Table 1: Demographic characteristics of the sample. Continuous variables shown as mean ± standard deviation and categorical variables as number (%).

Variables Patients
n = 35
Controls
n = 68
p
Female 26 (74) 46 (68) 0.49
Mean age (years) 40 ± 11 41 ± 13 0.70
Education Primary school 3 (10) 1 (2) 0.09
Secondary school 8 (28) 14 (21)
Higher education 18 (62) 51 (77)
Marital status Single 14 (48) 20 (30) 0.92
Married/cohabiting 15 (52) 46 (70)
Occupation Employed/ Work-seeker 15 (52) 61 (92) <0.001
Student 2 (7) 3 (5)
Retired 4 (14) 2 (3)
Welfare/sickness benefit 8(27) 0
Housing Renting 16 (55) 29 (44) 0.006
Own house/apartment 11 (38) 36 (55)
Other 2 (7) 1 (1)