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Table 2

From: Tracking of leisure-time physical activity during adolescence and young adulthood: a 10-year longitudinal study

a. Multivariate model of change in global leisure-time physical and recreational activity from age 13 to 23 with linear (and quadratic) fixed effects
  Males   Females      
  B SE B SE     
Physical activity . . . .     
   Intercept 2.628 0.082 2.101 0.072     
   Age-18.3 -0.1704 0.0127 -0.0945 0.0118     
   (Age-18.3)2 0.006 0.003 0.013 0.003     
Recreational activity         
   Intercept 2.436 0.058 2.472 0.057     
   Age-18.3 -0.118 0.009 -0.090 0.0089     
   (Age-18.3)2 0.010 0.003 0.014 0.002     
b. Random variance components from multivariate model of change in global leisure-time physical and recreational activity from age 13 to 23 (correlations in plain style, covariances in bold).
  Males     Females    
. 1. 2. 3. 4. 1. 2. 3. 4.
Between persons         
   1. Intercept recreational activity 0.89 . . . 0.72 . . .
   2. Intercept physical activity 0.57 1.86 . . 0.49 1.05 . .
   3. Slope recreational activity 0.01 0.42 0.01 . 0.03 0.24 0.01 .-
   4. Slope physical activity 0.19 0.06 0.78 0.02 0.04 -0.16 0.30 0.02
Within persons         
   1. Intercept recreational activity 1.32 - - - 1.21 - - -
   2. Intercept physical activity 0.17 2.49 - - 0.14 2.06 - -