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. 2017 Oct 1;8(4):207–216. doi: 10.15171/ijoem.2017.1100
Table 1: Demographic characteristics of the studied groups. Figures are either mean (SD) or n (%).
Variable Exposed group (n=60) Unexposed group (n=60) p value
Age (yr) 35.8 (9.2) 38.5 (8.7) 0.958
Height (cm) 174.1 (7.2) 175.1 (6.3) 0.326
Weight (kg) 78.2 (13.0) 80.5 (11.5) 0.174
BMI (kg/m2) 25.8 (3.9) 26.3 (3.7) 0.689
Length of employment (yr) 11.1 (7.1) 12.5 (8.7) 0.052
Level of education
Illiterate 42 (70%) 7 (12%) 0.001
Diploma 15 (25%) 14 (23%)
Graduate 2 (3%) 23 (38%)
Post graduate 1 (2%) 16 (27%)
Marital status
Single 4 (7%) 10 (17%) 0.084
Married 56 (93%) 50 (83%)
Smokers
Yes 26 (43%) 16 (27%) 0.084
No 34 (57%) 44 (73%)
Length of smoking (yr) 3.7 (5.9) 2.7 (8.2) 0.100
Number of cigarettes smoked per day 2.3 (5.3) 1.1 (3.4) 0.073