| Sample characteristics | NW (n=308) | OW+OB (n=308) | P value |
|---|---|---|---|
| Average age (years) | 14.4 ± 1.73 | 14.2 ±1.83 | N.S. |
| Body Mass Index (BMI) kg/m2 | 19.9 ± 2.3 | 27.1 ± 4.2 | < 0.01 |
| Presence of at least one member of the family who was overweight | 16.9%* (52) |
58.0%* (178) |
< 0.01 |
| Weekly hours of sports: 4 hours | 6.5%* (20) |
36.4%* (112) |
< 0.01 |
| Weekly hours of sports:> 4 hours | 93.5%* (288) |
63.6%* (196) |
< 0.01 |
| Spare time: sedentary activities | 29.9% * (92) |
66.2%* (204) |
< 0.01 |
| Spare time: dynamic activities | 70.1%* (216) |
33.8%* (104) |
< 0.01 |
|
NW=Normal weight subjects OW+OB=Overweight and obese subjects *Percentage of subjects; in brackets number of subjects Table 1: Overall sample characteristics |
|||
| Questionnaire sections | NW Subjects (n 308) | OW+OB subjects (n 308) | ||||
|---|---|---|---|---|---|---|
| 1st tertile | 2nd tertile | 3rd tertile | 1st tertile | 2nd tertile | 3rd tertile | |
| B. Eating habits | 19.5 | 52.3 | 28.2 | 20.3 | 53.8 | 25.9 |
| C. Physical activity and lifestyle | 5.1 | 43.6 | 50.3 | 60.7 | 34.1 | 5.2 |
| NW=Normal Weight OW+OB= Overweight + Obese Table 2: Percentage distribution of subjects according to Tertile Scores (%) |
||||||
| Questions | Answers | n (OW+OB) | n (NW) | %(OW+OB) | %(NW) |
|---|---|---|---|---|---|
| 1. Do you smoke? | • yes • no |
48 260 |
43 265 |
15.5 84.5 |
13.9 86.1 |
| 2. If yes, when did you start? | •11-13 years old •14-16 years old •17-18 years old |
13 19 16 |
12 17 14 |
28.1 38.1 33.8 |
28.1 39.4 32.5 |
| 3.How many cigarettes do you smoke? | • Less than 5 cigarettes a day • 5-10 cigarettes a day • More than 10 cigarettes a day |
17 16 15 |
15 15 13 |
36.4 33.1 30.5 |
35.7 34.3 30.0 |
| Table 3: Section D results: Smoking Habits | |||||