Research Article
Bacteriological Assessment of Bottled Drinking Water Available at Major Transit Places in Mangalore City of South India
Table 3
Association between various characteristics with bacteriological acceptability status of water samples.
| | Characteristics | Acceptable (%) | Not acceptable (%) | Total |
| | Manufacturers | | | | | Regional companies | 2 (25) | 6 (75) | 8 | | National companies | 4 (66.7) | 2 (33.3) | 6 | | Multinational companies | 9 (90) | 1 (10) | 10 | | | | | X2 = 8.071, | | Site of collection | | | | | Bus stand | 11 (55) | 9 (45) | 20 | | Railway station | 4 (100) | 0 (0) | 4 | | | | | | | Batch number | | | | | Mentioned | 15 (71.4) | 6 (28.6) | 21 | | Not mentioned | 0 (0) | 3 (100) | 3 | | | | | | | Addition of minerals | | | | | Yes | 5 (100) | 0 (0) | 5 | | No | 10 (52.6) | 9 (47.4) | 19 | | | | | | | Period of manufacture | | | | | Current month | 11 (78.6) | 3 (21.4) | 14 | | Previous month | 4 (57.1) | 3 (42.9) | 7 | | Not mentioned | 0 (0) | 3 (100) | 3 | | | | | X2 = 6.629, | | Period of expiry | | | | | Beyond 6 months | 7 (87.5) | 1 (12.5) | 8 | | Within the next 6 months | 8 (61.5) | 5 (38.5) | 13 | | Not mentioned | 0 (0) | 3 (100) | 3 | | | | | X2 = 7.138, | | No. of purification techniques used | | | | | One | 5 (100) | 0 (0) | 5 | | 2 or 3 | 5 (45.5) | 6 (54.5) | 11 | | >3 | 5 (62.5) | 3 (37.5) | 8 | | | | | X2 = 4.364, | | Total | 15 | 9 | 24 |
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