Asymptomatic Plasmodium infections in 18 villages of southern Savannakhet Province, Lao PDR (Laos)

Malaria Journal

Table 5 Multiple logistic regression analysis to identify independently significant variables associated with P. vivax mono-infections (n = 99)

Covariates	Univariate analysis	P value	Multivariate analysis	P value
Covariates	Crude OR (95 % CI)	P value	Adj. OR (95 % CI)	P value
Sex male (n = 812)	3.35 (2.06–5.46)	<0.001	4.76 (2.84–8.00)^a	<0.001
Age (n = 812)	0.97 (0.96–0.99)	0.001	0.98 (0.96–0.99)^b	0.002
District Nong (n = 812)	0.21 (0.13–0.34)	<0.001	0.16 (0.10–0.27)^c	<0.001
History of Fever in the previous 48 h (n = 812)	0.78 (0.49–1.26)	0.31	1.02 (0.61–1.72)^d	0.92
Feeling ill in the previous 48 h (n = 812)	0.71 (0.47–1.09)	0.12	0.98 (0.62–1.55)^d	0.92
History of 3 or more malaria episodes (n = 802)	9.28 (4.96–17.36)	<0.001	1.56 (1.08–2.25)^d	0.02
Stay overnight in the forest in the last 3 months (n = 812)	3.06 (2.00–4.70)	<0.001	2.45 (1.17–5.11)^d	0.02
Travelled outside the village in the last 3 months (n = 812)	0.85 (0.51–1.39)	0.50	0.92 (0.54–1.57)^d	0.76
Bed net never used (n = 812)	1.28 (0.58–2.79)	0.31	1.55 (0.66–3.66)^d	0.45

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