Table 3 Validity coefficients and median duration for movement behaviours measured by the 24-hour time use diary (TUD) and the open- or closed-ended versions of the MBQ-B

Physical Activity

 Tummy Time

8

0.77 *

25 (13–35)

11.3 (0–52)

 Active Play

30

0.63 **

300 (210–420)

270 (188–371)

 Restrained Time

36

0.22

147 (90–210)

165 (112–221)

Screen Time

 Non-interactive

38

0.84 ***

7.5 (0–30)

0 (0–23)

 Interactive

38

0.53 **

0 (0–15)

0 (0–4)

 Total Screen

38

0.87 ***

15 (0–38)

7.5 (0–30)

Sleep

 Day Sleep

37

0.70 ***

155 (120–210)

165 (128–203)

 Night Sleep

37

0.34 *

660 (600–690)

675 (608–713)

 Total Sleep

37

0.55 **

810 (758–870)

836 (746–893)

MBQ-B Closed

Physical Activity

 Tummy Time

4

0.54

7.5 (5–15)

22.5 (0–45)

 Active Play

29

0.68 ***

105 (75–120)

210 (143–300)

 Restrained Time

33

0.48 *

105 (75–105)

150 (90–188)

Screen Time

 Non-interactive

33

0.76 ***

7.5 (0–22.5)

0 (0–15)

 Interactive

33

0.51 **

0 (0–7.5)

0 (0–0)

 Total Screen

33

0.77 ***

7.5 (0–22.5)

7.5 (0–15)

Sleep

 Day Sleep

33

0.37 *

150 (150–150)

158 (135–195)

 Night Sleep

33

0.47 **

660 (540–660)

675 (630–720)

 Total Sleep

33

0.37 *

810 (690–810)

840 (788–878)