Table 3 Association for sedentary time, MVPA, breaks in sedentary time, non-prolonged and prolonged sedentary bouts with standardized fitness composite score (z-score), by sex

Sedentary time (min/day)

0.000 (−0.001; 0.002)

0.001 (−0.001; 0.002)

0.00 (0.000; 0.004)

0.001 (−0.002; 0.003)

−0.001 (−0.003; 0.000)

0.000 (−0.001; 0.002)

Prolonged SB (bouts/day)

0.080 (−0.064; 0.223)

0.080 (−0.063; 0.223)

0.167 (−0.065; 0.398)

0.132 (−0.096; 0.360)

0.001 (−0.177; 0.178)

0.081 (−0.094; 0.256)

Non-prolonged SB (bouts/day)

0.010 (0.004; 0.017)

0.011 (0.002; 0.020) ^d

0.011 (0.000; 0.022)

0.003 (−0.013; 0.018)

0.010 (0.002; 0.018)

0.014 (0.003; 0.024) ^d

Breaks in SB (breaks/day)

0.009 (0.001; 0.017)

0.024 (0.013; 0.034) ^d

0.008 (−0.005; 0.021)

0.026 (0.009; 0.042) ^d

0.010 (0.001; 0.020)

0.001 (−0.017; 0.019)

MVPA (min/day)

0.008 (0.003; 0.013)

0.010 (0.005; 0.016) ^d

0.008 (0.001; 0.015)

0.013 (0.005; 0.021) ^d

0.011 (0.003; 0.019)

0.014 (0.006; 0.022) ^d