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Table 1 Participant characteristics. The Tromsø Study: Fit Futures

From: Prevalence of accelerometer-measured physical activity in adolescents in Fit Futures – part of the Tromsø Study

  N
(girls/boys)
All Girls Boys
Age, mean (SD) 611 (341/270) 16.3 (1.0) 16.4 (1.1) 16.2 (0.8)
Height, cm (SD) 609 (339/270) 170.3 (8.9) 165.0 (6.6) 176.9 (6.7)
Weight, kg (SD) 609 (339/270) 65.4 (13.8) 61.3 (11.7) 70.6 (14.4)
Body-mass index, kg/m2 (SD) 609 (339/270) 22.5 (4.1) 22.5 (4.0) 22.5 (4.2)
 < 18.0 609 (339/270) 9.7% 7.7% 12.2%
 18.0–24.9 609 (339/270) 69.4% 72.4% 65.6%
 25–29.9 609 (339/270) 14.6% 13.2% 16.3%
 ≥30 609 (339/270) 6.1% 6.2% 5.9%
No chronic diseases 608 (339/269) 69.6% 66.9% 73.0%
Smoking 602 (335/267)    
 Daily   3.8% 3.6% 4.1%
 Sometimes   13.1% 14.0% 12.4%
 Never   81.7% 82.4% 83.5%