Table 6

Relationship between well characteristics andVibriocounts 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
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).

Akoachere et al.

Akoachere et al. BMC Public Health 2013 13:692   doi:10.1186/1471-2458-13-692

Open Data