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Table 3 Associations between sleep duration, sedentary time and different PA intensities with body composition parameters

From: Physical activity, sedentary time and sleep duration: associations with body composition in 10–12-year-old Estonian schoolchildren

   Body fat% WHtR FFM
R2 β P R2 β P R2 β P
Sleep duration          
Model 1 0.001 −0.024 0.726 0.005 − 0.069 0.321 0.003 −0.055 0.441
Model 2 0.111 −0.050 0.000 0.016 −0.059 0.327 0.143 −0.028 0.000
Model 3 0.139 −0.052 0.000 0.042 −0.058 0.067 0.327 0.023 0.000
Sedentary time          
Model 1 0.003 0.059 0.393 0.005 −0.071 0.300 0.007 −0.084 0.225
Model 2 0.111 0.037 0.000 0.019 −0.063 0.258 0.146 −0.072 0.000
Model 3 0.137 0.022 0.000 0.038 −0.053 0.093 0.332 −0.110 0.000
Model 4 0.139 0.010 0.000 0.047 −0.078 0.077 0.341 −0.124 0.000
MVPA          
Model 1 0.062 −0.248 0.000 0.023 −0.153 0.026 0.000 −0.020 0.771
Model 2 0.144 −0.189 0.000 0.045 −0.178 0.021 0.142 −0.032 0.000
Model 3 0.168 −0.181 0.000 0.067 −0.183 0.006 0.320 −0.014 0.000
Model 4 0.174 −0.196 0.000 0.077 −0.194 0.006 0.327 −0.021 0.000
VPA          
Model 1 0.100 −0.316 0.000 0.044 −0.209 0.002 0.001 0.022 0.745
Model 2 0.174 −0.260 0.000 0.071 −0.242 0.002 0.141 0.000 0.000
Model 3 0.200 −0.259 0.000 0.090 −0.241 0.001 0.320 −0.002 0.000
Model 4 0.209 −0.276 0.000 0.101 −0.253 0.001 0.327 −0.007 0.000
  1. Model 1 – unadjusted; Model 2 – adjusted for age and gender; Model 3 – adjusted for age, gender and maturity; Model 4 – adjusted for age, gender, maturity and sleep duration