Effects of Soil-Transmitted Helminths and Intestinal Protozoan Infections on Haemoglobin Levels among School-Aged Children in Belo and Bui, North West Cameroon: A Cross-Sectional Study

Table 2

Prevalence of intestinal protozoan and STH infections according to the surveyed localities.

Variable	Djottin	Kumbo	Mbessa	Nkor	Total	value
Soil-transmitted helminth
Ascaris lumbricoides (%)	62 (14.7)	72 (8.5)	94 (24.9)	76 (20.3)	304 (15.1)	<0.001
Hookworm (%)	13 (3.1)	6 (0.7)	10 (2.6)	12 (3.2)	41 (2.0)	0.005
Strongyloides stercoralis (%)	3 (0.7)	3 (0.4)	3 (0.8)	8 (2.1)	17 (0.8)	0.019
Trichuris trichiura (%)	1 (0.2)	0 (0.0)	7 (1.9)	9 (2.4)	17 (0.8)	<0.001
At least one STH	74 (17.5)	81 (9.6)	114 (30.2)	100 (26.7)	369 (18.3)	<0.001
STH/IP coinfection	62 (14.7)	57 (6.8)	94 (24.9)	82 (21.9)	295 (14.6)	<0.001
Intestinal protozoa
Entamoeba hist/dispar (%)	131 (31.0)	122 (14.5)	124 (32.8)	135 (36.0)	512 (25.4)	<0.001
Giardia duodenalis (%)	33 (7.8)	55 (6.5)	28 (7.4)	23 (6.1)	139 (6.9)	0.744
At least one intestinal protozoan	159 (37.7)	168 (19.9)	147 (38.9)	152 (40.5)	626 (31.0)	<0.001
Anaemia
Severe	3 (0.7)	8 (0.9)	4 (1.1)	4 (1.1)	19 (0.9)	<0.001
Moderate	38 (9.0)	169 (20.0)	23 (6.1)	42 (11.2)	272 (13.5)
Mild	34 (8.1)	99 (11.7)	20 (5.3)	23 (6.1)	176 (8.7)
Total	75 (17.8)	276 (32.7)	47 (12.4)	69 (18.4)	467 (23.1)
Total	422	843	378	375

STH: soil-transmitted helminths; IP: intestinal protozoa; boldface numbers indicate significant values.