Table 2 Characteristics of the study participants by body size perception
Characteristics | Girls (n = 724) | Boys (n = 687) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BSP, n (%) | Too thina | About the right size | Too fatb | Too thina | About the right size | Too fatb | ||||||
49 | (6.8) | 379 | (52.3) | 296 | (40.9) | 130 | (18.9) | 454 | (66.1) | 103 | (15.0) | |
BMI (kg/m2), mean (SD) | 18.0 | (2.2)*** | 20.0 | (2.0) | 22.8 | (3.6)*** | 19.5 | (2.0)*** | 20.9 | (2.2) | 24.4 | (3.4)*** |
BMI < 17c, n (%) | 6 | (12.2)*** | 2 | (0.5) | 0 | (0.0) | 1 | (0.8) | 0 | (0.0) | 0 | (0.0) |
Normal BMIc, n (%) | 42 | (85.7) | 359 | (94.7) | 213 | (72.0) | 122 | (93.8) | 397 | (87.4) | 42 | (40.8) |
BMI > 25c, n (%) | 1 | (2.0) | 18 | (4.7) | 83 | (28.0)*** | 7 | (5.4)* | 57 | (12.6) | 61 | (59.2)*** |
Competitive goals in sports, n (%) | 10 | (20.4)* | 135 | (35.6) | 54 | (18.2)*** | 56 | (43.1) | 204 | (44.9) | 16 | (15.5)*** |
Self-rated good health, n (%) | 38 | (77.6)* | 350 | (92.3) | 210 | (70.9)*** | 114 | (87.7)* | 423 | (93.2) | 75 | (72.8)*** |
Perceived good physical fitness, n (%) | 30 | (61.2)* | 288 | (76.0) | 135 | (45.6)*** | 105 | (80.8) | 396 | (87.2) | 48 | (46.6)*** |
MVPA (min/d)d, mean (SD) | 81 | (26) | 75 | (27) | 65 | (25)* | 92 | (38) | 97 | (34) | 63 | (28)** |
Motives to exercise | ||||||||||||
Appearance/weight motives, median (IQR) | 2.0 | (3.0) | 3.0 | (2.0) | 5.0 | (2.0)*** | 2.0 | (2.0)* | 2.0 | (2.0) | 3.0 | (2.0)*** |
Health/fitness motives, median (IQR) | 5.0 | (3.0) | 5.0 | (1.0) | 5.0 | (2.0) | 5.0 | (3.0) | 5.0 | (2.0) | 4.0 | (3.0) |
Social motives, median (IQR) | 6.0 | (3.0) | 6.0 | (3.0) | 5.0 | (3.0) | 6.0 | (4.0) | 6.0 | (3.0) | 6.0 | (4.0)** |
Enjoyment motives, median (IQR) | 4.0 | (3.0) | 5.0 | (2.0) | 4.0 | (3.0)** | 5.0 | (3.0) | 5.0 | (2.0) | 4.0 | (2.0)** |