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Table 1. 
Demographic and Clinical Information
 HC (n = 53)AN (n = 41)HC vs. ANAN T1 vs. T2
Mean ± SDMean ± SDtptp
Time 1 
Age, years 25.6 ± 5 27.1 ± 7 1.2 .236     
Estimated IQ 111.8 ± 12.2 105.1 ± 11.3 −2.7 .008     
Dur. ill (years)   9.6 ± 7.1         
BMI 21.3 ± 1.5 16 ± 2 −14.6 <.001     
EDE-Q 0.5 ± 0.6 4.16 ± 1.5 15.8 <.001     
BDI 2.1 ± 2.4 27.6 ± 12.6 14.4 <.001     
STAI 31.3 ± 7.3 61 ± 11.2 15.5 <.001     
YBC-EDS n/a 22.5 ± 6.4         
YBC-EDS pre. n/a 11.7 ± 3.2         
YBC-EDS rit. n/a 10.8 ± 3.7         
  
Time 2 HC (n = 29a) AN (n = 25a)         
BMI 20.9 ± 1.3 20.3 ± 1 −1.4 .172 −13.0 <.001 
EDE-Q 0.4 ± 0.4 2.8 ± 1.2 9.8 <.001 6.7 <.001 
BDI 3.0 ± 2.6 16.7 ± 12.1 5.7 <.001 5.2 <.001 
STAI 33.6 ± 8.7 55.9 ± 11.4 7.9 <.001 3.4 .003 
 HC (n = 53)AN (n = 41)HC vs. ANAN T1 vs. T2
Mean ± SDMean ± SDtptp
Time 1 
Age, years 25.6 ± 5 27.1 ± 7 1.2 .236     
Estimated IQ 111.8 ± 12.2 105.1 ± 11.3 −2.7 .008     
Dur. ill (years)   9.6 ± 7.1         
BMI 21.3 ± 1.5 16 ± 2 −14.6 <.001     
EDE-Q 0.5 ± 0.6 4.16 ± 1.5 15.8 <.001     
BDI 2.1 ± 2.4 27.6 ± 12.6 14.4 <.001     
STAI 31.3 ± 7.3 61 ± 11.2 15.5 <.001     
YBC-EDS n/a 22.5 ± 6.4         
YBC-EDS pre. n/a 11.7 ± 3.2         
YBC-EDS rit. n/a 10.8 ± 3.7         
  
Time 2 HC (n = 29a) AN (n = 25a)         
BMI 20.9 ± 1.3 20.3 ± 1 −1.4 .172 −13.0 <.001 
EDE-Q 0.4 ± 0.4 2.8 ± 1.2 9.8 <.001 6.7 <.001 
BDI 3.0 ± 2.6 16.7 ± 12.1 5.7 <.001 5.2 <.001 
STAI 33.6 ± 8.7 55.9 ± 11.4 7.9 <.001 3.4 .003 

WASI IQ data are missing from one individual with AN. At Time 1 (T1), BDI data are missing from one individual with AN. At Time 2 (T2), BMI data are missing from one individual with AN. Dur. ill = duration of illness; pre. = preoccupations; rit. = rituals.

a

Thirty-four HCs and 32 individuals with AN participated in the longitudinal study.

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