Relationship between Undernutrition and Periodontal Diseases among a Sample of Yemeni Population: A Cross-Sectional Study

Table 1

Sociodemographic characteristics of the study sample.

Variables		Frequency	%
Age	18–35	209	91.3
	35–45	20	8.7
Gender	Male	134	58.5
	Female	95	41.5
Occupation	Student	138	60.3
	House wife	32	14.0
	Retired	0	0.0
	Farmer	0	0.0
	Teacher	1	0.4
	Doctor	0	0.0
	Merchant	0	0.0
	Livestock breeder	0	0.0
	Craftsman	2	0.9
	Others	41	17.9
	Cannot find a job	15	6.6
Education level	Not educated	45	19.7
	Elementary	13	5.7
	Secondary	50	21.8
	Diploma	7	3.1
	Bachelor	114	49.8
	Master	0	0.0
Smoking	No	186	81.2
	Yes	43	18.8
Khat chewing	No	93	40.6
	Yes	136	59.4