Table 3.

Multivariable logistic regression analysis at baseline/3rd month (n = 90).

	Semen volume	Sperm concentration	Total sperm count	Sperm motility	Sperm morphology
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
	p value	p value	p value	p value	p value
Age	1.20 (1.16–1.24)	1.19 (1.15–1.23)	1.42 (1.37–1.47)	1.11 (1.07–1.15)	1.17 (1.12–1.22)
	0.001	0.001	<0.001	0.186	0.113
Body Mass Index	1.14 (1.10–1.18)	1.13 (1.09–1.17)	1.36 (1.31–1.41)	1.06 (1.01–1.11)	1.13 (1.08–1.18)
	0.002	0.001	<0.001	0.202	0.132
Duration of infertility	1.17 (1.12–1.22)	1.16 (1.12–1.20)	1.39 (1.33–1.45)	1.08 (1.01–1.15)	1.15 (1.11–1.19)
	0.002	0.001	<0.001	0.188	0.115
Smoking cessation	1.16 (1.11–1.20)	1.18 (1.14–1.22)	1.41 (1.35–1.48)	1.06 (1.01–1.11)	1.13 (1.07–1.19)
	0.001	0.001	<0.001	0.196	0.138

OR odds ratio (Increase in semen parameters with smoking cessation).

CI confidence interval.