Table 2 Differences in predictor variables between T1 (child aged 4-months) and T2 (child aged 9-months)
Variable | T1 | T2 | p-valuec |
|---|---|---|---|
Mean (SD) | Mean (SD) | ||
Maternal beliefs a | |||
Physical activity knowledgeb | 2.52 (0.33) | - | - |
Physical activity viewsb | 0.87 (0.45) | - | - |
Physical activity optimism | 2.33 (0.44) | 2.49 (0.46) | 0.00 |
Physical activity self-efficacy | 2.53 (0.50) | 2.57 (0.49) | 0.23 |
Future expectations | 1.74 (0.50) | 1.81 (0.58) | 0.02 |
Floor concernsb | 0.93 (0.55) | - | - |
TV knowledgeb | 1.61 (0.53) | - | - |
TV use | 0.74 (0.45) | 0.65 (0.64) | 0.02 |
TV self-efficacy | 2.02 (0.63) | 2.16 (0.63) | 0.00 |
Maternal behaviours | |||
Maternal physical activity (mins/week) | 485.19 (380.24) | 501.28 (386.75) | 0.67 |
Maternal screen time (mins/week) | 221.79 (140.31) | 162.36 (124.31) | 0.00 |
Infant behaviours | |||
Time spent playing games with adult (mins/week) | 58.71 (59.80) | 67.75 (59.34) | 0.08 |
Time spent being physically active with mum (mins/week) | 62.12 (59.39) | 73.83 (64.51) | 0.03 |
Time spent having tummy time (mins/week) | 25.99 (34.20) | 81.50 (97.31) | 0.00 |
Time spent on the floor (mins/week) | 97.27 (82.14) | 206.59 (117.20) | 0.00 |
Time spent with other babies of a similar age (mins/week) | 27.18 (50.34) | 52.26 (143.25) | 0.01 |
Time spent with older toddlers or children (mins/week) | 20.00 (45.65) | 33.63 (53.48) | 0.01 |
Time spent outside (mins/week) | 46.93 (46.64) | 61.10 (48.35) | 0.00 |
Home environment | |||
Physical activity equipment in home (# items) | 6.31 (2.27) | 5.67 (1.22) | 0.00 |
TVs in home (# TVs)b | 1.87 (0.93) | - | - |