Table 2 Crude and adjusted proportion (%) of children reporting a screen time activity of 2 hours/day or more according to sex, class, and parental education stratified by the year the study was performed*
From: Changes in screen time activity in Norwegian children from 2001 to 2008: two cross sectional studies
CRUDE | ADJUSTED* | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
2001 | 2008 | Change (percentage points) | p | 2001 | 2008 | Change (percentage points) | P for time x group interaction | |||||
% (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | |||||||||
(n=1461) | (n=1317) | (n=1209) | (n=979) | |||||||||
All | 55 | (53, 58) | 45 | (43, 48) | −10 | 0.000 | 55 | (52, 59) | 45 | (42, 49) | −10 | |
Sex | 0.661 | |||||||||||
Boys | 61 | (58, 65) | 51 | (47, 55) | −11 | 0.000 | 60 | (55, 64) | 51 | (46, 55) | −9 | |
Girls | 49 | (46, 53) | 41 | (37, 44) | −9 | 0.001 | 51 | (47, 55) | 40 | (35, 44) | −11 | |
Grade level | 0.022 | |||||||||||
6 | 51 | (48, 55) | 38 | (34, 41) | −13 | 0.000 | 51 | (47, 56) | 37 | (32, 41) | −15 | |
7 | 60 | (56, 63) | 54 | (50, 58) | −6 | 0.023 | 59 | (55, 64) | 54 | (49, 59) | −5 | |
Parental education level | 0.044 | |||||||||||
Low | 57 | (53, 60) | 51 | (47, 56) | −5 | 0.079 | 57 | (53, 61) | 51 | (46, 56) | −6 | |
High | 53 | (49, 58) | 39 | (34, 43) | −15 | 0.000 | 54 | (49, 58) | 39 | (35, 44) | −14 | |