Social life and habits
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Ever tried smoking | 77 | 19 | 24.7 | 60 | 7 | 11.7 | 0.05 |
Current smoker (⩾1 cigarette a day) | 77 | 7 | 9.1 | 60 | 0 | 0.0 | 0.04 |
Any of friends smoke | 77 | 31 | 40.3 | 60 | 16 | 26.7 | 0.10 |
Any of siblings smoke | 76 | 21 | 27.6 | 60 | 10 | 16.7 | 0.13 |
Father smokes | 75 | 48 | 64.0 | 60 | 44 | 73.3 | 0.25 |
Mother smokes | 77 | 40 | 51.9 | 60 | 34 | 56.7 | 0.58 |
Drinks alcohol | 77 | 4 | 5.2 | 60 | 6 | 10.0 | 0.28 |
Ever alone on a date | 77 | 25 | 32.5 | 58 | 9 | 15.5 | 0.03 |
No help at home in the morning | 76 | 39 | 51.3 | 60 | 18 | 30.0 | 0.01 |
Helps with housework | 77 | 30 | 39.0 | 60 | 22 | 36.7 | 0.78 |
Prepares own clothes | 77 | 27 | 35.1 | 50 | 15 | 30.0 | 0.55 |
Leaves home after 8 am | 66 | 33 | 50.0 | 40 | 15 | 37.5 | 0.21 |
Evening activities limited to TV | 77 | 42 | 54.5 | 50 | 40 | 80.0 | 0.003 |
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Nutritional habits
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Lunch mostly outside home | 75 | 25 | 33.3 | 49 | 6 | 12.2 | 0.01 |
Dinner mostly outside home | 76 | 7 | 9.2 | 49 | 1 | 2.0 | 0.11 |
Usually eats vegetables daily | 76 | 44 | 57.9 | 59 | 48 | 81.4 | 0.004 |
Usually eats fruits daily | 76 | 48 | 62.3 | 60 | 49 | 81.7 | 0.01 |
Cups of milk per day, mean (SD) | 74 | 0.54 (0.71) | 59 | 0.78 (0.79) | 0.07 |
Cups of tea per day, mean (SD) | 75 | 1.39 (1.08) | 60 | 1.58 (1.01) | 0.28 |
Cups of coffee per day, mean (SD) | 75 | 0.25 (0.62) | 59 | 0.08 (0.28) | 0.05 |
Bottles of soda per day, mean (SD) | 73 | 1.59 (1.07) | 58 | 1.07 (0.53) | 0.001 |