Prevalence and determinants of anaemia in women of reproductive age in Sudan: analysis of a cross-sectional household survey

Table 3 Regression analysis for factors associated with anaemia in non-pregnant women, Sudan, 2016

Variables	Frequency	Unadjusted analysis		Adjusted analysis
Variables	Frequency	cOR^a(95%CI)	P. value^‡	aOR^b(95%CI)	p. value^‡
Type of place of residence (area classification)
Rural	2291	1	0.015	1	0.016
Urban	1231	1.135 (0.958–1.346)	0.144	1.134 (0.965–1.333)	0.126
IDP/Refugee Camps	200	1.505 (1.110–2.040)	0.008	1.499 (1.115–2.017)	0.007
Wealth index
Wealthiest	1052	1	0.193
High	972	0.972 (0.802–1.178)	0.772
Middle	627	0.967 (0.763–1.225)	0.778	–	–
Low	521	0.936 (0.714–1.227)	0.632
Poorest	550	1.289 (0.941–1.767)	0.114
Sanitation type
Safe sanitation facility	773	1	0.174	1	0.005
Unsafe sanitation facility	2096	0.860 (0.713–1.038)	0.116	0.854 (0.714–1.022)	0.085
Open defecation	853	0.983 (0.735–1.313)	0.906	1.122 (0.897–1.404)	0.313
Malaria infection (parasitaemia)
Negative	3608	1	< 0.001	1	< 0.001
Positive	114	2.756 (1.871–4.058)	< 0.001	2.776 (1.889–4.080)	< 0.001

^a cOR: Crude Odd Ratio. ^b aOR: Adjusted Odd Ratio
‡ p. values in bold reflect the overall exposure and are derived from the likelihood ratio test. p. value for variables with multiple exposure level are reported from the Wald test
Goodness-of-fit test (Hosmer and Lemeshow) for the adjusted final model for non-pregnant women X² 0.210 (4 degrees of freedom; p. value = 0.995)

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