Table 1

Demographic characteristics (sex, age, and social class) and TV exposure by country: The Pro Children study

Austria
(n = 1616)
 Belgium
(n = 1318)
 Denmark
(n = 1844)
 Iceland
(n = 1138)
 Netherlands
(n = 1094)
 Norway
(n = 1120)
 Portugal
(n = 2040)
 Spain
(n = 1272)
 Sweden
(n = 1331)
Participation rate (%)
 95.3
 84.5
 92.0
 88.7
 79.7
 89.5
 98.4
 94.7
 84.2
Sex: % girls
 53.0
 46.1
 49.1
 47.8
 53.8
 49.6
 53.1
 46.4
 50.0
Age in years: mean; 98%CI
 11.0
10.97–11.03
 11.5
11.43–11.49
 11.4
11.36–11.41
 11.3
11.24–11.30
 11.7
11.67–11.75
 11.3
11.27–11.34
 11.5
11.47–11.51
 11.4
11.39–11.45
 11.4
11.35–11.41
Social class: %
social class I-II
 22.7
 28.4
 26.6
 26.5
 23.5
 26.4
 17.9
 25.8
 24.9
Regular TV viewing (hours per day):
mean; 98%CI
 2.2
2.1–2.3
 2.7
2.6–2.8
 2.2
2.1–2.3
 2.0
1.9–2.1
 2.7
2.6–2.8
 2.2
2.0–2.3
 2.7
2.6–2.7
 2.2
2.1–2.3
 2.1
2.0–2.2
TV during dinner (days per week):
mean; 98%CI
 2.8
2.7–3.0
 2.9
2.7–3.0
 2.3
2.2–2.5
 4.7
4.5–4.9
 2.5
2.3–2.7
 1.9
1.7–2.1
 5.5
5.4–5.7
 4.8
4.6–5.0
 2.8
2.6–2.9

Klepp et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:46   doi:10.1186/1479-5868-4-46