Teachers Area
Activity Data Sources
1. Baby and Toddler; Activity 2
Reference nutrient intakes (RNI) for energy and iron. (Baby 0-3 years)
| Age (months) | Iron RNI (mg) | Energy RNI (kcal) |
| 0-3 | 1.7 | 545 |
| 4-6 | 4.3 | 690 |
| 7-9 | 7.8 | 825 |
| 10-12 | 7.8 | 920 |
| 13-36 | 6.9 | 1230 |
Source: Department of Health. Dietary Reference Values for Food Energy and Nutrients for the United Kingdom. London: HMSO. 1991.
2. Adult; Activity 2
Energy Values of Selected Foods
To simplify calculations, energy values of a number of foods have been rounded up/down. Precise values may be found in the following table:
Energy values (kcal) of a range of foods.
 |
Weight (g) | Energy value Used in calculation (kcal) |
Precise Energy Value (kcal) |
| Beef, grilled rump steak, lean | 100 | 180 | 177 |
| Cauliflower, raw | 100 | 34 | 34 |
| Chocolate, plain | 100 | 500 | 510 |
| French Fries, retail | 100 | 280 | 280 |
| Granary bread | 100 | 240 | 237 |
| Low fat yoghurt, plain | 100 | 56 | 56 |
| Peanuts, plain | 100 | 560 | 563 |
| Potatoes (old), baked, flesh+skin | 100 | 136 | 136 |
Source: Food Standards Agency (2002) McCance and Widdowson's The Composition of Foods, Sixth Summary Edition. Cambridge: Royal Society of Chemistry.
Total energy used by a man aged 25 years (weighing 65 kg) to perform various activities
| Energy Expenditure (kcal/min) | |
| Sitting | 1.4 |
| Standing | 1.7 |
| Walking slowly | 3 |
| Walking moderately quickly | 5 |
| Jogging | 7 |
Source: Ministry of Agriculture, Fisheries and Food. Manual of Nutrition. London: HMSO, 1992
3. Older People; Activity 2
Contribution of food groups to calcium intake
| Food group | % Contribution to calcium intake |
| Milk and yoghurt | 34 |
| Breads | 17 |
| Cheeses | 9 |
| Meats | 6 |
| Vegetables | 5 |
| Cakes and biscuits | 6 |
| Others | 23 |
Source: Irish Universities Nutrition Alliance (2001). North/South Ireland Food Consumption Survey: Food and Nutrient Intakes, Anthropometry, Attitudinal Data & Physical Activity Patterns. Food Safety Promotion Board, Abbey Court, Lower Abbey Street, Dublin 1.
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