Table 4 The changes of BMI over time vary with income for selected age groups
From: Social disparities in body mass index (BMI) trajectories among Chinese adults in 1991–2011
Male | Income | 1991 | 1993 | 1997 | 2000 | 2004 | 2006 | 2009 | 2011 | ∆(%) |
|---|---|---|---|---|---|---|---|---|---|---|
1946–1950 | low | 21.28 | 21.64 | 21.68 | 22.55 | 22.25 | 22.84 | 23.63 | 24.25 | 13.95 |
middle | 22.25 | 22.26 | 22.53 | 22.50 | 22.57 | 22.49 | 22.44 | 23.37 | 5.03 | |
high | 22.10 | 22.77 | 22.52 | 23.26 | 23.47 | 22.90 | 23.40 | 23.01 | 4.13 | |
1951–1955 | low | 21.42 | 21.89 | 22.17 | 22.22 | 22.38 | 22.03 | 23.38 | 23.11 | 7.87 |
middle | 22.02 | 22.04 | 22.39 | 22.78 | 22.51 | 22.31 | 22.63 | 22.49 | 2.12 | |
high | 22.21 | 22.60 | 23.26 | 23.21 | 23.88 | 23.72 | 23.57 | 23.72 | 6.8 | |
1956–1960 | low | 21.25 | 21.60 | 21.72 | 21.75 | 22.26 | 22.14 | 23.43 | 23.80 | 12 |
middle | 21.80 | 21.95 | 22.47 | 22.69 | 22.39 | 23.31 | 22.73 | 23.05 | 5.73 | |
high | 22.61 | 22.00 | 22.47 | 23.47 | 24.42 | 23.88 | 23.92 | 23.95 | 5.89 | |
1961–1965 | low | 21.19 | 21.64 | 21.58 | 21.42 | 22.47 | 22.68 | 23.88 | 24.87 | 17.38 |
middle | 21.38 | 21.48 | 22.21 | 22.79 | 22.68 | 23.55 | 23.30 | 22.69 | 6.1 | |
high | 21.56 | 21.61 | 22.61 | 23.61 | 23.58 | 23.26 | 24.14 | 24.29 | 12.67 | |
1966–1973 | low | 20.49 | 21.04 | 21.07 | 21.77 | 21.62 | 21.26 | 22.78 | 24.55 | 19.82 |
middle | 20.90 | 20.83 | 21.61 | 21.81 | 22.73 | 22.14 | 22.58 | 22.94 | 9.79 | |
high | 20.42 | 21.25 | 22.31 | 22.64 | 23.11 | 23.13 | 23.31 | 23.46 | 14.87 | |
Female | income | 1991 | 1993 | 1997 | 2000 | 2004 | 2006 | 2009 | 2011 | ∆(%) |
1946–1950 | low | 22.33 | 22.32 | 22.08 | 22.61 | 22.98 | 22.55 | 23.02 | 23.26 | 4.17 |
middle | 22.70 | 23.18 | 23.00 | 23.51 | 23.12 | 23.62 | 23.90 | 24.39 | 7.47 | |
high | 22.82 | 23.11 | 23.66 | 23.72 | 24.24 | 24.07 | 23.72 | 23.51 | 3.03 | |
1951–1955 | low | 21.78 | 21.83 | 22.23 | 22.86 | 23.26 | 23.46 | 23.40 | 23.82 | 9.35 |
middle | 21.96 | 22.05 | 22.68 | 23.07 | 23.08 | 23.44 | 23.53 | 23.30 | 6.14 | |
high | 22.26 | 22.58 | 22.95 | 23.41 | 23.65 | 23.72 | 24.02 | 23.89 | 7.33 | |
1956–1960 | low | 21.77 | 21.97 | 22.52 | 23.08 | 23.50 | 24.06 | 24.07 | 24.56 | 12.82 |
middle | 22.00 | 22.31 | 22.88 | 23.61 | 23.39 | 24.08 | 24.68 | 24.48 | 11.28 | |
high | 22.01 | 22.24 | 22.94 | 23.84 | 24.17 | 24.01 | 24.24 | 24.41 | 10.88 | |
1961–1965 | low | 21.02 | 21.25 | 22.20 | 22.78 | 22.93 | 23.56 | 23.71 | 24.47 | 16.37 |
middle | 21.51 | 21.89 | 22.50 | 23.08 | 23.24 | 23.14 | 24.49 | 25.11 | 16.76 | |
high | 21.19 | 21.63 | 21.92 | 22.99 | 23.62 | 23.22 | 24.02 | 24.44 | 15.33 | |
1966–1973 | low | 21.09 | 21.11 | 21.70 | 22.33 | 22.83 | 23.37 | 23.19 | 23.70 | 12.34 |
middle | 20.95 | 21.00 | 21.94 | 22.21 | 23.11 | 22.75 | 23.09 | 23.51 | 12.20 | |
high | 20.52 | 20.77 | 21.79 | 21.97 | 23.18 | 22.21 | 22.28 | 23.22 | 13.16 |