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Table 1 Sensitivity and specificity estimates using self reported BMI and the three correction equations

From: The usefulness of “corrected” body mass index vs. self-reported body mass index: comparing the population distributions, sensitivity, specificity, and predictive utility of three correction equations using Canadian population-based data

MALES – Selected BMI indicators versus measured BMI
  Normal weight Overweight Obese
  Sens Spec Sens Spec Sens Spec
Self-reported 91.03 83.31 73.03 79.84 60.59 98.52
(86.21 to 95.85) (80.16 to 86.45) (68.29 to 77.78) (75.40 to 84.28) (52.91 to 68.27) (97.56 to 99.48)
BMI Correction 77.11 92.85 82.18 80.02 79.72 94.87
(70.59 to 83.63) (90.70 to 95.00) (77.97 to 86.39) (75.60 to 84.44) (73.63 to 85.60) (92.97 to 96.77)
Weight-only Correction 81.07 89.86 80.15 80.94 75.6 96.82
(74.62 to 87.52) (87.20 to 92.51) (75.82 to 84.48) (76.40 to 85.49) (68.79 to 82.42) (95.48 to 98.16)
Weight-only Corr. (Simple) 81.22 89.86 80.15 80.94 75.6 96.82
  (74.77 to 87.67) (87.20 to 92.51) (75.82 to 84.48) (76.40 to 85.49) (68.79 to 82.42) (95.48 to 98.16)
FEMALES – Selected BMI indicators versus measured BMI
  Normal weight Overweight Obese
  Sens Spec Sens Spec Sens Spec
Self-reported 91.57 78.66 63.01 88.97 66.44 99.07
(88.44 to 94.70) (74.95 to 82.34) (56.87 to 69.14) (86.03 to 91.90) (59.11 to 73.77) (98.51 to 99.63)
BMI Correction 86.08 87.71 76.88 87.92 81.4 96.55
(81.83 to 90.34) (84.88 to 90.55) (71.62 to 82.15) (84.88 to 90.97) (75.65 to 87.15) (95.12 to 97.98)
Weight-only Correction 86.17 88.96 75.31 89 81.62 96.42
(82.13 to 90.21) (86.28 to 91.63) (69.96 to 80.66) (86.13 to 91.87) (75.87 to 87.36) (94.98 to 97.86)
Weight-only Corr. (Simple) 86.64 88.21 74.13 89.33 81.7 96.42
  (82.66 to 90.62) (85.46 to 90.96) (68.69 to 79.56) (86.50 to 92.16) (75.96 to 87.44) (94.98 to 97.86)
  1. 95% confidence intervals in parentheses.