Table 1.
Foods and portion size estimation aids considered in the present study
| Portion size estimation aids | |||||||
|---|---|---|---|---|---|---|---|
| Food group | Foods | Amount displayed | Quantities and measures | Reference objects | Household measures and utensils | Indicators on food packets | |
| Dairy | Cheddar cheese (grated) | 250 g bag | SS (food scales) | Tablespoon | Portion pot | ||
| Cheddar cheese (block) | 250 g block | SS (food scales) | Small matchbox | Demarcations | |||
| Grains | White rice (uncooked) | 500 g box | SS (food scales) | 200 ml disposable cup | Portion pot | Demarcations | |
| White penne pasta (cooked) | 920 g serving dish | SS (food scales) | 200 ml disposable cup | Portion pot | |||
| Cornflakes | 500 g box | SS (food scales) | 200 ml disposable cup | Portion pot | |||
| Rice Krispies | 510 g box | SS (food scales) | 200 ml disposable cup | Portion pot | |||
| Fruit and vegetables | Carrots | 240 g dish | SS (food scales) | 200 ml disposable cup | |||
| Orange juice | 1 litre carton | SS (measuring jug) | 200 ml disposable cup | Demarcations | |||
| Meat dishes | Lasagne | 1500 g dish | SS (food scales) | Food photo | |||
| Chicken pieces (cooked) | 520 g dish | SS (food scales) | Palm of hand | ||||
| Beef curry | 1040 g dish | SS (food scales) | Food photo | ||||
| High fat/sugar | Victoria sponge | 228 g cake | SS (food scales) | Food photo | Fraction | ||
| Spread | 500 g tub | SS (food scales) | Portion pack | Teaspoon | |||
| Crisps | 150 g share bag | SS (food scales) | |||||
| White wine | 750 ml bottle | SS (food scales) | Portion pot | Average wine glass | |||
| Mayonnaise | 400 g jar | SS (food scales) | Tablespoon | Measuring spoon | Tip of thumb | ||