Table 4.
Retrospective survey of hygiene habits in students and bivariate analysis of risk factors exposures
| Exposure variables | Patients (%) | Controls (%) | P | χ2 |
|---|---|---|---|---|
| Total number surveyed* | 56 (38) | 90 (62) | ||
| Drink unboiled water/day | 51 (91) | 62 (69) | 0.001 | 9.64 |
| <½cup | 10 (18) | 22 (24) | ||
| 1 cup | 17 (30) | 11 (12) | 0.002 | 14.98 |
| ≥ cups | 24 (42) | 29 (32) | ||
| Breakfast | ||||
| Noodle | 13 (23) | 25 (28) | ||
| Rice porridge | 27 (48) | 44 (49) | 0.65 | 0.72 |
| Noodle + rice porridge | 16 (29) | 21 (23) | ||
| Lunch | ||||
| Noodle | 10 (18) | 14 (16) | ||
| Rice | 46 (82) | 76 (84) | 0.72 | 0.13 |
| Dinner | ||||
| Noodle | 3 (5) | 5 (5) | ||
| Rice | 53 (95) | 85 (94) | 0.95 | 0.001 |
| Hand washing | ||||
| Before meal | 26 (46) | 59 (66) | 0.023 | 5.05 |
| After toilet (with soap) | 3 (5) | 17 (18) | 0.02 | 5.31 |
*
162 students surveyed, 146 (90%) returned the questionnaire. Of the returned forms: 56 patients, 90 controls; 68 male, 78 female, respectively. Patients were suspected SPA cases.