Table 1.
Descriptive statistics of covariate measures among youth in the COMPASS study (Y3 data 2014/2015).
|
BMI classificationa |
|||
|---|---|---|---|
| Normal weight | Overweight/Obese | ||
| % (n)b | % (n) | Chi-square | |
| Girls | (n=6,566) | (n=1,690) | |
| Grade | |||
| 9 | 5 (0.1) | 1 (0.1) | p=.9869 |
| 10 | 2295 (35.0) | 597 (35.3) | |
| 11 | 2322 (35.4) | 593 (35.1) | |
| 12 | 1944 (29.6) | 499 (29.5) | |
| Weekly spending money | |||
| $0 | 791 (12.0) | 254 (15.0) | p=.0012 |
| $1-20 | 1663 (25.3) | 446 (26.4) | |
| $21-100 | 2081 (31.7) | 467 (27.6) | |
| $100+ | 1284 (19.6) | 342 (20.2) | |
| I don’t know/not stated | 747 (11.4) | 181 (10.7) | |
| Race/ethnicity | |||
| White | 5263 (80.2) | 1306 (77.3) | p<.0001 |
| Black | 138 (2.1) | 55 (3.3) | |
| Off-reserve Aboriginal | 363 (5.5) | 60 (3.6) | |
| Asian | 122 (1.9) | 53 (3.1) | |
| Hispanic | 102 (1.6) | 27 (1.6) | |
| Mixed/other/missing | 578 (8.8) | 189 (11.2) | |
| Boys | (n=4959) | (n=2466) | |
| Grade | |||
| 9 | 9 (0.2) | 3 (0.1) | p=.3424 |
| 10 | 1877 (37.9) | 926 (37.6) | |
| 11 | 1622 (32.7) | 852 (34.5) | |
| 12 | 1451 (29.3) | 685 (27.8) | |
| Weekly spending money | |||
| $0 | 707 (14.3) | 362 (14.7) | p=.5537 |
| $1-20 | 1249 (25.2) | 602 (24.4) | |
| $21-100 | 1388 (30.0) | 658 (26.7) | |
| $100+ | 1152 (23.2) | 599 (24.3) | |
| I don’t know/not stated | 463 (9.3) | 245 (9.9) | |
| Race/ethnicity | |||
| White | 3927 (79.2) | 1884 (76.4) | p=.0071 |
| Black | 184 (3.7) | 97 (3.9) | |
| Off-reserve Aboriginal | 225 (4.5) | 122 (4.9) | |
| Asian | 98 (2.0) | 81 (3.3) | |
| Hispanic | 82 (1.7) | 38 (1.6) | |
| Mixed/other/missing | 443 (8.9) | 244 (9.9) | |
Note: descriptive statistics only reported for student with non-imputed Y3 BMI data
a
BMI classification based on self-reported height and weight and age- and sex- adjusted cut-offs.
b
Numbers may not add to total due to rounding and/or missing data.