Table 4.

Association different factors on goiter status among high school and preparatory students in Wolaita and Dawuro zones, Southern Ethiopia, April 2012

Variables	Goiter status		Crude OR (95% CI)	Adjusted OD (95% CI)
	Yes	No
Sex of the student
Male	137	253	1.00	1.00
Female	214	114	3.46 (2.54, 4.72)*	3.526 (2.55–4.87)*
Age of students (years)
10–14	20	32	1.00
15–19	301	306	1.57 (0.88–2.8)
20+	30	29	1.66 (0.78–3.528)
Permanent address of the student
Urban	197	224	0.81 (0.60, 1.10)
Rural	154	143	1.00	1.00
Climate condition
Dega	137	135	0.82 (0.55, 1.21)	0.775 (0.506–1.188)
Woina dega	122	159	0.62 (0.42, 0.91)*	0.617 (0.404–0.943)*
Kola	89	72	1.00	1.00
Topography of the area
Plain land	227	234	1.06 (0.78, 1.45)
Mountainous	122	132	1.00
Type of salt used
Non iodized (rock salt)	186	175	1.00
Iodized (table salt)	73	100	0.696 (0.48–1.00)
Both	91	90	0.93 (0.65–1.28)
How often you use iodized table salt in your home?
Not use	172	165	1.00	1.00
Always	62	91	0.65 (0.44–0.96)*	0.484 (0.317–0.739)*
Sometimes	117	111	1.01 (0.72–1.42)	0.876 (0.607–1.625)
Do you consume cassava?
Yes	317	267	3.49 (2.29–5.32)*	4.184 (2.6–6.707)*
No	34	100	1.00	1.00
How frequently consume cassava per week?
Not eat cassava	34	100	0.316 (0.184–0.54)*
Only 1 day	154	136	1.05 (0.679–1.634)
2 days	61	47	1.207 (0.708–2.057)
3 days	45	31	1.35 (0.748–2.437)
4 or more days	57	53	1.00
Do you consume cabbage?
Yes	331	353	1.000
No	20	14	0.66 (0.328–1.32)
How frequently did you consume cabbage?
No eat	20	14	0.66 ( 0.312–1.38)
Only 1 day	87	93	0.574 (0.275–1.199)
2 days	91	111	0.685 (0.309–1.52)
3 days	46	47	0.734 (0.352–1.53)
4 or more days	107	102	1.00
Family history of goiter
Yes	104	109	1.003 (0.728–1.382)
No	247	258	1.00

* Significant P value <0.05