Table 1 Statistical summary of bacterial load, in public primary schools of Gondar city, Northwest Ethiopia, 2018. (n = 51)
Name of School | Number of classrooms | Mean | Standard deviation | Minimum | Maximum | Median |
|---|---|---|---|---|---|---|
Morning bacterial load | ||||||
School 1 | 5 | 702.00 | 316.44 | 390 | 1183 | 741 |
School 2 | 7 | 1131.00 | 515.87 | 559 | 2145 | 1066 |
School 3 | 3 | 450.67 | 314.52 | 208 | 806 | 338 |
School 4 | 8 | 5843.50 | 1973.45 | 3588 | 8528 | 5356 |
School 5 | 7 | 5588.14 | 2167.85 | 3341 | 9100 | 4420 |
School 6 | 8 | 3284.13 | 1185.78 | 2067 | 5668 | 3321.5 |
School 7 | 7 | 748.43 | 179.95 | 585 | 1105 | 767 |
School 8 | 6 | 2331.33 | 801.49 | 1430 | 3666 | 2158 |
Total | 51 | 2826.35 | 2408.76 | 208 | 9100 | 2093 |
Afternoon bacterial load | ||||||
School 1 | 5 | 1510.60 | 1267.53 | 728 | 3757 | 1001 |
School 2 | 7 | 5404.29 | 2320.31 | 2301 | 8502 | 5460 |
School 3 | 3 | 507.00 | 144.76 | 351 | 637 | 533 |
School 4 | 8 | 5073.25 | 2517.63 | 2600 | 9984 | 4082 |
School 5 | 7 | 7740.57 | 7228.03 | 2340 | 23,504 | 5304 |
School 6 | 8 | 1158.63 | 709.06 | 260 | 2652 | 994.5 |
School 7 | 7 | 4561.57 | 2031.61 | 819 | 7332 | 4332 |
School 8 | 6 | 7895.33 | 1403.10 | 5720 | 9880 | 7943 |
Total | 51 | 4514.63 | 3918.20 | 260 | 23,504 | 3939 |