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Table 3 Comparisons of the effect of duration of illness of patients with AN-R only on dimensions of the Multidimensional Perfectionism Scale, the Temperament and Character Inventory and the Beck Depression Inventory-II

From: Psychological and weight-related characteristics of patients with anorexia nervosa-restricting type who later develop bulimia nervosa

Duration of illness Less than 1 year 1–2 years 3–5 years More than 5 years  
  n = 11 n = 13 n = 8 n = 12  
  Mean (SD) Mean (SD) Mean (SD) Mean (SD) F values
MPS          
   Concern over mistakes 26.55 (4.18) 31.85 (7.39) 28.75 (8.43) 25.08 (6.40) 2.41
   Personal standards 21.64 (6.47) 22.00 (3.79) 19.00 (6.50) 19.92 (4.34) 0.75
   Parental expectations 8.55 (3.64) 13.15 (5.24) 8.25 (3.28) 13.17 (5.56) 3.69*
   Parental criticism 8.18 (3.84) 9.62 (3.73) 8.38 (3.34) 9.75 (4.54) 0.47
   Doubts about actions 14.27 (2.20) 12.69 (4.05) 12.88 (4.22) 11.83 (3.86) 0.87
   Organization 20.73 (2.72) 20.62 (4.52) 19.75 (4.59) 19.58 (3.85) 0.24
TCI          
   Novelty seeking 45.73 (7.27) 47.92 (5.79) 43.50 (7.65) 44.17 (5.22) 1.06
   Harm avoidance 61.18 (10.23) 61.46 (8.52) 60.50 (8.80) 59.58 (11.83) 0.09
   Reward dependence 41.09 (4.72) 41.00 (6.30) 46.00 (4.78) 42.67 (4.40) 1.85
   Persistence 14.27 (3.13) 12.38 (2.40) 14.13 (4.64) 14.00 (2.45) 0.98
   Self-directedness 61.45 (10.69) 56.54 (11.23) 65.88 (6.08) 65.42 (12.77) 1.84
   Cooperativeness 74.91 (5.47) 69.31 (10.61) 77.25 (5.26) 75.50 (6.92) 2.28
   Self-transcendence 31.09 (9.02) 24.15 (4.22) 25.13 (8.64) 25.25 (6.11) 2.30
BDI-II 19.27 (13.87) 21.46 (16.88) 18.25 (13.30) 15.67 (8.46) 0.39
  1. Statistical significance: *p < .05
  2. MPS = Multidimensional Perfectionism Scale, TCI = Temperament and Character Inventory, BDI-II = Beck Depression Inventory-II, SD = standard deviation