Table 2 Effect of health education intervention on participant’s knowledge about HCC, HBV, and HCV, pesticides, aflatoxins, and total knowledge
| Knowledge items | Pre-intervention | Post-intervention | Mcnemar’s test | p value | ||
|---|---|---|---|---|---|---|
| No | % | No | % | |||
| 1. HCC | ||||||
| Poor (0–16) | 60 | 33.5 | 2 | 1.1 | 56.017 | 0.000 |
| Good (17–32) | 119 | 66.5 | 177 | 98.9 | ||
| 2. HBV and HCV | ||||||
| Poor (0–9) | 20 | 11.2 | 0 | 0 | 18.050 | 0.000 |
| Good (10–18) | 159 | 88.8 | 179 | 100 | ||
| 3. Pesticides | ||||||
| Poor (0–9) | 29 | 16.2 | 0 | 0 | 27.034 | 0.000 |
| Good (10–18) | 150 | 83.8 | 179 | 100 | ||
| 4. Aflatoxins | ||||||
| Poor (0–13) | 104 | 58.1 | 2 | 1.1 | 100.010 | 0.000 |
| Good (14–26) | 75 | 41.9 | 177 | 98.9 | ||
| 5. Total knowledge | ||||||
| Poor (0–47) | 47 | 26.3 | 0 | 0 | 45.021 | 0.000 |
| Good (48–94) | 132 | 73.7 | 179 | 100 | ||
| Total | 179 | 100 | 179 | 100 | ||