Table 1 Awareness rate of nutrition knowledge items among students at the pre- and post-intervention in the NE school and in the Control school
Nutrition knowledge item | Time | NE school | Control school | χ 2 | P |
|---|---|---|---|---|---|
Grain and cereals are the main energy source | Pre-intervention | 63.1 | 42.6 | 5.287 | 0.021 |
Post-intervention | 89.2 | 59.0 | 15.162 | 0.000 | |
Breakfast is the most important meal | Pre-intervention | 61.5 | 70.5 | 1.122 | 0.289 |
Post-intervention | 92.3 | 83.6 | 2.272 | 0.132 | |
People should drink at least six glasses of water (250 ml/glass) each day | Pre-intervention | 32.3 | 16.4 | 4.296 | 0.038 |
Post-intervention | 89.2 | 42.6 | 30.761 | 0.000 | |
The main function of dairy products is to build strong teeth and bones | Pre-intervention | 50.8 | 36.1 | 2.766 | 0.096 |
Post-intervention | 95.4 | 59.0 | 24.081 | 0.000 | |
The main function of vegetables is to protect against infections | Pre-intervention | 16.9 | 14.8 | 0.111 | 0.739 |
Post-intervention | 98.5 | 52.5 | 36.710 | 0.000 | |
Dairy products and beans are richer in calcium | Pre-intervention | 76.9 | 62.3 | 3.197 | 0.074 |
Post-intervention | 98.5 | 80.3 | 11.183 | 0.001 | |
Vegetables and fruits are richer in vitamin C | Pre-intervention | 90.8 | 86.9 | 0.481 | 0.488 |
Post-intervention | 100.0 | 98.4 | 1.074 | 0.300 | |
Meat is richer in protein | Pre-intervention | 26.2 | 31.1 | 0.385 | 0.535 |
Post-intervention | 87.7 | 54.1 | 17.402 | 0.000 | |
The symptoms of food poisoning depend on the types of causative germ | Pre-intervention | 16.9 | 23.0 | 0.719 | 0.397 |
Post-intervention | 89.2 | 50.8 | 22.384 | 0.000 | |
Inadequate preservation is most responsible for food poisoning | Pre-intervention | 63.1 | 68.9 | 0.467 | 0.494 |
Post-intervention | 92.3 | 85.2 | 1.589 | 0.207 |