Table 4.
Differences between paper bag and online lunch orders
| Paper bag n 122 orders, 229 items |
Online n 265 orders, 547 items |
Unadjusted | Adjusted‡ | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nutritional quality labels* | Mean | sd | Mean | sd | Mean difference (OR) | CI 95 % | Unadjusted P-value | Mean difference (OR) | CI 95 % | Adjusted P-value |
| % ‘Everyday’ items | 46 | 46 | OR: 1·13 | 0·81, 1·56 | 0·47 | OR: 1·06 | 0·75, 1·49 | 0·74 | ||
| % ‘Occasional’ items | 41 | 41 | OR: 0·95 | 0·69, 1·30 | 0·73 | OR: 0·92 | 0·66, 1·28 | 0·62 | ||
| % ‘Should Not Be Sold’ items | 13 | 14 | OR: 0·90 | 0·56, 1·46 | 0·68 | OR: 1·10 | 0·66, 1·83 | 0·72 | ||
| Average nutritional content† | ||||||||||
| Energy (kJ) | 1551·69 | 636·70 | 1763·36 | 786·14 | 218·97 | 53·34, 384·60 | 0·010 | 221·50 | 86·62, 356·39 | 0·001 |
| Saturated fat (g) | 4·44 | 3·08 | 5·01 | 3·32 | 0·70 | 0·03, 1·37 | 0·041 | 0·65 | 0·02, 1·28 | 0·043 |
| Sugar (g) | 14·65 | 14·07 | 19·20 | 14·98 | 5·54 | 2·36, 8·72 | <0·001 | 4·67 | 1·99, 7·36 | <0·001 |
| Na (mg) | 605·93 | 342·39 | 669·22 | 368·01 | 48·61 | –29·21, 126·43 | 0·22 | 64·30 | –13·40; 142·00 | 0·10 |
*
The denominator for the nutritional quality was all items ordered via that modality.
†
The unit of analysis for the nutritional content (energy, saturated fat, sugar and Na) was the order level (which could consist of multiple items).
‡
Analyses were adjusted for school sector, school SEIFA, school ARIA, student grade and number of items purchases. Analyses exclude five students whose grade could not be determined.