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Table 2 Descriptive statistics of BMI, income, and other variables in China, 1989 - 2011 (n = 80,230 observations)

From: Family income and body mass index – what have we learned from China

Variables Mean Standard deviation Min Max
Body Mass Index (BMI)
 Whole Sample 22.725 3.293 8.954 39.792
 All Men 22.622 3.175 8.954 39.792
 All Women 22.817 3.393 9.033 39.751
Cofactors
 HH Income (1000 2011CNY) 10.642 17.398 0 658.472
 Highest Years of Education 7.002 4.310 0 18
 Age 45.828 15.896 18 100.8
 Marital Status (0 = not married, 1 = married) 0.887 0.317 0 1
 Gender (0 = male, 1 = female) 0.527 0.499 0 1
 Family size 3.942 1.575 1 14
 Urban (0 = urban, 1 = rural) 0.653 0.476 0 1