Table 1 Characteristics of the Northern Finland Birth Cohort 1986 study population (16-year follow-up data collected in 2001–2002)
Girls n = 3598 | Boys n = 3347 | p(χ2-test) | |||
|---|---|---|---|---|---|
% | Mean (95% CI) | % | Mean (95% CI) | ||
Weight (kg) | 56.9 (56.6, 57.3) | 64.6 (64.2, 65.1) | |||
Height (cm) | 163.9 (163.7, 164.1) | 174.6 (174.4, 174.9) | |||
Body mass index (kg/m 2 ) | 21.2 (21.1, 21.3) | 21.1 (21.0, 21.3) | |||
Waist circumference (cm) | 71.9 (71.6, 72.2) | 75.8 (75.4, 76.1) | |||
Overweight | 10.9 | 12.7 | |||
Obesity | 2.9 | 4.3 | <0.001 | ||
Abdominal obesity | 13.2 | 10.4 | 0.001 | ||
Eating in a stressful situation to make oneself feel better | |||||
Never | 56.8 | 84.8 | |||
To some extent | 39.2 | 14.3 | |||
Fairly often | 3.2 | 0.8 | |||
Very often | 0.8 | 0.2 | <0.001 | ||
Physical activity hours per week | |||||
<2 | 40.7 | 31.3 | |||
2–3 | 29.9 | 23.3 | |||
>3 | 29.5 | 45.3 | <0.001 | ||
Use of tobacco | |||||
Never | 33.2 | 36.9 | |||
Experimental or occasional | 39.9 | 38.9 | |||
Regular | 26.9 | 24.3 | 0.002 | ||
Sleeping hours per night | |||||
<8 | 24.4 | 16.7 | |||
8–9 | 65.2 | 66.3 | |||
>9 | 10.4 | 16.9 | <0.001 | ||
Devouring large amounts of food | |||||
Never | 46.3 | 42.4 | |||
Hardly ever | 23.1 | 20.9 | |||
Occasionally | 21.6 | 26.3 | |||
Once a month | 3.5 | 3.5 | |||
Once a week | 3.3 | 3.4 | |||
2–3 times a week | 1.7 | 2.0 | |||
Daily | 0.6 | 1.5 | <0.001 | ||
Strict diet to control weight | |||||
Never | 70.0 | 90.1 | |||
Occasionally | 27.7 | 9.4 | |||
Often | 2.3 | 0.5 | <0.001 | ||
Heavy exercise to control weight | |||||
Never | 57.4 | 69.8 | |||
Occasionally | 37.5 | 22.5 | |||
Often | 5.1 | 7.6 | <0.001 | ||
Meals with parents or other family members | |||||
Daily or almost daily | 63.5 | 75.0 | |||
A few times a week | 17.3 | 14.0 | |||
1–2 times a week | 7.6 | 5.2 | |||
Occasionally | 8.8 | 4.6 | |||
Hardly ever | 2.7 | 1.2 | <0.001 | ||
Maternal basic education | |||||
Comprehensive school | 67.0 | 68.2 | |||
Upper secondary school | 33.0 | 31.8 | 0.309 | ||
Parents interested in their child’s schooling and hobbies | |||||
Never | 0.8 | 0.5 | |||
Seldom | 13.8 | 14.0 | |||
Almost always | 85.4 | 85.5 | 0.372 | ||