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Table 3 Estimated marginal means for boys’ device-measured movement behaviours by dog ownership group

From: Longitudinal effects of dog ownership, dog acquisition, and dog loss on children’s movement behaviours: findings from the PLAYCE cohort study

Boys

Wave 1

Wave 2

Within-group change

Between-group difference in change

 

Mean (95%CI)

Mean (95%CI)

  

Sedentary time (mins/day)

p = 0.117

 Non-dog owner

366.7 (352.8, 380.5)

373.8 (358.9, 388.8)

7.1 (-14.3, 28.6)

Ref

 Dog owner

369.8 (352.9, 386.7)

346.1 (329.1, 363.1)

-23.7 (-47.7, 0.2)

-30.9 (-58.4, -3.4)

 Dog acquired

365.5 (335.4, 395.7)

346.4 (315.6, 377.3)

-19.1 (-61.4, 23.1)

-26.3 (-70.2, 17.7)

 Dog loss

365.5 (322.1, 408.9)

335.5 (294.4, 376.6)

-30.0 (-87.1, 27.1)

-37.2 (-95.7, 21.4)

Light intensity activities and games (mins/day)

p = 0.184

 Non-dog owner

363.9 (350.9, 376.9)

336.5 (322.4, 350.5)

-27.4 (-47.5, -7.4)

Ref

 Dog owner

358.1 (342.3, 374.0)

354.6 (338.6, 370.5)

-3.5 (-25.9, 18.9)

23.9 (-1.8, 49.6)

 Dog acquired

359.5 (331.2, 387.8)

363.5 (334.5, 392.4)

4.0 (-35.6, 43.5)

31.4 (-9.7, 72.4)

 Dog loss

352.9 (312.1, 393.6)

353.6 (315.1, 392.2)

0.8 (-52.6, 54.1)

28.2 (-26.6, 82.9)

Walking (mins/day)

p = 0.165

 Non-dog owner

18.9 (16.9, 20.9)

25.0 (22.8, 27.2)

6.1 (3.1, 9.2)

Ref

 Dog owner

20.0 (17.6, 22.5)

28.3 (25.8, 30.8)

8.3 (4.8, 11.7)

2.1 (-1.8, 6.0)

 Dog acquired

20.6 (16.2, 24.9)

26.6 (22.1, 31.1)

6.1 (0.0, 12.1)

-0.1 (-6.3, 6.2)

 Dog loss

22.2 (15.8, 28.5)

37.3 (31.3, 43.3)

15.1 (7.0, 23.2)

9.0 (0.6, 17.3)

Running (mins/day)

p = 0.206

 Non-dog owner

4.5 (3.8, 5.1)

8.8 (8.1, 9.5)

4.3 (3.4, 5.3)

Ref

 Dog owner

5.1 (4.3, 6.0)

8.8 (8.0, 9.6)

3.7 (2.6, 4.7)

-0.7 (-1.9, 0.6)

 Dog acquired

4.7 (3.2, 6.1)

7.6 (6.1, 9.0)

2.9 (1.0, 4.8)

-1.4 (-3.4, 0.5)

 Dog loss

5.1 (3.0, 7.2)

10.8 (8.9, 12.8)

5.7 (3.2, 8.3)

1.4 (-1.2, 4.0)

Moderate-vigorous activities and games (mins/day)

p = 0.136

 Non-dog owner

15.8 (13.0, 18.6)

25.7 (22.7, 28.7)

9.9 (5.4, 14.4)

Ref

 Dog owner

16.4 (13.0, 19.8)

32.0 (28.6, 35.5)

15.7 (10.6, 20.7)

5.7 (-0.1, 11.6)

 Dog acquired

19.1 (13.0, 25.2)

25.4 (19.2, 31.7)

6.3 (-2.5, 15.2)

-3.6 (-12.8, 5.7)

 Dog loss

23.8 (15.0, 32.5)

32.5 (24.2, 40.8)

8.7 (-3.4, 20.8)

-1.2 (-13.7, 11.2)

Energetic play (mins/day)

p = 0.049

 Non-dog owner

39.1 (35.8, 42.3)

59.4 (55.9, 62.9)

20.3 (15.3, 25.4)

Ref

 Dog owner

41.8 (37.8, 45.7)

69.1 (65.1, 73.1)

27.3 (21.7, 32.9)

7.0 (0.5, 13.4)

 Dog acquired

44.5 (37.4, 51.5)

59.8 (52.6, 67.0)

15.3 (5.4, 25.2)

-5.0 (-15.3, 5.3)

 Dog loss

51.3 (41.1, 61.5)

80.6 (71.0, 90.3)

29.3 (16.0, 42.7)

9.0 (-4.7, 22.7)

Total physical activity (mins/day)

p = 0.117

 Non-dog owner

403.0 (389.2, 416.9)

395.9 (380.9, 410.9)

-7.1 (-28.6, 14.3)

Ref

 Dog owner

399.9 (383.0, 416.8)

423.7 (406.7, 440.7)

23.7 (-0.2, 47.7)

30.9 (3.4, 58.4)

 Dog acquired

404.2 (374.1, 434.3)

423.3 (392.5, 454.2)

19.1 (-23.1, 61.4)

26.3 (-17.7, 70.2)

 Dog loss

404.2 (360.8, 447.6)

434.2 (393.1, 475.4)

30.0 (-27.1, 87.1)

37.2 (-21.4, 95.7)

  1. Marginal means estimated from fully adjusted LMM (n = 537) which included group*time*sex interaction and lower order terms, child age, mother’s education, mother’s work status, having a yard big enough for running, dwelling type, length of follow-up, accelerometer data collection season, accelerometer data collected during COVID-19, and accelerometer wear time. Group*time interaction derived separately for boys and girls from the fully interacted model. Energetic play is the sum of walking, running, and moderate-to-vigorous activities and games. Total physical activity is the sum of light activities and games and energetic play