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In The Face of Uncertainty: Community Health, Environmental Hazards and Statistical Significance

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Abstract:

Studying relationships between health and environmental toxins usually involves statistical tests and a reliance on 95 percent- significance. But because of inherent scientific uncertainties, small sample sizes, unknown exposure levels, and scientific value judgments, some researchers working with contaminated communities propose the adoption of health-protective significance levels, (e.g., 75 percent-). To explore alternative significance levels, health data collected in a poor Latino neighborhood surrounded by industrial facilities in Phoenix, AZ is utilized to analyze three sets of correlations. First, the negative correlation between health problems and distance from a specific point source polluter was significant at 93 percent- for children. Interestingly, the relationship was less significant and positive for adults. Second, while a respondent's self-reported health status was correlated negatively at 87 percent- with length of residence in the neighborhood, a parallel relationship was not found for breathing problems. Third, the relationship between presence of cockroaches in the home and breathing problems was significant at 95 percent- for adults and children. Overall, this analysis illustrates the complexity and confusion surrounding community-level environmental health research. Contradictory explanations can be provided for both the traditionally "significant" and "insignificant" findings. So while alternative health-protective significance levels may be helpful to policy makers and contaminated communities, they become more powerful when paired with other forms of inquiry. Researchers should report data frequencies, use multi-method approaches, involve community residents, balance research goals with scientific rigor, and encourage communities to focus on political, rather than purely scientific, solutions to their environmental concerns.

Most Common Document Word Stems:

health (128), research (70), signific (63), communiti (54), problem (53), environment (49), neighborhood (37), level (35), breath (33), resid (33), correl (30), one (29), truck (29), children (28), pollut (27), homedal (27), statist (27), stop (27), scienc (24), relationship (24), studi (23),

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environmental hazards, community health, statistical significance
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Name: American Sociological Association
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http://www.asanet.org


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MLA Citation:

Grineski, Sara., Kronenfeld, Jennie. and Bolin, Bob. "In The Face of Uncertainty: Community Health, Environmental Hazards and Statistical Significance" Paper presented at the annual meeting of the American Sociological Association, Atlanta Hilton Hotel, Atlanta, GA, Aug 16, 2003 <Not Available>. 2008-10-23 <http://www.allacademic.com/meta/p107866_index.html>

APA Citation:

Grineski, S. , Kronenfeld, J. J. and Bolin, B. , 2003-08-16 "In The Face of Uncertainty: Community Health, Environmental Hazards and Statistical Significance" Paper presented at the annual meeting of the American Sociological Association, Atlanta Hilton Hotel, Atlanta, GA Online <.PDF>. 2008-10-23 from http://www.allacademic.com/meta/p107866_index.html

Publication Type: Conference Paper/Unpublished Manuscript
Review Method: Peer Reviewed
Abstract: Studying relationships between health and environmental toxins usually involves statistical tests and a reliance on 95 percent- significance. But because of inherent scientific uncertainties, small sample sizes, unknown exposure levels, and scientific value judgments, some researchers working with contaminated communities propose the adoption of health-protective significance levels, (e.g., 75 percent-). To explore alternative significance levels, health data collected in a poor Latino neighborhood surrounded by industrial facilities in Phoenix, AZ is utilized to analyze three sets of correlations. First, the negative correlation between health problems and distance from a specific point source polluter was significant at 93 percent- for children. Interestingly, the relationship was less significant and positive for adults. Second, while a respondent's self-reported health status was correlated negatively at 87 percent- with length of residence in the neighborhood, a parallel relationship was not found for breathing problems. Third, the relationship between presence of cockroaches in the home and breathing problems was significant at 95 percent- for adults and children. Overall, this analysis illustrates the complexity and confusion surrounding community-level environmental health research. Contradictory explanations can be provided for both the traditionally "significant" and "insignificant" findings. So while alternative health-protective significance levels may be helpful to policy makers and contaminated communities, they become more powerful when paired with other forms of inquiry. Researchers should report data frequencies, use multi-method approaches, involve community residents, balance research goals with scientific rigor, and encourage communities to focus on political, rather than purely scientific, solutions to their environmental concerns.

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Document Type: .PDF
Page count: 20
Word count: 6667
Text sample:
I. In the face of uncertainty: Community Health Environmental Hazards and Statistical Significance The Center for Disease Control (CDC) conducted a study of leukemia rates among people living near Yellow Creek Kentucky. Yellow Creek flows through rural areas and had been polluted by untreated wastewater from a tanning company for over twenty years. The CDC study yielded statistically insignificant results yet leukemia rates were four times higher than expected. Nonetheless the CDC still recommended a new water source for
1998. Community-based Epidemiology: Community Involvement in Defining Social Risk. Journal of Health and Social Policy. 9(4):51-65. Tak-sun Ignatius Yu Tze Wai Wong Xiaom Rong Wang Hong Song Siu Lan Wong & Jin Ling Tang. 2001. Adverse Effects of Low-Level Air Pollution on the Respiratory Health of Schoolchildren in Hong Kong Journal of Occupational and Environmental Medicine 43 310-316. Teague WG. Bayer CW. 2001. Outdoor Air Pollution: Asthma and Other Concerns. Pediatric Clinics of North America 48(5):1167-1183. Tesh SN. 2000.


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