Table 1 Baseline characteristics of the study sample
Variables | Baseline sample n = 775 | Follow-up participants, main analysis n = 539 | Follow-up participants, secondary analysis n = 692 |
|---|---|---|---|
Sex, females | 355 (45.8) | 280 (51.9) | 381 (55.1) |
Age (mean, SD) | 16.1 (0.5) | 16.1 (0.5) | 16.1 (0.5) |
BMI | |||
Thinness | 38 (4.9) | 29 (5.4) | 34 (4.9) |
Normal weight | 551 (71.1) | 392 (72.2) | 504 (71.8) |
Overweight/obese | 183 (23.6) | 117 (21.7) | 153 (22.1) |
Missing | 3 (0.4) | 1 (0.2) | 1 (0.1) |
Mother education | |||
Low | 243 (31.4) | 169 (31.4) | 228 (32.9) |
High | 308 (39.7) | 229 (42.5) | 289 (41.8) |
Don’t know | 206 (26.6) | 133 (24.7) | 166 (24.0) |
Missing | 18 (2.3) | 8 (1.5) | 9 (1.3) |
Father education | |||
Low | 291 (37.5) | 198 (36.7) | 253 (37.0) |
High | 238 (30.7) | 187 (34.7) | 237 (34.2) |
Don’t know | 215 (27.7) | 138 (25.6) | 182 (27.0) |
Missing | 31 (4.0) | 16 (3.0) | 17 (2.5) |
Chronic diseases, yes | 198 (25.5) | 135 (25.0) | 205 (29.6) |
Missing | 6 (0.8) | 4 (0.7) | 5 (0.7) |
Low social acceptancea | 212 (27.4) | 148 (27.5) | 198 (28.6) |
Missing | 27 (3.5) | 15 (2.8) | 11 (1.6) |
Psychological distressb | 107 (13.8) | 76 (14.1) | 131 (18.9) |
Missing | 24 (3.1) | 9 (1.7) | 17 (2.5) |