Table 2. Associations between screen time (min/day) and cardiometabolic risk factors in obese adolescents (N = 125), adjusted for age, gender, pubertal stage, ethnicity and MVPA.
| Screen time (min/day) | Computer time (min/day) | TV time (min/day) | |
| B (95% CI) | B (95% CI) | B (95% CI) | |
| zMetRisk | 0.000 (−0.000; 0.001) | −0.001 (−0.001; 0.001) | 0.000 (−0.000; 0.00) |
| BMI, kg/m2 | 0.001 (−0.005; 0.006) | 0.002 (−0.007; 0.012) | 0.000 (−0.009; 0.008) |
| Trunk fat mass, % | −0.002 (−0.007; 0.004) | 0.001 (−0.008; 0.011) | −0.006 (−0.015; 0.004) |
| Total fat mass, % | 0.000 (−0.005; 0.005) | 0.002 (−0.007; 0.010) | −0.002 (−0.010; 0.006) |
| Systolic BP, mm Hg | −0.004 (−0.017; 0.010) | −0.001 (−0.023; 0.021) | −0.007 (−0.028; 0.013) |
| Diastolic BP, mm Hg | −0.004 (−0.013; 0.005) | −0.008 (−0.023; 0.007) | −0.003 (−0.017; 0.011) |
| Fasting glucose, mmol/l | 0.000 (−0.001; 0.001) | −0.000 (−0.001; 0.000) | 0.000 (0.000; 0.001) |
| Glucose 30, mmol/l | 0.000 (−0.002; 0.002) | 0.001 (−0.002; 0.004) | −0.001 (−0.003; 0.002) |
| Glucose 120, mmol/l | −0.001 (−0.002; 0.001) | −0.001 (−0.003; 0.001) | −0.001 (−0.003; 0.001) |
| Fasting insulin, pmol/l | −0.039 (−0.127; 0.049) | −0.086 (−0.232; 0.060) | −0.018 (−0.155; 0.119) |
| Insulin 30, pmol/l | −0.435 (−1.362; 0.491) | −1.014 (−2.549; 0.521) | −0.166 (−1.610; 1.277) |
| Insulin 120, pmol/l | −0.418 (−1.261; 0.425) | −0.706 (−1.603; 0.191) | −0.418 (−1.261; 0.425) |
| TG, mmol/l | −0.000 (−0.001; 0.001) | −0.000 (−0.002; 0.001) | 0.000 (−0.001; 0.001) |
| TC, mmol/l | −0.001 (−0.002; 0.000) | −0.002 (−0.003; −0.000)* | 0.000 (−0.002; 0.001) |
| HDL-C, mmol/l | −0.000 (−0.001; 0.000) | −0.000 (−0.001; 0.000) | 0.000 (−0.001; 0.000) |
| LDL-C, mmol/l | −0.001 (−0.001; 0.000) | −0.002 (−0.001; −0.000)* | 0.000 (−0.001; 0.001) |
*
= significantly associated with computer time (p<0.05 for TC; p<0.01 for LDL).
B, unstandardised regression coefficient; BMI, body mass index; BP, blood pressure; CI; confidence interval; HDL-C, high density lipoprotein cholesterol; LDL-C low density lipoprotein cholesterol; MVPA, moderate-to-vigorous physical activity; TG, triglycerides; TC, total cholesterol; TV, television; zMetRisk, z-score for clustered cardiometabolic risk.