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) | - | - |
aScored on a scale of 0–3 where a higher score reflects greater agreement with the belief.
bNot assessed at T2.
cp-values <0.05 are bold.