Table 2.
Descriptive statistics for predictor and outcome measures among girls in the COMPASS study (Y3 data 2014/2015).
|
BMI classificationa |
|||
|---|---|---|---|
| Normal weight (n=6,566) | Overweight/Obese (n=1,690) | ||
| Mean (SD) | Mean (SD) | T-test | |
| Vigorous physical activity (PA; average minutes/day) | 54.17 (47.61) | 47.78 (45.12) | p<.0001 |
| Moderate-intensity PA (average minutes/day) | 51.01 (44.81) | 53.04 (48.43) | p=.1234 |
| % (n)b | % (n) | Chi-square | |
| Weight Perception | |||
| Very/slightly underweight | 10.6 (695) | 0.7 (12) | p<.0001 |
| “About right” | 69.4 (4554) | 21.8 (368) | p<.0001 |
| Very/slightly overweight | 20.1 (1317) | 77.5 (1310) | p<.0001 |
| Physical education class enrollment | |||
| Yes | 21.9 (1431) | 16.7 (281) | p<.0001 |
| No | 78.1 (5114) | 83.3 (1402) | |
| School-organized PA (e.g., intramurals) | |||
| Yes | 38.5 (2526) | 32.2 (543) | p<.0001 |
| No | 61.5 (4031) | 67.8 (1143) | |
| School league/team sports (e.g., varsity) | |||
| Yes | 42.1 (2759) | 32.6 (550) | p<.0001 |
| No | 57.9 (3794) | 67.4 (1137) | |
| League/team sports outside of school | |||
| Yes | 45.3 (2969) | 39.9 (671) | p<.0001 |
| No | 54.7 (3580) | 60.1 (1012) | |
| Meets PA guidelinesc | |||
| Yes | 39.1 (2535) | 37.7 (630) | p=.2807 |
| No | 60.9 (3941) | 62.3 (1041) | |
| Meets resistance exercise guidelinesc | |||
| Yes | 50.9 (3334) | 42.0 (709) | p<.0001 |
| No | 49.1 (3217) | 58.0 (981) | |
| Adequate fruit and vegetable intaked | |||
| Yes | 5.1 (331) | 4.6 (77) | p=.4399 |
| No | 94.9 (6188) | 95.4 (1591) | |
| Sugar-sweetened beverages (days/week) | |||
| 0 | 35.6 (2304) | 33.2 (555) | p=.0830 |
| 1–3 | 43.6 (2820) | 45.2 (755) | p=.2016 |
| 4–7 | 20.9 (1351) | 21.6 (361) | p=.4776 |
| Consumed energy drink(s) in past week | |||
| Yes | 92.3 (5965) | 89.7 (1497) | |
| No | 7.7 (501) | 10.3 (172) | p=.0007 |
| Breakfast skipping | |||
| Skips 3 or more days/week | 40.8 (2657) | 48.1 (806) | p<.0001 |
| Eats breakfast regularly (5–7/week) | 59.2 (3858) | 51.9 (870) | |
| Weekday lunches from fast food/restaurants | |||
| 0 | 60.9 (3968) | 63.4 (1065) | p=.0520 |
| 1-2 | 31.8 (2073) | 30.9 (518) | p=.4669 |
| 3-5 | 7.3 (474) | 5.7 (96) | p=.0261 |
| Fast food/restaurants on weekends | |||
| Yes | 51.8 (3381) | 51.2 (858) | p=.0267 |
| No | 48.2 (3141) | 48.8 (818) | |
| Vending machine/store snacks (days/week) | |||
| 0 | 76.0 (4915) | 75.3 (1257) | p=.6875 |
| 1–3 | 22.1 (1429) | 23.1 (385) | p=.3677 |
| 4–7 | 1.9 (123) | 1.6 (27) | p=.4493 |
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.
c
based on CSEP (2016) guidelines for youth of 60 minutes of moderate/vigorous physical activity a day and strengthening exercises at least 3 days a week.
d
based on Canada's Food Guide recommendations of 7 and 8 servings for girls and boys, respectively.