Table 2. Univariate analysis of studied variables in the analyzed secondary school student population of urban area “Duhok” and rural areas of ‘Akre’, ‘Amedya’ and ‘Zakho’ districts.

Region	Variable	Category	Frequency	Percent (%)	Cum. Percent (%)	CI95 Lower (%)	CI95 Upper (%)	Region	Variable	Category	Frequency	Percent (%)	Cum. Percent (%)	CI95 Lower (%)	CI95 Upper (%)
Urban	Sex	Female	23	46.94	46.94	32.53	61.73	Rural	Sex	Female	22	53.66	53.66	37.42	69.34
		Male	26	53.06	100.00	38.27	67.47			Male	19	46.34	100.00	30.66	62.58
	S. areus colonization	No	189	79.41	79.41	73.71	84.36		S. aureus colonization	No	228	84.76	84.76	79.90	88.83
		Yes	49	20.59	100.00	15.64	26.29			Yes	41	15.24	100.00	11.17	20.10
	MRSA	No	47	97.92	97.92	88.93	99.95		MRSA	No	31	77.50	77.50	61.55	89.16
		Yes	1	2.08	100	0.05	11.07			Yes	9	22.50	100.00	10.84	38.45