Table 3.
Comparison of average energy density (energy per 100 g) of key discretionary food categories that demonstrated ≥15% difference in typical portion size (kJ) between 1995 and 2011–2012.
| 1995 | 2011–2012 | Mean Difference (95% CI) | |||||
|---|---|---|---|---|---|---|---|
| n | Mean (kJ) | SD | n | Mean (kJ) | SD | ||
| Pizza | 25 | 1076 | 120 | 63 | 1073 | 110 | −3 (−55, 50) |
| Cake | 238 | 1519 | 306 | 188 | 1502 | 215 | −17 (−69, 34) |
| Sausage | 29 | 1120 | 120 | 30 | 978 | 211 | −142 (−232, −52) * |
| Ice cream | 69 | 865 | 257 | 63 | 846 | 211 | −19 (−100, 63) |
| Cereal bar | 8 | 1063 | 97 | 43 | 1748 | 237 | 145 (43, 247) * |
| Potato fries | 46 | 1059 | 314 | 35 | 1023 | 244 | −36 (−164, 91) |
| Wine | 10 | 254 | 48 | 12 | 294 | 61 | 40 (−10, 90) |
Energy densities for individual products within each food category are obtained from the 1999 and 2011–2012 AUSNUT food nutrient database. n: number of food items. SD standard deviation, IQR: interquartile range. * p < 0.05.