Table 4.
ICC for HBSC survey questionnaire items about physical activity, sedentary behaviour and sleep by gender and age (n = 95)
| All (n = 95) | Girls (n = 44) | Boys (n = 51) | 11 years (n = 44) | 15 years (n = 51) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Items | ICC | 95% CI | ICC | 95% CI | ICC | 95% CI | ICC | 95% CI | ICC | 95% CI |
| Physical Activity | ||||||||||
| MVPA in the last 7 days | 0.82 | 0.74-0.88 | 0.87 | 0.77-0.93 | 0.79 | 0.66-0.88 | 0.81 | 0.67-0.89 | 0.79 | 0.66-0.88 |
| MVPA in the usual week | 0.74 | 0.64-0.82 | 0.76 | 0.60-0.86 | 0.73 | 0.57-0.83 | 0.77 | 0.61-0.87 | 0.71 | 0.54-0.82 |
| VPA frequency | 0.68 | 0.55-0.77 | 0.73 | 0.56-0.85 | 0.61 | 0.41-0.76 | 0.72 | 0.54-0.84 | 0.62 | 0.42-0.76 |
| VPA time per week | 0.57 | 0.42-0.66 | 0.66 | 0.45-0.80 | 0.50 | 0.27-0.68 | 0.58 | 0.35-0.75 | 0.56 | 0.34-0.72 |
| Sedentary Behaviour | ||||||||||
| Watching TV on school days | 0.72 | 0.61-0.81 | 0.91* | 0.83-0.95 | 0.51 | 0.28-0.69 | 0.86† | 0.76-0.92 | 0.57 | 0.36-0.73 |
| Watching TV at weekends | 0.74 | 0.63-0.83 | 0.77 | 0.62-0.87 | 0.70 | 0.53-0.82 | 0.80 | 0.66-0.89 | 0.68 | 0.49-0.80 |
| Playing PC or console games on school days | 0.54 | 0.38-0.67 | 0.56 | 0.32-0.73 | 0.53 | 0.30-0.70 | 0.56 | 0.32-0.73 | 0.52 | 0.29-0.70 |
| Playing PC or console games at weekends | 0.69 | 0.57-0.78 | 0.47* | 0.20-0.67 | 0.83 | 0.72-0.90 | 0.79 | 0.64-0.88 | 0.57 | 0.35-0.73 |
| Using PC on school days | 0.33 | 0.14-0.50 | 0.19 | -0.11-0.46 | 0.45 | 0.20-0.64 | 0.38 | 0.10-0.60 | 0.28 | 0.01-0.51 |
| Using PC at weekends | 0.50 | 0.33-0.64 | 0.37 | 0.09-0.60 | 0.58 | 0.36-0.73 | 0.83† | 0.71-0.90 | 0.16 | -0.12-0.41 |
| Doing homework on school days | 0.78 | 0.68-0.85 | 0.81 | 0.68-0.89 | 0.74 | 0.59-0.85 | 0.75 | 0.59-0.86 | 0.73 | 0.57-0.84 |
| Doing homework at weekends | 0.73 | 0.62-0.82 | 0.69 | 0.49-0.82 | 0.76 | 0.62-0.86 | 0.54 | 0.29-0.72 | 0.79 | 0.65-0.87 |
| Sleep | ||||||||||
| When go to bed on school days | 0.75 | 0.65-0.83 | 0.76 | 0.60-0.86 | 0.73 | 0.57-0.84 | 0.68 | 0.48-0.81 | 0.60 | 0.39-0.75 |
| When go to bed at weekends | 0.64 | 0.50-0.67 | 0.64 | 0.43-0.79 | 0.62 | 0.41-0.76 | 0.51 | 0.26-0.70 | 0.58 | 0.36-0.74 |
| When wake up on school mornings | 0.77 | 0.68-0.84 | 0.79 | 0.65-0.88 | 0.76 | 0.62-0.86 | 0.81 | 0.68-0.89 | 0.73 | 0.57-0.84 |
| When wake up at weekends | 0.83 | 0.75-0.88 | 0.82 | 0.69-0.90 | 0.84 | 0.73-0.90 | 0.85 | 0.74-0.92 | 0.78 | 0.65-0.87 |
ICC = Single measure intraclass correlation coefficient
HBSC = Health Behaviour in School-aged Children
* Significant difference between genders (p < 0.05)
† Significant difference between age groups (p < 0.05)