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. 2008 Jun 18;68(1):547–555. doi: 10.1016/j.ecolecon.2008.05.017

Table 1.

Description of variables

Variable Definition Descriptive statistics
Environmental attitudes
Environment awareness Response to the question: Is environmental protection a social problem of major interest to you? A dummy variable set equal to 1 if the respondent answered ‘yes’; zero otherwise. 28.5% of respondents considered environmental protection a social problem of major interest to them.
Neighbourhood environment Response to the question: Over the last two years, what changes in environmental consciousness have you observed in the neighbourhood in which you live? Responses depicted on an ordinal scale from 1 = ‘considerable fall’ to 5 = ‘significant improvement’. 1 = 1.3%; 2 = 7.7%; 3 = 24.2%; 4 = 56.5%; 5 = 10.3%. Mean perceived change rating = 3.66 (SD = 0.81).



Attitudes on other socio-economic and political issues
Pro-market A dummy variable set equal to 1 if the respondent favours further market reforms; zero otherwise. 96.8% of respondents were pro-market.
Income inequality A dummy variable set equal to 1 if income inequality is a social problem of major interest to the respondent; zero otherwise. 29.5% of respondents considered income inequality a social problem of major interest to them.
Social protection A dummy variable set equal to 1 if social protection is a social problem of major interest to the respondent; zero otherwise. 50.5% of respondents considered social protection a social problem of major interest to them.
National reunification A dummy variable set equal to 1 if reunification between the Mainland and Taiwan is a social problem of major interest to the respondent; zero otherwise. 9.9% of respondents considered national reunification a social problem of major interest to them.
SARS A dummy variable set equal to 1 if SARS is a social problem of major interest to the respondent; zero otherwise. 26.2% of respondents considered SARS a social problem of major interest to them.



Personal characteristics
Gender A dummy variable set equal to 1 if the respondent is male. 51.2% female.
Age The age of the respondent. Mean = 39.11 (SD = 13.90) in a range of 18–88.
Marital status A vector of dummy variables for marital status of the respondent (single, married, divorced and not remarried, divorced and remarried, widowed and not remarried, widowed and remarried). Single = 25.6%, married = 69.4%, divorced and not remarried = 1.9%, divorced and remarried = 0.5%, widowed and not remarried = 2.4%, widowed and remarried = 0.2%.
Education A vector of dummy variables representing the highest education of respondent (junior secondary school and below; senior secondary school; polytechnic school; three year higher degree; four year undergraduate; and postgraduate degree. Junior secondary school and below = 20.9%; senior secondary school = 28.5%; polytechnic school = 11.4%; three year higher degree = 22.9%; four year undergraduate = 14.8%; and postgraduate degree = 1.5%.
Occupation A vector of dummy variables for occupation of respondent (senior professional; middle professional; lower professional; technical; semi-skilled; manual; retired; not in labour force). Senior professional = 0.5%; middle professional = 9.3%; lower professional = 25.8%; technical = 14.1%; semi-skilled = 13.6%; manual = 3.6%; retired = 15.9%; not in labour force = 8.4%.
Unemployed A dummy variable set equal to 1 if the respondent is unemployed, or laid-off (xiagang). 8.8% of respondents were unemployed or laid-off (xiagang).
Income An ordered variable representing monthly household income over 20 categories from 1 (≤ 260 RMB) to 20 (> 20,000 RMB). Median = 9 (RMB2001-2250).



Environmental surroundings
Pollution SO2 emissions (tons per capita) in 2003 in the province/municipality/autonomous region in which the respondent lives. Mean = 0.012; SD = 0.006; Min. = 0.0003; Max. = 0.0327.
Disaster Number of environmental disasters in 2003 in the province/municipality/autonomous region in which the respondent lives. Mean = 58.8; SD = 75.5; Min. = 0; Max. = 358
Congestion Total passenger traffic (vehicles) per capita in 2003 in the city where the respondent lives. Mean = 2.08; SD = 1.85; Min. = .05; Max. = 11.8
Parks Green area per capita in 2003 in the city where the respondent lives. Mean = 5.334; SD = 2.009; Min. = 1.6; Max. = 10.1