Table 1

Summary of demographic variables. Unless otherwise specified, values are given as N (%)

VariablesTotal N (%)Male N (%)Female N (%)
Mean age (range), years45.5 (34 to 67)44.7 (34 to 67)46.8 (35 to 61)
Sex16 (100)6 (38)10 (62)
Marital status
 Married8 (50)6 (100)2 (20)
 Single4 (25)0 (0)4 (40)
 Divorced3 (19)0 (0)3 (30)
 Widowed1 (6)0 (0)1 (10)
Education
Elementary school or lower9 (56)3 (50)6 (60)
 High school4 (25)2 (33)2 (20)
 University studies3 (19)1 (17)2 (20)
Occupation
Employed5 (31)3 (50)2 (20)
Unemployed10 (63)3 (50)7 (70)
Retired1 (6)0 (0)1 (10)
Tobacco consumption
 Non-smoker15 (94)6 (100)9 (90)
 Former smoker1 (6)0 (0)1 (10)
Children
 None4 (25)0 (0)4 (40)
 One to two7 (44)2 (33)5 (50)
 Three to four4 (25)3 (50)1 (10)
 Seven1 (6)1 (17)0 (0)