Prevalence and Risk Factors of Asymptomatic Plasmodium Infection in Gondar Zuria District, Northwest Ethiopia

Figures & data

Table 1 Sociodemographic Characteristics of Study Participants in Gondar Zuria District, Northwest Ethiopia, 2019

Sociodemographic Variables	Category	Frequency	Percentage
Sex	Male	117	46.6
	Female	134	53.4
Age group (years)	<5	33	13.1
	5–14	81	32.3
	15–29	53	21.1
	30 and above	84	33.5
Marital status	Married	96	38.2
	Single	142	56.6
	Widowed/divorced	13	5.2
Educational status	Unable to read and write	150	59.7
	Read and write	86	34.3
	Primary school and above	15	6.0
Kebele	Tachtseda	131	52.2
	Hamsafeg	120	47.8
Household size	1–5	81	32.3
	>5	170	67.7
Previous history of malaria	Yes	157	62.5
	No	94	37.5
ITN availability	Yes	247	98.4
	No	4	1.6

Table 2 Prevalence of Asymptomatic Plasmodium Infection by Sex and Age Group in Gondar Zuria District, Northwest Ethiopia, 2019

	Asymptomatic Plasmodium Infection Status				Total	χ^2	P-value
	Positive (n)	Percentage (%)	Negative (n)	Percentage (%)
Sex
Male	14	5.6	103	41.0	117	0.67	0.41
Female	16	6.4	118	47.0	134
Total	30	12	221	88.0	251
Age group (years)
<5	5	2	28	11.2	33	2.26	0.68
5–14	7	2.8	74	29.5	81
15–29	11	4.4	42	16.7	53
30 and above	7	2.8	77	30.6	84
Total	30	12	221	88	251

Table 3 Bivariate and Multivariate Analysis of Factors Associated with Asymptomatic Plasmodium Infection in Gondar Zuria District, Northwest Ethiopia, May to June 2019

Variables		Malaria			OR (95% CI)		P-value
		Pos	Neg	Total	COR	AOR
Sex	Male	14	103	117	1.002 (0.46–2.15)	0.59 (0.21–1.64)	0.312
	Female	16	118	134	1	1
Age group (years)	<5	5	28	33	2.73 (0.60–12.35)	2.30 (0.38–13.69)	0.357
	5–14	7	74	81	1.45 (0.37–5.89)	2.58 (0.50–13.13)	0.252
	15–29	11	42	53	4.01 (1.04–15.38)	6.36 (1.30–30.97)	0.022
	30 and above	7	77	84	1	1
Family size	≤5	8	73	81	1	1
	>5	22	148	170	1.35 (0.57–3.19)	1.39 (0.44–4.34)	0.56
Previous history of malaria	Yes	26	131	157	5.08 (1.71–15.05)	3.69 (1.06–12.78)	0.039
	No	4	90	94	1	1
ITN usage	Daily	5	166	171	1	1
	Sometimes	4	27	31	4.91 (1.24–19.47)	5.12 (1.25–20.82)	0.023
	Never	21	28	49	24.9 (8.67–71.46)	24.8 (8.26–74.56)	0.001
IRS coverage	Within a year	9	105	114	1	1
	More than a year	21	116	137	0.47 (0.20–1.08)	0.38 (0.14–1.02)	0.056

Abbreviations: Pos, positive; Neg, negative; OR, odds ratio; COR, crude odds ratio; AOR, adjusted odds ratio.