Mean ± Standard deviation

n (%)

Gender

Female

153 (28.2)

Male

390 (71.8)

Age

39.1 ± 8.5 years (Range: 20 - 67 years)

Marital status

Unmarried

271 (49.9)

Married

257 (47.3)

Divorced

8 (1.5)

Widowed

7 (1.3)

Education level

Primary education

13 (2.4)

Secondary education

187 (34.4)

Tertiary education

343 (63.2)

Monthly income level

Low

54 (9.9)

Middle

391 (72)

High

98 (18)

Types of enterprises

Private enterprise

282 (52)

Public enterprise

261 (48)

Types of professional activities

Administrative activity

299 (55)

Manual activity

244 (45)