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Table 3 Data summary

From: Do Mexicans care about air pollution?

Variable Mean SD Description
Demographic characteristics
 Male 0.8876 0.3158 1 = male, 0 = female
 Age 40.24 12.59 Age of the household head
 JH 0.2071 0.4052 Junior High graduate
 HS 0.0931 0.2906 High-School graduate
 College 0.0439 0.205 Not 4-year degree
 University 0.1217 0.3269 University graduate
 HighEd 0.0113 0.1057 Master or PhD graduate
 Inctot 45,069.49 135,072.70 Total income from employment (yearly) in pesos
 Single 0.0546 0.2273 1 = single, 0 = otherwise
 PM10 area 0.8032 0.9485 Emissions PM10 per areaa
 Exp_State 33.8797 42.1383 Exposure to PM10 emissions (without a specific distance)a
 Exp_State2 1.6454 3.9947 Exposure to PM10 emissions (without a specific distance and distance square)a
 Exp_State<80 128.8414 227.916 Exposure to PM10 emissions (distance less than 80 km)a
 Exp_State<80_2 3.8361 8.5314 Exposure to PM10 emissions (distance less than 80 km and distance square)a
Economic variables and other main variables
 Employment 0.5658 0.0242 Fraction of population employedb
 Crime 2.2031 0.9502 Crime per capitab
 Population 3.0762 2.6508 Population (millions)c
 Gov. Exp. 8.119 1.8797 Government expenditure per capita ($000)b
 Rank art 16.5 9.3808 Arts rankingsb
 Firms 134,065 106,595.80 Number of firms establishments per stateb
 Life exp. 75.19 1.1754 Life expectancy (years)d
  1. Source: Mexican Census 2000
  2. Source calculations were needed in some cases to get the values
  3. aOwn calculations using NIE
  4. Source: b INEGI (2005a, b, 2006, 2007, 2009); c  CONAPO (2009); d PNUD (2007)