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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)