Table 4.

Factors associated with schistosomiasis among the 614 study participants, April to July 2016, Lambaréné, Gabon

	Bivariate analysis
	N	n (%)	RR	95% CI (RR)	P-value
Hematuria					< 0.001
No	484	64 (13.2)	1	–
Yes	130	95 (73.1)	5.53	4.30–7.10
Proteinuria					< 0.001
No	494	105 (21.2)	1	–
Yes	120	54 (45.0)	2.12	1.63–2.75
Hemoglobin rate*					0.003
≥ 11	462	106 (22.9)	1	–
< 11	150	53 (35.3)	1.54	1.17–2.02
STH†
Trichuris trichiura	49	23 (46.9)	1.82	1.30–2.56	0.003
Hookworm	18	4 (22.2)	0.79	0.33–1.89	0.77
Ascaris lumbricoides	15	8 (53.3)	1.97	1.20–3.23	0.04‖
Strongyloides stercoralis	6	2 (33.3)	1.19	0.38–3.74	0.67‖
Any STH	71	28 (39.4)	1.52	1.09–2.12	0.03
Nutritional status					0.61
Underweight	33	6 (18.2)	0.68	0.32–1.42
Normal	493	132 (26.8)	1	–
Overweight	57	15 (26.3)	0.98	0.62–1.55
Obese	26	5 (19.2)	0.72	0.32–1.60
History of praziquantel treatment‡					0.007
No	545	132 (24.2)	1	–
Yes	62	25 (40.3)	1.66	1.18–2.33
History of STH infection treatment§					0.15
No	472	129 (27.3)	1	–
Yes	137	29 (21.2)	0.78	0.54–1.10

STH = soil-transmitted helminth.

^*Two missing data.

^†One hundred forty-two missing data.

^‡Seven missing data.

^§Five missing data.

^‖Fisher’s exact test.