Table 1 Sex, age, socioeconomic status (family affluence), self-rated health, self-esteem, BMI, and body concerns among 1225 students from Sogn og Fjordane surveyed at two time-points (2011 and 2013
Variables | N (%) or valid responses | Response options (Likert scale) | Mean (SD) | Min - max | Cronbach’s alpha |
|---|---|---|---|---|---|
Adjusting variables | |||||
Sex | |||||
Girls | 613 (50) | ||||
Boys | 612 (50 | ||||
Grade level | |||||
6. grade in 2011 (11 years of age) | 475 (39) | ||||
8. grade in 2011 (13 years of age) | 750 (41) | ||||
Self-rated family affluence, 2011 | 1181 | 5 (1–5) | 2.2 (0.7) | 1–5 | |
Outcomes | |||||
Self rated health, 2013 | |||||
Very good | 349 (30) | ||||
Good | 597 (51) | ||||
Not so good and bad | 231 (19) | ||||
Self rated health, 2011 | |||||
Very good | 412 (34) | ||||
Good | 677 (56) | ||||
Not so good and bad | 117 (10) | ||||
Self-esteem, 2013 | 1207 | 4 (1–4) | 3.0 (0.6) | 1.0–4.0 | 0.90 |
Self-esteem, 2011 | 1191 | 4 (1–4) | 3.1 (0.5) | 1.2–4.0 | 0.86 |
BMI, 2013 | 1037 | 20.6 (4.2) | |||
LogBMI, 2013 | 1037 | 1.3 (0.08) | 1.1–1.8 | ||
LogBMI, 2011 | 941 | 1.3 (0.07) | 1.0–1.8 | ||
Predictor variables | |||||
Want to change something about body | |||||
Yes | 625 (52) | ||||
No | 580 (48) | ||||
Evaluate my body | |||||
It is OK or I don’t think about it | 734 (62) | ||||
It is too thin | 137 (12) | ||||
It is too fat | 314 (27) | ||||
Dieting | |||||
No, my weight is fine | 747 (62) | ||||
No, I need to gain weight | 82 (7) | ||||
No, but I need to lose weight | 144 (12) | ||||
Yes. I am dieting | 225 (18) | ||||