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Table 3 The changes of BMI over time vary with urban/rural for selected age groups

From: Social disparities in body mass index (BMI) trajectories among Chinese adults in 1991–2011

Male   1991 1993 1997 2000 2004 2006 2009 2011 ∆(%)
1946–1950 rural 21.51 21.76 22.09 22.59 22.62 22.50 22.98 23.11 7.44
urban 22.65 22.69 23.13 23.54 23.53 23.89 24.07 23.84 5.25
1951–1955 rural 21.46 21.72 22.09 22.39 22.50 22.64 22.95 23.14 7.82
urban 22.49 22.82 23.89 24.26 25.32 24.46 25.07 24.91 10.77
1956–1960 rural 21.67 21.82 22.13 22.71 23.03 23.21 23.53 23.65 9.11
urban 21.51 21.76 22.64 23.42 24.20 24.48 24.31 24.58 14.25
1961–1965 rural 21.06 21.37 21.77 22.52 22.91 23.10 23.75 23.98 13.86
urban 21.78 22.11 23.08 23.89 23.80 24.19 24.85 25.01 14.83
1966–1973 rural 20.43 20.76 21.13 21.61 22.29 22.39 22.80 23.15 13.34
urban 21.01 21.74 23.00 24.28 24.28 24.08 25.08 25.86 23.07
Female   1991 1993 1997 2000 2004 2006 2009 2011 ∆(%)
1946–1950 rural 22.36 22.68 22.79 23.27 23.50 23.36 23.60 23.39 4.60
  urban 23.60 23.84 24.49 24.28 24.76 24.81 23.39 25.59 8.41
1951–1955 rural 21.91 22.08 22.51 22.99 23.20 23.37 23.62 23.79 8.59
  urban 22.38 22.59 23.23 23.93 24.34 24.59 24.07 23.11 3.24
1956–1960 rural 21.80 22.05 22.58 23.33 23.71 23.96 24.32 24.48 12.34
  urban 22.29 22.58 23.63 24.45 23.38 24.56 24.41 24.48 9.86
1961–1965 rural 21.41 21.75 22.10 22.96 23.42 23.51 24.04 24.77 15.70
  urban 20.92 21.25 22.50 22.90 21.77 22.17 23.84 23.81 13.83
1966–1973 rural 21.09 21.19 21.82 22.19 22.97 22.93 23.00 23.70 12.39
  urban 20.57 20.42 21.64 22.38 23.03 23.02 22.44 22.41 8.99