Additional burden of asymptomatic and sub-patent malaria infections during low transmission season in forested tribal villages in Chhattisgarh, India

Table 5 Prevalence of sub-patent malaria infection by village, age, moderate to severe anaemia and LLINs use and type of parasite (n = 103)

Parameters	Category	Sub-patent malaria (%)	Patent malaria (N = 103)	Unadjusted odds ratio (95% CI)	P	Adjusted OR (95% CI)	P
Village	Hichka	13 (52.0)	25	1.2 (0.45–3.02)	0.756	0.91 (0.3–2.8)	0.863
	Kothodi	16 (61.5)	26	0.79 (0.30–2.1)	0.627	0.37 (0.1–1.35)	0.109
	Khalebedi	29 (55.8)	52	1
Age (years)	≥15	26 (57.8)	45	2.78 (1.25–6.25)	0.012	3.30 (1.3–8.4)	0.010
Age (years)	1–14	19 (32.8)	58	1	0.012	3.30 (1.3–8.4)	0.010
Moderate to severe anaemia (≤9.5 g/dl)	Yes	15 (71.4)	21	4.33 (1.52–12.35)	0.006	8.5 (2.3–31.3)	0.001
Moderate to severe anaemia (≤9.5 g/dl)	No	30 (36.6)	82	1	0.006	8.5 (2.3–31.3)	0.001
LLINs use	No	29 (49.2)	59	1.69 (0.76–3.76)	0.197	1.01 (0.4–2.6)	0.985
LLINs use	Yes	16 (36.4)	44	1	0.197	1.01 (0.4–2.6)	0.985
Parasite type	Pv	8 (72.7)	11	3.96 (0.98–15.93)	0.052	6.60 (1.4–32.3)	0.020
Parasite type	Pf	37 (40.2)	92	1	0.052	6.60 (1.4–32.3)	0.020

Subject level-sub-patent malaria positives, P value less than 0.05 are statistically significant

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