| Level of education | Out of school | Primary | Secondary | University | Total | Percentage (%) |
| Knowing the meaning of the expiry date p = 0.0042 | ||||||
| Meaning known | 69 | 46 | 132 | 80 | 327 | 78.42 |
| Meaning not known | 48 | 21 | 21 | 0 | 90 | 21.58 |
| Total | 117 | 67 | 153 | 80 | 417 | 100.00 |
| Perception of potential danger to the environment p < 0.001 | ||||||
| Danger | 81 | 36 | 123 | 71 | 311 | 74.58 |
| No danger | 17 | 11 | 10 | 2 | 40 | 9.59 |
| Neutral | 19 | 20 | 20 | 7 | 66 | 15.83 |
| Total | 117 | 67 | 153 | 80 | 417 | 100.00 |
| Checking the expiry date p < 0.001 | ||||||
| Effective verification | 57 | 37 | 123 | 75 | 292 | 70.02 |
| Audit not effective | 60 | 30 | 30 | 5 | 125 | 29.98 |
| Total | 117 | 67 | 153 | 80 | 417 | 100.00 |
| Use after expiry p < 0.001 | ||||||
| Use | 4 | 2 | 18 | 5 | 29 | 6.96 |
| No use | 71 | 43 | 112 | 74 | 300 | 71.94 |
| Neutral | 42 | 22 | 23 | 1 | 88 | 21.10 |
| Total | 117 | 67 | 153 | 80 | 417 | 100.00 |
| Reuse of medicines in the home p = 0.0051 | ||||||
| Reusable | 56 | 33 | 102 | 52 | 243 | 73.20 |
| No Reusable | 35 | 17 | 17 | 15 | 84 | 25.30 |
| Don’t know | 2 | 1 | 1 | 1 | 5 | 1.50 |
| Total | 93 | 51 | 120 | 68 | 332 | 100.00 |