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Table 9 Descriptive Statistics of BMI, Income, and Other Variables in China, 2004–2011 (n = 40,278 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 23.353 3.449 8.954 39.792
 All Men 23.337 3.332 8.954 39.792
 All Women 23.368 3.550 9.033 39.751
Cofactors
 HH Income (1000 2011CNY) 16.826 23.128 0 658.472
 Highest Years of Education 7.678 4.316 0 18
 Age 49.963 15.305 18 100
 Marital Status (0 = not married, 1 = married) 0.924 0.263 0 1
 Gender (0 = male, 1 = female) 0.530 0.499 0 1
 Family size 3.634 1.555 1 13
 Urban (0 = urban, 1 = rural) 0.636 0.481 0 1