Table 1.
Descriptive characteristics of the sample of children from the SPEEDY study used in these analyses
| Total (n = 1700) | Girls (n = 953) | Boys (n = 747) | P-value | |
|---|---|---|---|---|
|
Age (years) |
10.3 ± 0.3 |
10.3 ± 0.3 |
10.2 ± 0.3 |
0.282 |
|
Height (cm) |
140.6 ± 6.7 |
140.7 ± 6.7 |
140.5 ± 6.6 |
0.587 |
|
Weight (kg) |
36.6 ± 8.4 |
37.2 ± 8.8 |
35.8 ± 7.6 |
<0.001 |
|
BMI (kg/m2) |
18.2 ± 3.1 |
18.5 ± 3.4 |
17.9 ± 2.8 |
<0.001 |
|
MVPA (mins/day) |
73.8 ± 24.6 |
66.0 ± 20.8 |
83.8 ± 25.5 |
<0.001 |
|
Sedentary time (mins/day) |
456.9 ± 53.9 |
461.7 ± 51.7 |
450.8 ± 56.2 |
<0.001 |
|
Weight status |
|
|
|
|
| Non-overweight |
1308 (77) |
707 (74) |
601 (80) |
Ref |
| Overweight/obese |
392 (23) |
246 (26) |
146 (20) |
0.001 |
|
Activity status |
|
|
|
|
| Not meeting government PA guidelines |
526 (31) |
387 (41) |
139 (19) |
Ref |
| Meeting government PA guidelines |
1174 (69) |
566 (59) |
608 (81) |
<0.001 |
|
Parent/guardian education level |
|
|
|
|
| GCSE or lower |
649 (38) |
383 (40) |
266 (36) |
Ref |
| A-level or lower vocational |
707 (42) |
388 (41) |
319 (43) |
0.116 |
| University or higher vocational |
344 (20) |
182 (19) |
162 (22) |
0.075 |
|
Location† |
|
|
|
|
| Rural |
557 (33) |
293 (31) |
264 (36) |
Ref |
| Suburban |
489 (29) |
292 (31) |
197 (27) |
0.029 |
| Urban | 623 (37) | 351 (38) | 272 (37) | 0.274 |
Data are presented as mean ± standard deviation and n (%) for categorical variables.
Ref is the reference category.
Differences between Girls and Boys (p-value presented in Table 1) were determined using multilevel linear or logistic regression depending on whether the dependent variable was continuous or categorical.
†31 participants included in the main analysis had missing data for location, the descriptive characteristics presented in Table 1 for location are based on the 1669 participants (936 girls, 733 boys) with data available.
SPEEDY Sports, Physical activity and Eating behaviour: Environmental Determinants in Young people, BMI body mass index, MVPA moderate-to-vigorous physical activity, PA physical activity, GCSE General certificate of secondary education.