. 2017 Mar 14;12(3):e0170898. doi: 10.1371/journal.pone.0170898

Table 3. Multilevel logistic regression for predictors of anaemia among children in Adami Tullu district in south-central Ethiopia, 2014 and 2015.

Variables		2014 (n = 2984)			2015 (n = 3128)
		Anaemic	Unadjusted ^† OR (95% CI)	Adjusted OR ^£ (95% CI)	Anaemic	Unadjusted ^† OR (95% CI)	Adjusted OR ^£ (95% CI)
		Cases N (%)	Unadjusted ^† OR (95% CI)	Adjusted OR ^£ (95% CI)	Cases N (%)	Unadjusted ^† OR (95% CI)	Adjusted OR ^£ (95% CI)
Sex	Boys	440 (28.7)	1.1 (0.6–0.9)	NA	593 (37.4)	1.1 (0.9–1.2)	NA
Sex	Girls	401 (27.6)	1.0	NA	558 (36.2)	1.0	NA
Age in months	6–35	526 (62.5)	2.2 (1.8–2.6)^*	2.0 (1.7–2.4)^*	705 (46.0)	2.4 (2.0–2.9) ^*	2.5 (2.1–3.0) ^*
Age in months	36–59	315 (37.5)	1.0	1.0	446 (28.0)	1.0	1.0
Height-for-age	<-2 Z-scores	468 (34.5)	1.9 (1.6–2.2)^*	1.6 (1.4–2.0)^*	642 (41.8)	1.6 (1.4–1.9) ^*	1.5 (1.3–1.8) ^*
Height-for-age	≥ -2 Z-scores	372 (22.9)	1.0	1.0	509 (32.0)	1.0	1.0
Weight-for-height	<-2 Z-scores	62 (27.1)	0.9 (0.7–1.3)	NA	37 (29.6)	0.7 (0.5–1.1)	0.6 (0.4–1.0)
Weight-for-height	≥ -2 Z-scores	777 (28.2)	1.0	NA	1114 (37.1)	1.0	1.0
Wealth status	Poor	300 (31.4)	1.4 (1.1–1.7)^*	1.3 (1.1–1.6)^*	420 (39.0)	1.3 (1.1–1.6) ^*	1.3 (1.1–1.6) ^*
	Middle	281 (27.7)	1.1 (0.9–1.4)	1.1 (0.8–1.3)	396 (38.1)	1.3 (1.1–1.6) ^*	1.3 (1.1–1.7) ^*
	Rich	259 (25.6)	1.0	1.0	333 (33.0)	1.0	1.0
Education of household head	Illiterate	378 (28.8)	1.1 (0.8–1.5)	NA	554 (39.4)	1.3 (1.0–1.7) ^*	1.5 (1.1–2.0) ^*
	Elementary	203 (28.6)	1.1 (0.8–1.5)	NA	273 (37.0)	1.0 (0.8–1.4)	1.2 (0.8–1.6)^*
	Secondary and above	260 (27.0)	1.0	NA	322 (32.8)	1.0	1.0
Intervention arm	IRS + LLINs	199 (26.8)	1.0	NA	310 (38.1)	1.0	NA
	LLINs alone	220 (28.6)	1.1 (0.9–1.4)	NA	282 (35.0)	0.9 (0.7–1.1)	NA
	IRS alone	199 (29.1)	1.2 (0.9–1.5)	NA	272 (38.5)	1.0 (0.8–1.3)	NA
	Routine	223 (28.3)	1.1 (0.8–1.4)	NA	287 (35.8)	0.9 (0.7–1.1)	NA

NA: Not Applicable because p >0.25

OR: Odds Ratio

*: Significant at P<0.05

†: bivariate analysis

£: Multivariate analysis

N: Number