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Table 1 Participant characteristics

From: A comparison of eating disorder symptomatology, psychological distress and psychosocial function between early, typical and later onset anorexia nervosa

Measure EO-AN
M ± SD or N (%)
TO-AN
M ± SD or N (%)
LO-AN
M ± SD or N (%)
p-value
N = 58 N = 113 N = 78
Age 24.77 ± 7.94 24.96 ± 8.48 30.59 ± 10.06** <.001
Age of onset 12.31 ± 2.35 16.19 ± 1.03** 24.01 ± 6.83** <.001
Duration of illness 12.46 ± 8.94 8.08 ± 8.44* 6.39 ± 7.87** <.001
Gender     0.832
 Male 3 (5.2%) 5 (4.4%) 5 (6.4%)  
 Female 55 (94.8%) 108 (95.6%) 73 (93.6%)  
Ethnicity     0.769
 Caucasian 48 (82.8%) 89 (78.8%) 57 (73.1%)  
 Other European 3 (5.2%) 5 (4.4%) 6 (7.7%)  
 East Asian 2 (3.4%) 4 (3.5%) 1 (1.3%)  
 Aboriginal and Torres Strait Islander 1 (1.7%) 2 (1.8%) 2 (2.6%)  
 Other/Unknown 4 (6.9%) 13 (11.5%) 12 (15.4%)  
Education     0.177
 Secondary School 24 (41.4%) 35 (31.0%) 16 (20.5%)  
 Tertiary commenced/completed 30 (51.7%) 68 (60.2%) 50 (64.1%)  
 Vocational 1 (1.7%) 3 (2.7%) 2 (2.6%)  
 Other/Unknown 3 (5.2%) 7 (6.2%) 10 (12.8%)  
Employment     0.226
 Student 19 (32.8% 48 (42.5%) 18 (23.1%)  
 Full-time employed 4 (6.9%) 7 (6.2%) 9 (11.5%)  
 Part-time employed 11 (19.0%) 23 (20.4%) 13 (16.7%)  
 Home duties 1 (1.7%) 3 (2.7%) 4 (5.1%)  
 Unemployed 4 (6.9%) 9 (8.0%) 7 (9.0%)  
 Unable to work because of illness 17 (29.3%) 17 (15.0%) 23 (29.5%)  
 Unknown/missing 2 (3.4%) 6 (5.3%) 4 (5.1%)  
Marital status     0.180
 Never married 46 (79.3%) 88 (77.9%) 53 (67.9%)  
 Widowed 1 (1.3%)  
 Divorced/separated 1 (1.7%) 4 (3.5%) 8 (10.3%)  
 Married/defacto 8 (13.8%) 10 (8.8%) 11 (14.1%)  
 Unknown/missing 3 (5.2%) 11 (9.7%) 5 (6.4%)  
  1. *compared to EO-AN, p < .01; **compared to EO-AN, p < .001
  2. EO-AN early onset anorexia nervosa; TO-AN typical onset anorexia nervosa; LO-AN later onset anorexia nervosa