From: Are associations between electronic media use and BMI different across levels of physical activity?
 | Girls | Boys | ||||||
---|---|---|---|---|---|---|---|---|
 | Prevalence In sample | Overweight/obese prevalence within categories | Mean BMI z-score | 95% CI | Prevalence In sample | Overweight/obese prevalence within categories | Mean BMI z-score | 95% CI |
Physical activity | ||||||||
MVPA < 7 days | 89% | 11% | −0.08 | (−0.09 to −0.07) | 79% | 19% | 0.11 | (0.10 to 0.12) |
MVPA 7 days | 11% | 9% | −0.19 | (−0.21 to −0.16) | 21% | 14% | 0.01 | (−0.01 to 0.03) |
Exceeding 2Â hours using EM | ||||||||
No EM | 23% | 9% | −0.18 | (−0.20 to −0.16) | 19% | 15% | 0.01 | (−0.01 to 0.03) |
1 EM | 34% | 11% | −0.08 | (−0.10 to −0.07) | 28% | 18% | 0.10 | (0.08 to 0.12) |
2 EM | 29% | 11% | −0.07 | (−0.08 to −0.05) | 29% | 19% | 0.10 | (0.08 to 0.12) |
3 EM | 14% | 13% | −0.06 | (−0.08 to −0.03) | 24% | 20% | 0.12 | (0.10 to 0.14) |
Meeting PA guidelines and | ||||||||
No EM | 3% | 6% | −0.32 | (−0.37 to −0.27) | 5% | 13% | −0.03 | (−0.08 to 0.01) |
1 EM | 4% | 9% | −0.15 | (−0.19 to −0.10) | 6% | 15% | 0.04 | (0.00 to 0.08) |
2 EM | 3% | 10% | −0.13 | (−0.18 to −0.08) | 5% | 14% | 0.01 | (−0.03 to 0.05) |
3 EM | 1% | 10% | −0.14 | (−0.22 to −0.06) | 5% | 15% | 0.01 | (−0.03 to 0.06) |
Not meeting PA guidelines and | ||||||||
No EM | 20% | 9% | −0.16 | (−0.18 to −0.14) | 14% | 16% | 0.03 | (0.00 to 0.05) |
1 EM | 31% | 11% | −0.07 | (−0.09 to −0.06) | 23% | 19% | 0.11 | (0.09 to 0.13) |
2 EM | 26% | 11% | −0.06 | (−0.07 to −0.04) | 23% | 20% | 0.13 | (0.10 to 0.15) |
3 EM | 12% | 13% | −0.05 | (−0.07 to −0.02) | 19% | 21% | 0.15 | (0.12 to 0.17) |
Total |  | 11% | −0.10 | (−0.11 to −0.09) |  | 18% | 0.09 | (0.07 to 0.10) |