Table 3.
Mean food consumption frequencies (days/week) by screen time and sleep duration category
| Food items | Screen time | Sleep duration | ||
|---|---|---|---|---|
| < 2 h/day* | ≥ 2 h/day* | < 9.7 h/day † | ≥ 9.7 h/day † | |
| (n=4870) | (n=5583) | (n=4782) | (n=5671) | |
| Mean consumption frequencies in days per week (SD) | ||||
| Fresh fruit | 5.4 (2.0) | 4.7 (2.2) | 4.8 (2.2) | 5.3 (2.1) |
| Vegetables (excluding potatoes) | 4.9 (2.1) | 4.3 (2.1) | 4.4 (2.1) | 4.8 (2.1) |
| 100% fruit juice | 2.6 (2.1) | 2.9 (2.1) | 2.7 (2.1) | 2.8 (2.1) |
| Soft drinks containing sugar | 2.3 (2.0) | 2.8 (2.1) | 2.5 (2.1) | 2.5 (2.1) |
| Diet/light soft drinks | 0.6 (1.2) | 0.9 (1.4) | 0.8 (1.3) | 0.8 (1.3) |
| Low-fat/semi-skimmed milk | 3.6 (3.0) | 3.0 (2.8) | 3.1 (2.9) | 3.4 (3.0) |
| Whole-fat milk | 2.0 (2.6) | 2.4 (2.5) | 2.2 (2.5) | 2.2 (2.6) |
| Flavoured milk | 1.8 (2.1) | 1.7 (1.9) | 1.7 (2.0) | 1.7 (2.0) |
| Cheese | 3.3 (2.3) | 3.4 (2.2) | 3.3 (2.2) | 3.4 (2.3) |
| Yoghurt, cream cheese/quark or other dairy products | 4.9 (2.2) | 4.6 (2.1) | 4.6 (2.1) | 4.8 (2.2) |
| Meat | 4.6 (1.8) | 4.7 (1.9) | 4.6 (1.9) | 4.6 (1.9) |
| Fish | 2.5 (1.5) | 2.3 (1.4) | 2.4 (1.4) | 2.5 (1.5) |
| Potato chips (crisps), corn chips, popcorn or peanuts | 1.8 (1.4) | 2.5 (1.7) | 2.2 (1.6) | 2.1 (1.6) |
| Candy bars or chocolate | 2.6 (1.6) | 3.5 (2.1) | 3.2 (2.0) | 2.9 (1.9) |
| Biscuits, cakes, doughnuts or pies | 2.6 (1.6) | 3.1 (1.9) | 2.9 (1.9) | 2.8 (1.8) |
| Pizza, French fries (chips), hamburgers, sausages or meat pies | 1.9 (1.2) | 2.4 (1.5) | 2.2 (1.5) | 2.1 (1.4) |
SD, standard deviation.
*This classification was based on the recommendation of the American Academy of Pediatrics to limit total media time to no more than 1 to 2 hours per day [32].
†This classification was based on the mean sleep duration of the total study population (9.7 hours/day).