Table 1 Mean (SE) measured BMI, self-reported BMI, and difference across age and sex groups from cross-sectional surveys in 1995 and 2007-2008 (population-weighted data)
| Â | 1995 | Â | Â | Â | 2007-2008 | Â | Â | Â |
|---|---|---|---|---|---|---|---|---|
Age group (years) | N | Measured BMI | Self-reported BMI | Difference in BMI* | N | Measured BMI | Self-reported BMI | Difference in BMI* |
Men | Â | Â | Â | Â | Â | Â | Â | Â |
20-29 | 871 | 25.22 (0.17) | 24.46 (0.16) | -0.76 (0.06) | 704 | 25.66 (0.26) | 25.30 (0.25) | -0.36 (0.07) |
30-39 | 1065 | 26.63 (0.14) | 25.60 (0.13) | -1.03 (0.05) | 874 | 27.53 (0.22) | 27.04 (0.22) | -0.49 (0.06) |
40-49 | 904 | 27.27 (0.15) | 26.09 (0.15) | -1.19 (0.06) | 940 | 27.85 (0.22) | 27.50 (0.21) | -0.36 (0.06) |
50-59 | 731 | 27.70 (0.17) | 26.33 (0.17) | -1.37 (0.07) | 780 | 28.57 (0.21) | 27.87 (0.21) | -0.70 (0.06) |
60-69 | 649 | 27.77 (0.19) | 26.25 (0.17) | -1.53 (0.07) | 726 | 28.65 (0.22) | 27.70 (0.21) | -0.96 (0.08) |
70+ | 488 | 27.04 (0.18) | 25.16 (0.18) | -1.88 (0.08) | 543 | 27.94 (0.25) | 26.70 (0.23) | -1.24 (0.10) |
Overall | 4708 | 26.77 (0.07) | 25.59 (0.07) | -1.18 (0.03) | 4567 | 27.60 (0.10) | 26.99 (0.10) | -0.62 (0.03) |
Women | Â | Â | Â | Â | Â | Â | Â | Â |
20-29 | 902 | 23.70 (0.21) | 22.63 (0.17) | -1.07 (0.09) | 650 | 24.68 (0.28) | 24.17 (0.28) | -0.51 (0.07) |
30-39 | 1070 | 25.13 (0.18) | 23.97 (0.17) | -1.16 (0.06) | 949 | 25.65 (0.19) | 25.06 (0.19) | -0.59 (0.06) |
40-49 | 982 | 26.16 (0.20) | 24.93 (0.19) | -1.23 (0.06) | 930 | 26.83 (0.22) | 26.16 (0.23) | -0.67 (0.08) |
50-59 | 760 | 27.23 (0.21) | 25.81 (0.19) | -1.41 (0.06) | 728 | 27.44 (0.28) | 26.70 (0.27) | -0.75 (0.07) |
60-69 | 667 | 27.32 (0.22) | 25.56 (0.21) | -1.77 (0.08) | 681 | 27.79 (0.24) | 26.85 (0.22) | -0.94 (0.08) |
70+ | 545 | 26.61 (0.22) | 24.26 (0.20) | -2.35 (0.09) | 636 | 26.93 (0.28) | 25.65 (0.26) | -1.28 (0.11) |
Overall | 4926 | 25.76 (0.09) | 24.36 (0.08) | -1.40 (0.03) | 4574 | 26.44 (0.10) | 25.70 (0.10) | -0.74 (0.03) |