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Table 1 Participant characteristics and ED symptoms (SCOFF items) from early adolescence to early adulthood

From: Developmental trajectories of eating disorder symptoms: A longitudinal study from early adolescence to young adulthood

Variable

n (%)

12 years

n = 1336

15 years

n = 1443

17 years

n = 1269

20 years

n = 1243

Sex, n boys/girls (%)

638/698 (47.8/52.3)

690/753 (47.8/52.3)

582/687 (45.9/54.1)

525/718 (42.2/57.8)

Ethnic origin, n (%)

    

 Canadian/European

1104 (82.6)

1186 (82.1)

1036 (81.6)

1010 (81.3)

 American–Indian

41 (3.1)

40 (2.8)

43 (3.4)

35 (2.8)

 African, Haitian

22 (1.7)

24 (1.7)

24 (1.9)

25 (2.0)

 Other

162 (12.1)

183 (12.7)

161 (12.7)

167 (13.4)

 Unknown

7 (0.5)

10 (0.7)

5 (0.4)

6 (0.5)

ED risk n (%)

299 (22.4%)

489 (33.9%)

447 (35.2%)

124 (10%)

Sick n (%)

204 (15.2%)

54 (3.7%)

67 (5.3%)

64 (5.1%)

Control n (%)

240 (17.8%)

561 (38.9%)

486 (38.4%)

475 (38.2%)

One stone n (%)

186 (13.9%)

202 (15.9%)

227 (15.7%)

125 (10.1%)

Fat n (%)

167 (12.4%)

314 (21.8%)

244 (19.2%)

207 (16.7%)

Food n (%)

335 (24.9%)

649 (45%)

632 (49.9%)

500 (40.2%)

  1. Sick, Control, One Stone, Fat, and Food refer to the five items of the SCOFF questionnaire. ED risk indicates the number of people (%) that has at least 2 items on the SCOFF questionnaire are scored positive. The numbers listed for the Sick, Control, One stone, Fat or Food item indicates the number of people (%) scoring positive on the item of interest