Table 1 Description of participants included in 2001 and 2008
From: Changes in screen time activity in Norwegian children from 2001 to 2008: two cross sectional studies
2001 | 2008 | p-value* | |
|---|---|---|---|
Number of schools | 27 | 27 | |
Eligible pupils | 1727 | 1712 | |
Participating pupils | 1488 | 1339 | |
Participation rate pupils (%) | 86% | 78% | |
Sex pupils (% girls) | 50% | 52% | 0.21 |
Age pupils (% 7th graders) | 47% | 49% | 0.50 |
TV/PC watching (% ≥2 hours/day) | 55% | 45% | <0.001 |
Mean time spent on TV/PC watching (hours/day) (mean (SD)) | 2.1 (1.5) | 1.7 (1.4) | <0.001 |
Time spent on screen time, pupils (%): | |||
Spend no time on screen time activity | 19 (1) | 19 (1) | |
Less than ½ hour/day | 150 (10) | 155 (12) | |
½-1 hour/day | 484 (33) | 544 (41) | |
2-3 hours/day | 515 (35) | 429 (33) | |
4 hours/day | 133 (9) | 80 (6) | |
More than 4 hours/day | 160 (11) | 90 (7) | <0.001 |
Participating parents | 1230 | 996 | |
Participation rate parents (%) | 83% | 74% | |
Sex parents (% women) | 85% | 78% | <0.001 |
Age parents (mean, years) | 39.9 | 41.1 | <0.001 |
Education, parents (% with higher education) | 42% | 54% | <0.001 |