Vitamin D levels in schoolchildren: a cross-sectional study in Kuwait

BMC Pediatrics

Table 5 Risk factors of low vitamin D levels (<25 nmol/L) in schoolchildren

Independent variables^a	Odds ratio	95% C.I.		P-value
		Lower	Upper
Age (<8.5 yrs. vs. older)	4.954	1.926	12.742	.001
Gender (male vs. female)	2.444	1.225	4.877	.011
PTH (<7 pmol/L vs. higher)	2.282	1.166	4.464	.016
Overweight (& obese vs. normal)	2.175	1.110	4.262	.024

^aEntered in logistic regression, with goodnes of fitness >0.05, an R squared value of 0.159–0.223 and a percentage accuray of 75% overall

ISSN: 1471-2431