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Table 4 Accuracy of self-perceived BMI compared with actual BMI category among 508 consecutive patients a

From: Self-perceived vs actual and desired weight and body mass index in adult ambulatory general internal medicine patients: a cross sectional study

  Actual BMI category  
Accuracy of self-perceived BMI Underweight Normal Overweight Obese P valueb
All patients (n = 508)      <.001
  Accurate 9 (82) 98 (71) 112 (58) 32 (19)  
  Inaccurate 2 (18) 40 (29) 82 (42) 132 (81)  
Women (n = 257)      <.001
  Accurate 9 (82) 65 (69) 62 (76) 17 (24)  
  Inaccurate 2 (18) 29 (31) 19 (24) 54 (76)  
Men (n = 251)c      <.001
  Accurate NA 33 (75) 50 (44) 15 (16)  
  Inaccurate NA 11 (25) 63 (56) 78 (84)  
  1. Abbreviations: BMI body mass index, NA not applicable.
  2. aAcross all 4 categories and for trend.
  3. bValues are percentages of patients.
  4. cData were missing for 1 patient.