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1.  Dietary patterns are associated with dietary recommendations but have limited relationship to body mass index in the Communities Advancing the Studies of Tribal Nations Across the Lifespan (CoASTAL) cohort 
Public health nutrition  2012;15(10):1948-1958.
Objective
Traditional food systems in indigenous groups have historically had health promoting benefits. The objectives of this study were to determine if a traditional dietary pattern of Pacific Northwest Tribal Nations (PNwT) could be derived using reduced rank regression (RRR) and if the pattern would be associated with lower body mass index (BMI) and current Dietary Reference Intakes (DRI).
Design
The baseline data from the Communities Advancing the Studies of Tribal Nations Across the Lifespan (CoASTAL) cohort were used to derive dietary patterns for the total sample and those with plausibly reported energy intakes.
Setting
Pacific Northwest Coast of Washington State, United States.
Subjects
Adult PNwT members of the CoASTAL cohort with lab-measured weight and height and up to 4 days of dietary records (n=418).
Results
A traditional dietary pattern did not evolve from the analysis. Moderate consumption of a sweet drinks dietary pattern was associated with a lower BMI while higher consumption of a vegetarian based dietary pattern was associated with higher BMI. The highest consumers of the vegetarian based dietary pattern were almost 6 times more likely to meet the recommendations for dietary fiber.
Conclusions
Distinct dietary patterns were found. Further exploration is needed to confirm whether the lack of finding a traditional pattern is due to methodology or the loss of a traditional dietary pattern among this population. Longitudinal assessment of the CoASTAL cohort’s dietary patterns needs to continue.
doi:10.1017/S1368980012000122
PMCID: PMC3746549  PMID: 22348238
dietary patterns; reduced rank regression; Native American adults; BMI
2.  The Early Psychological Impacts of the Deepwater Horizon Oil Spill on Florida and Alabama Communities 
Environmental Health Perspectives  2011;119(6):838-843.
Background
Although public concern has focused on the environmental impact of the Deepwater Horizon oil spill, the public health impact on a broad range of coastal communities is minimally known.
Objective
We sought to determine the acute level of distress (depression, anxiety), mechanisms of adjustment (coping, resilience), and perceived risk in a community indirectly impacted by the oil spill and to identify the extent to which economic loss may explain these factors.
Methods
Using a community-based participatory model, we performed standardized assessments of psychological distress (mood, anxiety), coping, resilience, neurocognition, and perceived risk on residents of fishing communities who were indirectly impacted (n = 71, Franklin County, Florida) or directly exposed (n = 23, Baldwin County, Alabama) to coastal oil. We also compared findings for participants who reported income stability (n = 47) versus spill-related income loss (n = 47).
Results
We found no significant differences between community groups in terms of psychological distress, adjustment, neurocognition, or environmental worry. Residents of both communities displayed clinically significant depression and anxiety. Relative to those with stable incomes, participants with spill-related income loss had significantly worse scores on tension/anxiety, depression, fatigue, confusion, and total mood disturbance scales; had higher rates of depression; were less resilient; and were more likely to use behavioral disengagement as a coping strategy.
Conclusions
Current estimates of human health impacts associated with the oil spill may underestimate the psychological impact in Gulf Coast communities that did not experience direct exposure to oil. Income loss after the spill may have a greater psychological health impact than the presence of oil on the immediately adjacent shoreline.
doi:10.1289/ehp.1002915
PMCID: PMC3114820  PMID: 21330230
disasters; environmental epidemiology; occupational health; petroleum products; risk perception
3.  Evaluation of dietary assessment tools used to assess the diet of adults participating in the Communities Advancing the Studies of Tribal Nations Across the Lifespan (CoASTAL) cohort 
Background
Accurate assessment of dietary intake is essential for researchers and public health practitioners to make advancements in health. This is especially important in Native Americans who display disease prevalence rates that are dramatically higher than the general U.S. population.
Objective
The objective of this study was to evaluate three dietary assessment tools: 1) dietary records, 2) a food frequency questionnaire (FFQ), and 3) a shellfish assessment survey (SAS) among Native American adults from the Communities Advancing Studies of Tribal Nations Across the Lifespan (CoASTAL) cohort.
Design
CoASTAL was comprised of randomly selected individuals from three tribal registries of Pacific Northwest Tribal Nations. This cross-sectional study used data from the baseline of CoASTAL and was restricted to the non-pregnant adults (18+ yr) who completed the SAS (n=500), a FFQ (n=518), dietary records (n=444), weight measures (n=493), and height measures (n=496). Paired t-tests, Pearson correlation coefficients, and percent agreement were used to evaluate the dietary records and the FFQ with and without accounting for plausibility of reported energy intake (rEI). Sensitivity and specificity as well as Spearman correlation coefficients were used to evaluate the SAS and the FFQ compared to dietary records.
Results
Statistically significant correlations between the FFQ and dietary records for selected nutrients were not the same by gender. Accounting for plausibility of rEI for the dietary records and the FFQ improved the strength of the correlations for percent energy from protein, energy from carbohydrate, and calcium for both men and women. In addition, significant associations between rEI (dietary records and FFQ) and weight were more apparent when using only rEI considered plausible. The SAS was found to similarly assess shellfish consumption in comparison to the FFQ.
Conclusion
These results support the benefit of multiple measures of diet, including regional and culturally specific surveys, especially among Native Americans. Accounting for plausibility of rEI may ensure more accurate estimations of dietary intakes.
doi:10.1016/j.jada.2009.10.012
PMCID: PMC3090645  PMID: 20102829
Native Americans; dietary assessment; convergent validation; shellfish

Results 1-3 (3)