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Table 3 Prevalence rates and proportions or mean values of each psychosocial and lifestyle variables for the four clusters among boys

From: Accumulation of lifestyle and psychosocial problems and persistence of adverse lifestyle over two-year follow-up among Finnish adolescents

  All Externalizing behavior Sedentary Obese Reference
Prevalence 100% 14.3% 26.8% 7.8% 51.0%
Internalizing problemsa 0.11 0.31 0.15 0.12 0.04
Externalizing problemsa 0.16 1.00 0.00 0.20 0.00
Physical activitya, h/week      
<2 0.31 0.34 0.50 0.43 0.18
2–3 0.30 0.19 0.30 0.29 0.21
>3 0.39 0.48 0.20 0.28 0.60
Sitting timea, h/day      
< 4.1 h 0.22 0.17 0.07 0.14 0.33
4.1–7.9 h 0.43 0.43 0.25 0.37 0.54
> 7.9 h 0.35 0.41 0.68 0.48 0.13
Sleeping timea, h/day      
<8 h 0.17 0.27 0.39 0.25 0.01
8–9 h 0.67 0.54 0.47 0.60 0.82
>9 h 0.17 0.19 0.15 0.15 0.17
BMIa,b, kg/m2      
mean value (CI) 21.1 (21.0–21.2) 20.6 (20.4–20.9) 20.1 (20.0–20.3) 29.7 (29.3–30.2) 20.5 (20.4–20.6)
Smokinga      
non-smoker 0.84 0.54 0.79 0.86 0.94
0.1–1.0 pack-years 0.08 0.23 0.09 0.07 0.04
>1.0 pack-years 0.08 0.23 0.12 0.07 0.02
  1. ap < 0.001.
  2. bContinuous variables used.
  3. CI = confidence interval.
  4. BMI = body mass index.