Variable | Gender | Age in years | |||||
---|---|---|---|---|---|---|---|
 |  | 14 | 15 | 16 | 17 | 18 | 19 |
TV Viewing time (hours/day) | M | 2.00 ± 2.5 | 2.66 ± 2.0 | 2.64 ± 1.9 | 2.73 ± 1.9 | 2.54 ± 2.0 | 3.1 ± 2.1 |
 | F | 2.06 ± 1.6 | 3.19 ± 2.1 | 3.2 ± 2.3 | 2.97 ± 2.1 | 3.10 ± 2.3 | 3.39 ± 2.4 |
Computer use (hours/day)b, c | M | 3.00 ± 1.6 | 2.51 ± 2.3 | 2.61 ± 2.3 | 2.65 ± 2.2 | 2.94 ± 2.6 | 2.38 ± 2.5 |
 | F | 4.59 ± 3.1 | 3.35 ± 2.4 | 3.62 ± 2.8 | 3.56 ± 2.7 | 3.06 ± 2.4 | 3.51 ± 2.4 |
METs-min/week of Moderate -intensity physical activity a | M | 815.1 ± 553.9 | 1104.5 ± 1135.6 | 1018.5 ± 1110.5 | 919.6 ± 923.8 | 1085.5 ± 1266.6 | 784.1 ± 890.5 |
 | F | 778.3 ± 1089.2 | 818.1 ± 1020.2 | 791.8 ± 897.0 | 647.2 ± 754.1 | 817.9 ± 914.1 | 832.1 ± 831.7 |
METs-min/week of Vigorous -intensity physical activity a, b | M | 1793.1 ± 1222.3 | 2308.6 ± 2264.9 | 2292.3 ± 2465.0 | 2101.0 ± 2383.5 | 2008.8 ± 2141.5 | 1635.5 ± 2116.6 |
 | F | 359.9 ± 360.0 | 582.5 ± 916.3 | 636.5 ± 1012.8 | 479.8 ± 736.6 | 562.5 ± 865.9 | 274.3 ± 310.4 |
Total METs-min/week a, b | M | 2608.2 ± 1161.5 | 3295.5 ± 2850.8 | 3237.5 ± 3046.4 | 2907.3 ± 2851.5 | 2995.6 ± 2912.7 | 2258.9 ± 2662.9 |
 | F | 1094.9 ± 1239.0 | 1272.9 ± 1638.0 | 1348.8 ± 1560.9 | 1035.8 ± 1166.6 | 1264.7 ± 1466.8 | 1002.4 ± 874.0 |
Breakfast consumption (frequency/week)a, b, c | M | 4.5 ± 2.8 | 4.1 ± 2.7 | 4.1 ± 2.7 | 3.3 ± 2.6 | 3.7 ± 2.7 | 3.5 ± 2.8 |
 | F | 3.9 ± 2.6 | 3.6 ± 2.5 | 3.2 ± 2.6 | 3.4 ± 2.6 | 3.2 ± 2.6 | 1.8 ± 2.2 |
Vegetables Consumption (frequency/week) a | M | 3.8 ± 2.2 | 4.1 ± 2.5 | 3.7 ± 2.4 | 3.6 ± 2.4 | 3.7 ± 2.3 | 3.1 ± 2.3 |
 | F | 3.5 ± 2.1 | 3.9 ± 2.4 | 3.6 ± 2.3 | 3.5 ± 2.3 | 3.7 ± 2.4 | 2.9 ± 2.5 |
Fruits Consumption (frequency/week) a, b | M | 4.2 ± 2.4 | 3.7 ± 2.4 | 3.3 ± 2.2 | 3.2 ± 2.3 | 3.2 ± 2.3 | 2.6 ± 2.2 |
 | F | 2.9 ± 2.1 | 2.7 ± 2.3 | 2.6 ± 2.1 | 2.4 ± 2.1 | 2.4 ± 2.1 | 2.2 ± 2.3 |
Milk/dairy products intake (frequency/week) a, b | M | 4.8 ± 2.2 | 4.4 ± 2.5 | 4.2 ± 2.4 | 4.3 ± 2.4 | 4.6 ± 2.4 | 3.6 ± 2.7 |
 | F | 4.2 ± 2.4 | 4.0 ± 2.4 | 3.6 ± 2.5 | 3.7 ± 2.5 | 3.5 ± 2.7 | 2.2 ± 2.4 |
Sugar-sweetened drinks (frequency/week) | M | 3.5 ± 2.4 | 4.4 ± 2.3 | 4.7 ± 2.3 | 4.9 ± 2.4 | 4.8 ± 2.4 | 4.9 ± 2.4 |
 | F | 4.6 ± 2.6 | 4.0 ± 2.4 | 4.3 ± 2.3 | 4.2 ± 2.3 | 4.2 ± 2.4 | 4.7 ± 2.1 |
Fast foods (frequency/week) a, c | M | 2.3 ± 1.0 | 2.4 ± 1.9 | 2.9 ± 1.9 | 3.1 ± 2.0 | 3.0 ± 1.9 | 2.6 ± 2.0 |
 | F | 3.3 ± 2.0 | 2.5 ± 1.7 | 2.7 ± 1.9 | 2.6 ± 1.9 | 2.4 ± 1.6 | 2.9 ± 2.0 |
French fries/potato chips (frequency/week) | M | 2.7 ± 2.4 | 2.3 ± 2.0 | 2.5 ± 2.1 | 2.6 ± 2.1 | 2.5 ± 2.1 | 2.5 ± 2.1 |
 | F | 2.7 ± 2.2 | 2.7 ± 2.0 | 2.9 ± 2.0 | 2.9 ± 2.0 | 2.8 ± 2.1 | 3.0 ± 2.0 |
Cake/donuts (frequency/week) | M | 2.5 ± 1.9 | 2.1 ± 1.8 | 2.4 ± 2.0 | 2.6 ± 2.1 | 2.6 ± 2.2 | 2.5 ± 2.1 |
 | F | 2.7 ± 1.7 | 2.6 ± 2.1 | 2.7 ± 2.1 | 2.9 ± 2.1 | 2.7 ± 1.9 | 2.5 ± 2.1 |
Sweets (frequency/week) a, b | M | 2.3 ± 1.3 | 2.9 ± 2.3 | 3.2 ± 2.3 | 3.1 ± 2.3 | 3.0 ± 2.3 | 2.2 ± 2.3 |
 | F | 3.4 ± 2.1 | 3.9 ± 2.1 | 4.1 ± 2.3 | 4.0 ± 2.3 | 3.8 ± 2.3 | 3.7 ± 2.5 |
Energy drinks (frequency/week)b | M | 1.8 ± 2.3 | 1.3 ± 2.1 | 1.5 ± 2.0 | 1.7 ± 2.3 | 1.6 ± 2.1 | 1.8 ± 2.2 |
 | F | 1.1 ± 1.8 | 0.70 ± 1.5 | 0.99 ± 1.9 | 0.78 ± 1.6 | 1.0 ± 1.8 | 1.2 ± 1.8 |