Assessment of the relationship between bacteriological quality of dug-wells, hygiene behaviour and well characteristics in two cholera endemic localities in Douala, Cameroon

Table 6 Relationship between well characteristics and Vibrio counts of samples

Characteristic	Category	Mean counts (CFU/ml)	SE Mean	StDev	Range (CFU/ml)	Correlation coefficient (P value)
Condition of well aperture	Covered	7.19 × 10²	82	1171	0-8.0 × 10³
Condition of well aperture	Not covered	9.42 × 10²	81	1267	0-7.6 × 10³
Height of well casing above the ground (m)	0.00	1.00 × 10³	274	1424	0-6.60 × 10³	−0.023 (0.483)
	0.1-0.59	8.58 × 10²	92	1322	0-8.00 × 10³
	≥0.60	8.04 × 10²	75	1107	0-7.20 × 10³
Distance between wells and sanitary structure (m)	1.0-10.00	9.18 × 10²	70	1262	0-7.6 × 10³	−0.157 (0.000)
	10.1-15.00	6.80 × 10²	114	1186	0-8.0 × 10³
	≥15.00	4.16 × 10²	119	506	3.0 × 10¹- 1.6 × 10³
State of well	New	6.09 × 10²	173	899	0-3.0 × 10³
	Fairly old	6.69 × 10²	97	1125	0-7.0 × 10³
	Old	9.50 × 10²	77	1295	0-8.0 × 10³
Presence of molded casing	No	8.78 × 10²	134	1271	0-8.0 × 10³
	Yes	8.36 × 10²	65	1222	0-7.20 × 10³

Well aperture (χ² = 9.574, df = 1, P = 0.002).Well height: TVC (χ² = 0.767, df = 2, P = 0.682).
Distance well-pit latrine: TVC (χ² = 2.852, df = 2, P = 0.240). State of well (χ² = 15.435, df = 2, P = 0.000). Well casing (χ² = 0.387, df = 1, P = 0.534).

ISSN: 1471-2458