Table 1.
Descriptive statistics (unweighted data) in the analytic sample (N = 11,303).
| Demographic variables | N | % |
|---|---|---|
| Puberty (female) | 6,362 | 67.01 |
| Puberty (male) | 4,686 | 49.15 |
| Female sex | 5,671 | 50.17 |
| Below poverty line | 2,711 | 23.98 |
| Ethnicity | ||
| White | 9,250 | 81.92 |
| Mixed | 323 | 2.86 |
| Indian | 308 | 2.73 |
| Pakistani or Bangladeshi | 867 | 7.68 |
| Black or Black British | 363 | 3.21 |
| Other ethnic group | 180 | 1.60 |
| Cambridge gambling task | N | M (SD) |
| CGT Risk taking, age 11 | 10,301 | 0.52 (0.16) |
| CGT Deliberation time, age 11 | 10,302 | 3329.90 (1328.43) |
| CGT Risk adjustment, age 11 | 8,052 | 1.02 (0.82) |
| CGT Delay-aversion, age 11 | 9,201 | 0.33 (0.19) |
| CGT Quality of decision-making, age 11 | 10,302 | 0.80 (0.16) |
| CGT Overall proportion bet, age 11 | 10,301 | 0.48 (0.15) |
| IQ, age 5 | 10,505 | 101.15 (14.81) |
| Prodromal eating pathology | N | % |
| Body dissatisfaction (Perception of weight as very overweight) | 510 | 4.61 |
| Intention to lose weight (A strong desire to lose weight) | 4,659 | 42.05 |
| Dietary restriction (Actively reducing nutritional intake to influence shape/weight) | 4,935 | 44.62 |
| Excessive exercise (Driven use of exercise to influence body weight/shape) | 6,687 | 60.36 |
| Underweight cut-off for child’s age and sex-significant underweight* | 169 | 1.56 |
| Overweight cut-off for child’s age and sex-significant overweight* | 3,751 | 34.52 |
N = number of participants with complete information on the listed variables in our analytic sample; CGT = Cambridge gambling task; M = mean; SD = standard deviation. Puberty = those who had shown signs of puberty at age 11.
*
Based on the UK 90 (Cole et al., 1995).