| Storage factor | Category | OR | 95% CI | p-value |
| Temperature | Acceptable | 1 | (0.44 - 8.58) |
|
| Not acceptable | 2.0 | 0.38 | ||
| Sunlight | Acceptable | 1 | (0.47 - 7.13) |
|
| Not acceptable | 1.8 | 0.38 | ||
| Packaging material | Acceptable | 1 | (0.37 - 5.55) |
|
| Not acceptable | 1.4 | 0.61 | ||
| Storage period | Acceptable | 1 | (0.61 - 11.43) |
|
| Not acceptable | 2.6 | 0.19* |