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Table 4 Measured, self-reported, and adjusted BMI (mean or percent [95% CI]), Australian NHS 2007-2008 (population-weighted data)

From: Change in bias in self-reported body mass index in Australia between 1995 and 2008 and the evaluation of correction equations

  Measured Self-reported Adjusted: method 1
(height and weight correction)
Adjusted: method 2
(BMI direct correction)
Men (N = 4567)     
Mean BMI 27.60 (27.41-27.80) 26.99 (26.79-27.18) 27.60 (27.40-27.79) 27.60 (27.41-27.79)
BMI category (%)     
BMI < 18.5 1.25 (0.68-1.81) 1.30 (0.74-1.85) 1.04 (0.55-1.53) 0.76 (0.30-1.23)
BMI 18.5-24.99 29.52 (27.73-31.30) 34.82 (32.80-36.85) 29.09 (27.25-30.94) 28.07 (26.25-29.89)
BMI 25-29.99 42.86 (40.78-44.95) 41.42 (39.48-43.36) 43.60 (41.70-45.49) 45.28 (43.34-47.23)
BMI > 30 26.37 (24.63-28.11) 22.46 (20.83-24.09) 26.27 (24.51-28.04) 28.88 (24.14-27.62)
Women (N = 4574)     
Mean BMI 26.44 (26.23-26.64) 25.70 (25.50-25.90) 26.42 (26.23-26.62) 26.43 (26.23-26.64)
BMI category (%)     
BMI < 18.5 2.47 (1.75-3.20) 3.30 (2.56-40.52) 1.92 (1.41-2.42) 1.76 (1.25-2.28)
BMI 18.5-24.99 43.90 (41.90-45.90) 49.75 (47.95-51.55) 44.22 (42.37-46.08) 44.35 (42.49-46.21)
BMI 25-29.99 31.25 (29.48-33.02) 27.97 (26.10-29.83) 32.29 (30.52-34.06) 32.19 (30.39-34.00)
BMI > 30 22.38 (20.69-24.08) 18.98 (17.44-20.52) 21.57 (19.96-23.17) 21.69 (20.14-23.25)