Table 3 Correlation coefficients between accelerometer-derived physical activity metrics
SB & LPA | MVPA & SB | MVPA & LPA | MVPA & TAC | MPA & VPA | |
|---|---|---|---|---|---|
r (99% CI) | |||||
All | −.58 (−.59, −.57) | −.43 (−.44, −.42) | .32 (.30, .33) | .91 (.91, .91) | .58 (.58, .59) |
Age | |||||
5–9 years | −.48 (−.50, −.46) | .42 (−.44, −.39) | .28 (.25, .30) | .92 (.92, .92) | .65 (.63, .67) |
10–12 years | −.39 (−.40, −.37) | −.42 (−.43, −.40) | .26 (.24, .28) | .92 (.92, .93) | .65 (.63, .66) |
13–15 years | −.45 (−.47, −.43) | −.38 (−.40, −.35) | .25 (.23, .28) | .92 (.92, .92) | .52 (.51, .54) |
16–18 years | −.45 (−.49, −.41) | −.22 (−.26, −.18) | .18 (.14, .23) | .91 (.90, .91) | .58 (.54, .61) |
Sex | |||||
Boy | −.57 (−.58, −.55) | −.41 (−.43, −.39) | .30 (.28, .32) | .91 (.91, .92) | .51 (.50, .53) |
Girl | −.61 (−.62, −.60) | −.40 (−.42, −.30) | .34 (.32, .35) | .89 (.89, .89) | .59 (.58, .60) |
Mother’s education level | |||||
<=Compulsory education | −.52 (−.54, −.50) | −.46 (−.48, −.44) | .32 (.30, .34) | .92 (.92, .93) | .66 (.64, .67) |
Some post-compulsory education or vocational | −.53 (−.55, −.51) | −.43 (−.45, −.40) | .35 (.32, 37) | .92 (.92, .92) | .63 (.61, .64) |
> = Completed undergraduate | −.61 (−.63, −.59) | −.49 (−.51, −.47) | .36 (.33, .39) | .93 (.92, .93) | .64 (.62, .66) |
Obesity status | |||||
Non-obese | −.58 (−.59, −.58) | −.43 (−.44, −.42) | .32 (.30, .33) | .91 (.91, .92) | .58 (.57, .59) |
Obese | −.55 (−.58, −.52) | −.42 (−.45, −.38) | .30 (.26, .35) | .89 (.88, .90) | .59 (.55, .62) |
Type of day | |||||
Weekday | −.56 (−.57, −.55) | −.40 (−.41, −.38) | .30 (.29, .31) | .91 (.91, .91) | .56 (.55, .57) |
Weekend | −.45 (−.46, −.44) | −.39 (−.40, −.38) | .32 (.31, .33) | .91 (.90, .91) | .58 (.57, .59) |
Wear time | |||||
8- < 13 h/day | −.77 (−.78, −.76) | −.52 (−.53, −.50) | .32 (.30, .33) | .91 (.91, .92) | .61 (.60, .62) |
13–18 h/day | −.78 (−.79, −.78) | −.49 (−.51, −.48) | .31 (.29, .33) | .91 (.91, .91) | .56 (.55, .57) |
Wear time (continuous variable)-adjusted | −.96 (−.96, −.95) | −56 (−.57, −.55) | .31 (.30, .31) | .91 (91, .91) | .58 (.57, .59) |