Table III.

Bivariate association of predictor variables with dependent variables

Independent Variable	Concern about pollution	Govt. should do more to control pollution
White vs. non-white	−.352 (p=.016)	−.714 (p<.021)
Male vs. female	−.123 (p=.441)	−.747 (p=.006)
Bothered by traffic sound 1 v. 4*	.0947 (p=<.0001)	.0975 (p<.0001)
Years of Education	−.058 (p=.00090	0.022 (p=.57)
Current smoker	−.339 (P=.124)	−0.198 (p=.56)
Minutes/wk moderate physical activity 5 vs. 1*	.1937 (P=.04)	−1.06 (p=.001)
Perceived stress scale	0.05 (P=.056)	0.048 (p=.28)
Factor score for first factor, grid/group (“conservatism”)	−0.148 (p=.056)	−.374 (p=.002)***
Convenience sample v. random	0.486 (p=.004)	0.578 (p=.067)
Age	−.003 (p=.7)	−006 (p=.586)
Proximity to highway (<100m v. background)	.902 (p<.0001)	0.74 (p=.034)

^*Ranges from 0 to 1,000; recoded into hourly categories to make the coefficient more interpretable. The contrast shown is > 4 hours vs. 0.

Note: Scores have been reversed so that higher scores represent greater concern