Tobacco Use and Its Health Effects among Professional Athletes in Qatar

Table 1

Sample characteristics.

Variable	Mean SD	Smokers	Nonsmokers
	(%)
Age (years)	26.4 ± 5.1	26.0 ± 5.2	26.5 ± 5.0
Height (cm)	190.6 ± 11.9	191.0 ± 10.6	190.4 ± 12.4
Weight (kg)	91.5 ± 16.4	91.5 ± 16.3	91.4 ± 16.6
Nationality
Arab (%)	54 (50.0%)	21 (70.0%)	33 (42.3%)
Non-Arab (%)	54 (50.0%)	9 (30.0%)	45 (57.7%)
Years of professional playing
0–2	30 (27.8%)	9 (30.0%)	21 (26.9%)
3–5	29 (26.9%)	8 (26.7%)	21 (26.9%)
6–8	17 (15.7%)	2 (6.7%)	15 (19.2%)
≥9	32 (29.6%)	11 (36.7%)	21 (26.9%)
Mean sd years	6.3 ± 4.7	6.7 ± 5.2	6.1 ± 4.5