Figure 1From: Secular trends: a ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic Cohort differences by gender: daily steps achieved during the whole week, weekdays and at weekends Note: --- recommendation (girls) 9,000 steps per day; -recommendation (boys) 11,000 steps per day; Error bars: 95% CI; older cohort (1998-2000); younger cohort (2008-2010); younger adolescent (14 to <16 years), older adolescent (16 to <18 years)Back to article page