Serum Vitamin D Level and Risk of Community-Acquired Pneumonia: A Case-Control Study

Table 3

Multivariate analysis of factors associated CAP with unconditional logistic regression taking cases and controls as the dependent variable.

	Coefficient β	Exp (B)	95% CI for exp (B)		P value
			Lower	Upper
Serum 25(OH)D, ng/mL	−0.001	0.999	0.937	1.065	0.973
Age (months)	−0.002	0.998	0.969	1.029	0.920
Female	−0.306	0.736	0.243	2.233	0.589
Household income >43,000 LKR	−2.212	0.109	0.021	0.567	0.008
Crowding	−2.185	0.112	0.011	1.106	0.061
Smoking	0.290	1.337	0.361	4.956	0.664

Continuous variables. Log-likelihood ratio = 76.82, Nagelkerke R² = 0.35, X² = 21.58, . CI, confidence interval; LKR, Sri Lankan rupees.