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Distribution of type of cleaning aid used among both tribes
| Type of cleaning | Koya | % | Lambada | % |
|---|---|---|---|---|
| Tooth brush | 163 | 32.60 | 232 | 46.40 |
| Finger | 88 | 17.60 | 47 | 9.40 |
| Twig | 187 | 37.40 | 150 | 30.00 |
| Combinations | 62 | 12.40 | 71 | 14.20 |
| Total | 500 | 100.00 | 500 | 100.00 |
Chi-square = 540.6722, df = 6, p = 0.00001*
*P < 0.05
