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Summary statistics of variables included in econometric models (n = 2226).

 
Variables Description Survey question† Mean SD
Dependent Adopt indoor conservation (1– yes, 0– otherwise) Q68 0.40 0.49
Adopt outdoor conservation
(1– yes, 0– otherwise)
Q68 0.77 0.42
Independent
Importance of… Clean river, lakes & streams
(1– not important, … 5– extremely important)
Q1 4.68 0.59
Clean groundwater
(1– not important, … 5– extremely important)
Q2 4.71 0.57
Clean drinking water
(1– not important, … 5– extremely important)
Q3 4.94 0.27
Importance of water for… Aquatic habitat and fishing
(1– not important, … 5– extremely important)
Q10 4.36 0.84
Power generation, commerce, and/or industry
(1– not important, … 5– extremely important)
Q5, Q6, Q7 4.12 0.89
Agriculture, irrigation, and/or livestock
(1– not important, … 5– extremely important)
Q8, Q18, Q19 4.39 0.79
Household and private sector
(1– not important, … 5– extremely important) landscapes
Q15, Q16 3.40 1.27
Recreation
(1– not important, … 5– extremely important)
Q4 3.89 1.12
Importance of actions… Residential water conservation
(1– not important, … 5– extremely important)
Q41 4.22 0.94
Information sources Extension
(1– yes, 0– no)
Q70 0.16 0.37
Environmental groups
(1– yes, 0– no)
Q70 0.29 0.45
Preferred learning methods ‡ Active
(1– checked, 0– not checked)
Q72 0.80 0.40
Passive
(1– checked, 0– not checked)
Q72 0.66 0.47
Action
(1– checked, 0– not checked)
Q72 0.27 0.44
Like to learn about…§ Community water quality issues
(1– checked, 0– not checked)
Q71 0.55 0.50
Drinking water quality issues
(1– checked, 0– not checked)
Q71 0.42 0.49
Well/septic water quality issues
(1– checked, 0– not checked)
Q71 0.29 0.46
Personal water quality issues
(1– checked, 0– not checked)
Q71 0.56 0.50
How well do these protect water quality Federal government
(1– very poorly, …, 5– very well)
Q62 2.94 1.01
State government
(1– very poorly, …, 5– very well)
Q62 3.06 1.05
County, city, or town
(1– very poorly, …, 5– very well)
Q62 3.20 1.12
Individual citizens
(1– very poorly, …, 5– very well)
Q62 2.79 1.03
General environmental attitude View of nature
(1– for total natural resource use, …, 9– for total environmental protection)
Q66 5.31 1.97
Demographics Reside in city limits
(1– yes, 0– otherwise)
Q74 0.56 0.50
Time in state
(1– <5 yr, …, 4– “All my life”)
Q77 3.25 0.81
Gender
(1– female, 0– otherwise)
Q78 0.33 0.47
Education
(1– less than high school, …, 5– advanced college)
Q80 3.48 1.12
When >1 question indicated, used average of responses calculated across the listed questions.
“Active learning methods” are defined based on respondents’ choices of such methods as read printed materials (e.g., fact sheets), visit a website, watch a video (or DVD) of information, and attend a fair or festival; “Passive learning methods” include respondents’ choices of such methods as look at a demonstration or display, read a newspaper article or series, or watch TV coverage; “Action learning methods” include options to attend a short course or workshop, take part in a onetime volunteer activity, take a course for certification or credit, get trained for a regular volunteer position, and learn how to conduct home, farm, or workplace water practices assessment.
§“Community issues” include watershed management, watershed restoration, forest management and water issues, and community actions concerning water issues; “Drinking water issues” include drinking water and health and protecting (public) drinking water supplies; “well/septic issues” include private well and septic system management, private well protection, and septic system management; and “Personal issues” include irrigation management, animal (manure) waste management, nutrient and pesticide management, home and garden landscaping, and landscape buffers.



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Overall model statistics.

 
Model statistics Indoor actions logit Outdoor actions logit
LR χ2 (27 df) 122.86 211.46
p value <0.001 <0.001
Percent correctly predicted 63.2% 77.8%



View Full Table | Close Full ViewTable 3.

Parameter estimates of the logit models.

 
Independent variables Indoor logit Outdoor logit
Categories Coeff. P value Odds ratio Coeff. P value Odds ratio
Importance of… CleanLR 0.073 0.463 7.6 0.277** 0.009 31.9
CleanGW 0.092 0.351 9.6 0.218* 0.039 24.3
CleanDW 0.173 0.403 18.8 0.028 0.888 2.8
Importance of water for… Aquatic 0.014 0.836 1.4 –0.055 0.499 5.6
PwrCommInd –0.090 0.149 8.6 –0.189* 0.014 17.2
AgIrrigLvstk 0.072 0.310 7.5 –0.071 0.397 6.8
Household –0.028 0.518 2.8 0.117* 0.022 12.5
Recreation –0.073 0.136 7.0 –0.043 0.470 4.2
Importance of action ResdtWatCnsrv 0.023 0.672 2.3 0.223*** 0.000 25.0
Information sources Extension 0.350** 0.004 41.9 0.115 0.469 12.2
EnvtGps 0.436*** 0.000 54.6 0.480*** 0.000 61.5
Preferred learning Active 0.142 0.225 15.3 0.066 0.616 6.8
Passive –0.123 0.214 11.5 –0.225† 0.057 20.2
Action 0.292** 0.007 33.9 0.076 0.586 7.9
Like to learn about… Community 0.134 0.365 14.4 0.358* 0.049 43.1
Drinking –0.096 0.492 9.1 0.175 0.339 19.2
WellSeptic 0.186 0.139 20.4 –0.062 0.713 94.0
Personal 0.006 0.961 0.6 0.630*** 0.000 87.7
How well do these protect water quality Federal 0.009 0.884 0.9 –0.167* 0.034 15.4
State –0.136† 0.060 12.7 –0.126 0.160 11.8
CountyTown 0.147** 0.009 15.8 0.164* 0.017 17.8
Individuals –0.038 0.449 3.7 –0.014 0.819 1.4
Environmental attitude EnvProtScale 0.072** 0.004 7.4 0.020 0.481 2.0
Demographics CityLimits –0.023 0.809 2.3 –0.089 0.435 8.5
Time –0.174** 0.002 16.0 –0.023 0.734 2.3
Gender (female) –0.025 0.802 2.4 –0.352** 0.002 297.0
Education –0.015 0.731 1.4 0.024 0.638 2.4
Constant –1.889† 0.054 84.9 −1.182 0.213 69.3
*Significant at the 0.05 level.
**Significant at the 0.01 level.
***Significant at the 0.001 level.
Significant at the 0.1 level.



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Estimated effects of independent variables on conservation.

 
Category Independent variable Indoor logit effect Outdoor logit effect
Importance of… CleanLR ns‡ +**
CleanGW ns +*
Importance of water for… Aquatic ns ns
PwrCommInd ns –*
Household ns +*
Importance of action ResdtWatCnsrv ns +***
Information sources Extension +** ns
EnvtGps +*** +***
Preferred learning Passive ns –†
Action +** ns
Like to learn about… Community ns +*
Personal ns +***
How well do these protect water quality Federal ns –*
State –† ns
CountyTown +** +*
Environmental attitude EnvProtScale +** ns
Demographics Time –** ns
Gender (female) ns –**
Constant –† ns
*Significant at the 0.05 level.
**Significant at the 0.01 level.
***Significant at the 0.001 level.
Significant at the 0.1 level.
ns, not significant.