2.7% (115)
Obsessive compulsive disorder	Past week	1.1% (82)	0.9% (31)	1.3% (55)
Dependence disorders
Drug dependence	Past year	3.3% (249)	4.5% (118)	2.4% (82)
Alcohol dependence	Past 6 months	5.9% (435)	8.6% (250)	3.3% (117)
Probable psychosis	Past year	0.5% (35)	0.4% (13)	0.5% (27)
Disorders established from screening
PTSD	Past 2 weeks	2.9% (213)	2.6% (76)	3.2% (139)
Eating disorder	Past year	1.5% (115)	0.6% (16)	2.5% (92)

N = 7047; weighted percentages, true count.