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Table 2 Socioeconomic characteristics in sample and populations (n = 1541)

From: Impact of environmental and social attitudes, and family concerns on willingness to pay for improved air quality: a contingent valuation application in Mexico City

 

Mean

Std. Dev

DGAMa

t test

(A)

 

(B)

(B–A)

Male

0.48

0.49

0.48

0.00

Age

39.01

14.44

38.50

1.38

Household members

3.77

1.59

3.70

1.72

Unemployed

0.66

0.78

0.54

6.03

Retired

0.12

0.32

0.12

0.00

Car at household

0.74

0.44

0.76

1.78

Sick household member

0.33

0.47

  1. aSources: CEFP (2009), INEGI (2010), INEGI (2016)