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Table 2 Demographic and weight presentation of study participants with AN, Atypical AN, and ARFID (n = 193)

From: Attributes of children and adolescents with avoidant/restrictive food intake disorder

  AN n = 52 Atypical AN n = 35 ARFID n = 106 p a
M (SD) or n (%) M (SD) or n (%) M (SD) or n (%)
Age 15.06 (1.96)* 15.23 (1.88)* 12.39 (2.65)** <.0001
Gender
 Male 8 (15.38)* 4 (11.43)* 43 (40.57)** .0002
 Female 44 (84.62) 31 (88.57) 63 (59.43)  
Race/Ethnicity
 White/Caucasian 45 (86.54) 28 (80.00) 87 (82.08) .69
 Black/African-American 0 (0) 1 (2.86) 2 (1.89) .75b
 Hispanic/Latino 0 (0)** 6 (17.14)* 9 (8.49)* .005b
 Asian 4 (7.69) 0 (0) 4 (3.77) .25b
Weight Presentation
 Kilograms 44.41 (8.50)* 56.67 (7.50)** 37.61 (11.97)*** <.0001
 BMI 16.63 (1.74) * 20.66 (2.11)** 16.09 (2.67)*** <.0001
 BMI z-score −1.59 (1.00)* 0.21 (0.62)** −1.49 (1.45)* <.0001
 %mBMI 83.11 (7.75)* 103.33 (11.54)** 86.40 (14.87)* <.0001
 Acute Weight Loss (vs. Chronic)c 16 (40.0%)* 12 (50.0%)* 15 (14.9%)** .0001
  1. aAnalyzed using Pearson’s Chi-square test for categorical variables or ANOVA for continuous variables, unless noted differently. b Due to small cell count, analyzed using Fischer’s Exact test. c Data missing for 28 patients (for AN: n = 12, for Atypical AN: n = 11, and for ARFID: n = 5). Race/Ethnicity excludes patients who declined to respond or selected “other” (n = 7). */**/*** Denotes significance between eating disorder groups using pairwise comparisons (p < .05)