Table 2.
Descriptive statistics for NC on the Move analytic sample study participants (n = 94)
| Count (%), or median, IQR, unless otherwise stated | ||||
|---|---|---|---|---|
| Girls | Boys | All | ||
| Number of children | 46 (48.9) | 48 (51.1) | 94 (100.0) | |
| Number of trips | 392 (50.6) | 383 (49.4) | 775 (100.0) | |
| Age in years (mean, SD) | 7.96, 1.62 | 8.13, 2.10 | 8.04, 1.85 | |
| Child BMI z-score a | 0.80, −0.05–1.78 | 0.95, 0.14–1.67 | 0.88, −0.04–1.72 | |
| Child race | White | 38 (82.6) | 41 (85.4) | 79 (84.0) |
| Household income | Up to $15,000 | 2 (4.3) | 5 (10.4) | 7 (7.4) |
| $15,001 to $30,000 | 5 (10.9) | 10 (20.8) | 15 (16.0) | |
| $30,001 to $60,000 | 10 (21.7) | 4 (8.3) | 14 (14.9) | |
| $60,001, to $90,000 | 10 (21.7) | 16 (33.3) | 26 (27.7) | |
| More than $90,001 | 19 (41.3) | 12 (25.0) | 31 (33.0) | |
| Parent education level | 1st to 8th grade | 1 (2.2) | 0 (0.0) | 1 (1.1) |
| 9th to 12th grade | 2 (4.3) | 3 (6.3) | 5 (5.3) | |
| Vocational or some college | 8 (17.4) | 14 (29.2) | 22 (23.4) | |
| College graduate | 19 (41.3) | 13 (27.1) | 32 (34.0) | |
| Graduate or professional school | 16 (34.8) | 18 (37.5) | 34 (36.2) | |
| Child’s most frequent mode of travel to school per week | On foot | 1 (2.2) | 2 (4.2) | 3 (3.2) |
| Bus | 12 (26.1) | 14 (29.2) | 26 (27.7) | |
| Car | 25 (54.3) | 27 (56.3) | 52 (55.3) | |
| Multi-modalb | 8 (17.4) | 5 (10.4) | 13 (13.9) | |
aBMI z-scores calculated relative to age-specific US national height and weight distributions, from the Centers for Disease Control and Prevention (CDC).
bDefined as the equal use of two or more different travel modes for journeys to and from school per week. NB All multi-modal commute patterns contained at least one form of motorised transport in this sample.