Table 1.

Demographics, lifestyle and work characteristics of the participants (n = 251).

Characteristics	Sub-Division	n (%)
Gender	Male	145 (57.8)
	Female	106 (42.2)
Age (years)	26–30	30 (12.0)
	31–35	23 (9.2)
	36–40	59 (23.5)
	41–45	61 (24.3)
	46–50	50 (19.9)
	>50	28 (11.2)
Working hours per day	2–4	15 (6.0)
	5–6	95 (37.8)
	7–8	120 (47.8)
	9–10	14 (5.6)
	>10	7 (2.8)
Marital status	Never married	28 (11.2)
	Married	215 (85.7)
	Widowed	6 (2.4)
	Divorced	2 (0.8)
Smoking habits	Smokers	55 (21.9)
	Non-smokers	196 (78.1)
Sleeping hours per day	2–4	10 (4.0)
	5–6	79 (31.4)
	7–8	133 (53.0)
	9–10	26 (10.4)
	11–12	1 (0.4)
	>12	2 (0.8)
Job experience	1–5	22 (8.8)
	6–10	43 (17.1)
	11–15	51 (20.3)
	16–20	44 (17.5)