Table 3. Per-capita percentage dietary glycaemic load contribution from the top 20 food groups, stratified by age group.
| Food groups | 19–30 years | 31–50 years | 51–70 years | 71 + years | ptrend1 |
|---|---|---|---|---|---|
| Bread and bread rolls | 10.8 ± 13.2 | 13.6 ± 15.0† | 16.6 ± 16.4†‡ | 19.4 ± 14.5†‡§ | <0.001 |
| Cereal-based dishes | 15.0 ± 19.2 | 11.3 ± 17.8† | 7.4 ± 15.8†‡ | 3.9 ± 11.5†‡§ | <0.001 |
| Breakfast cereals (ready to eat) | 6.1 ± 10.7 | 6.1 ± 11.0 | 6.8 ± 11.2 | 8.9 ± 11.1†‡§ | <0.001 |
| Flours, cereals and starches | 7.3 ± 16.4 | 6.7 ± 16.1 | 6.3 ± 15.6 | 3.1 ± 10.4†‡§ | <0.001 |
| Potatoes | 5.2 ± 10.0 | 5.3 ± 10.0 | 5.5 ± 10.6 | 5.7 ± 9.5 | 0.036 |
| Sweetened beverages | 6.6 ± 11.2 | 4.5 ± 10.1† | 2.8 ± 8.7†‡ | 1.4 ± 5.0†‡ | <0.001 |
| Sugar, honey and syrups | 2.7 ± 5.1 | 4.2 ± 6.7† | 4.3 ± 7.2† | 5.2 ± 7.5† | <0.001 |
| Cake-type dessert | 3.0 ± 8.7 | 3.7 ± 9.8 | 4.3 ± 10.3 | 5.3 ± 11.4† | <0.001 |
| Fruits and vegetables juices, cordials | 3.9 ± 7.7 | 2.7 ± 6.6† | 2.3 ± 5.8† | 2.6 ± 6.3† | <0.001 |
| Fancy breads | 2.1 ± 6.3 | 2.8 ± 8.2 | 2.2 ± 7.5 | 1.9 ± 6.3 | 0.036 |
| Sweet biscuits | 1.9 ± 6.9 | 1.9 ± 4.4 | 2.4 ± 5.6 | 3.9 ± 6.5†‡§ | <0.001 |
| Dairy milk | 1.8 ± 2.9 | 2.0 ± 2.7 | 2.4 ± 4.0† | 3.0 ± 3.9†‡ | <0.001 |
| Tropical and subtropical fruit | 1.6 ± 4.5 | 2.0 ± 5.1 | 2.3 ± 5.2 | 3.5 ± 6.2†‡§ | <0.001 |
| Pastries | 2.2 ± 7.1 | 2.5 ± 7.4 | 2.7 ± 7.6 | 2.2 ± 6.0 | 0.760 |
| Pome fruit | 1.5 ± 3.5 | 1.9 ± 4.2 | 1.8 ± 3.8 | 2.2 ± 4.7 | <0.001 |
| Savoury biscuits | 1.2 ± 5.4 | 1.8 ± 5.6 | 2.1 ± 6.4† | 2.0 ± 5.1 | <0.001 |
| Poultry-based dishes | 2.4 ± 7.2 | 1.8 ± 6.7 | 1.3 ± 5.4† | 1.0 ± 4.5† | <0.001 |
| Pastas | 2.0 ± 7.6 | 1.5 ± 6.7 | 1.1 ± 5.4† | 0.4 ± 2.8†‡ | <0.001 |
| Chocolates | 1.4 ± 4.3 | 1.6 ± 5.0 | 1.8 ± 6.8 | 1.0 ± 3.2 | 0.283 |
| Frozen milk products | 1.0 ± 3.3 | 0.8 ± 3.2 | 1.2 ± 3.6 | 1.6 ± 4.6‡ | <0.001 |
| Other food groups | 20.4 ± 18.1 | 21.2 ± 17.8 | 22.2 ± 17.9 | 22.1 ± 16.4 | 0.001 |
Values were presented as mean ± SD. Data were weighted to account for over- or under-sampling to enable representation of the general Australian population.
1p for trend across age groups tested by linear regression.
†Indicates p < 0.001 when compared with participants aged 19–30 years.
‡Indicates p < 0.001 when compared with participants aged 31–50 years.
§Indicates p < 0.001 when compared with participants aged 51–70 years.