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Table 3 Distribution of socioeconomic status for the 44 townships

From: Socioeconomic variations in nicotine dependence in rural southwest China

Variables

Min

P25

P50

P75

Max

Percent middle (grade 7–9) or higher education level (%)

60.5

81.9

85.4

89.5

95.3

Percentage of ethnic minorities (%)

0.05

3.1

11.3

82.2

98.8

Average yearly income (1000 US$)

0.26

0.45

0.65

0.79

1.45

Population size

5665

10709

21687

62846

120243

Area of township (Square kilometers)

12

110

208

307

574

Area of tobacco cultivation (Square kilometers)

0

17

41

114

384