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Eating and aging: trends in dietary intake among older Americans from 1977-2010.

ABSTRACT: We examined trends from 1977-2010 in calorie, macronutrient, and food group intake among US adults 55 and older.Cross-sectional time series.A nationally representative sample of the US non-institutionalized population.Older Americans aged ?55 years (n=18,603) from four surveys of dietary intake in 1977-1978, 1989-1991, 1994-1996, and 2005-2010.Dietary intake was assessed using one 24-hour recall. Multivariable linear regression models were used to determine adjusted per capita mean energy and macronutrient intake for each survey year. Interactions were used to examine differences by race/ethnicity, gender, and generation. The top five food group contributors to total calorie intake were identified for each year.Mean total calorie intake increased significantly among older Americans from 1977-2010. Increases in carbohydrate intake (43% to 49% of total calories) were coupled with decreases in total fat intake (from 40% to 34%) while saturated fat (11%) remained constant. Corresponding shifts in food group intake were observed, as red meat intake greatly declined while bread and grain desserts became dominant calorie sources. Calorie intake was significantly higher for whites compared to blacks from 1994-2010. Cohort analysis indicated a shift from decreasing caloric intake with age to relatively stable calorie intake despite increasing age in more recent cohorts.Increases in total calorie intake from 1977-2010, coupled with the finding that more recent generations did not show the expected age-related decrease in caloric consumption, raise concerns about obesity risk among older Americans. Additionally, despite declines across time in total fat intake, saturated fat intake continues to exceed recommendations, and shifts toward increased consumption of grain-based desserts suggest that high discretionary calorie intake by older Americans might make it difficult to meet nutrient requirements while staying within energy needs.

SUBMITTER: Johnston R

PROVIDER: S-EPMC4007308 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Eating and aging: trends in dietary intake among older Americans from 1977-2010.

Johnston R R Poti J M JM Popkin B M BM

The journal of nutrition, health & aging 20140301 3

<h4>Objective</h4>We examined trends from 1977-2010 in calorie, macronutrient, and food group intake among US adults 55 and older.<h4>Design</h4>Cross-sectional time series.<h4>Setting</h4>A nationally representative sample of the US non-institutionalized population.<h4>Participants</h4>Older Americans aged ≥55 years (n=18,603) from four surveys of dietary intake in 1977-1978, 1989-1991, 1994-1996, and 2005-2010.<h4>Measurements</h4>Dietary intake was assessed using one 24-hour recall. Multivari ...[more]

PMID: 24626749

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Project description:Background: The epidemiological evidence for a relation between dietary polyphenol intake and depression is limited. Therefore, the aim of this study was to assess the association between habitual dietary intake of total polyphenols, their classes, subclasses and individual compounds and depressive symptoms among the participants of the Mediterranean healthy Eating, Lifestyle and Aging (MEAL) study. Methods: Demographic and dietary characteristics of 1572 adults living in southern Italy were analyzed. Food frequency questionnaires and Phenol-Explorer were used to calculate habitual dietary intakes of polyphenols. The Center for Epidemiologic Studies Depression Scale (CES-D-10) was used as screening tool for depressive symptoms. Multivariate logistic regression analyses were used to test associations and were expressed as odds ratio (OR) and 95% confidence intervals (CI). Results: A total of 509 individuals reported having depressive symptoms. Based on multivariate logistic regression analyses, total polyphenol intake was not associated with depressive symptoms. After adjustment for potential confounding factors, dietary intake of phenolic acid (OR = 0.64, 95% CI: 0.44, 0.93), flavanones (OR = 0.54, 95% CI: 0.32, 0.91), and anthocyanins (OR = 0.61, 95% CI: 0.42, 0.89) showed significant inverse association with depressive symptoms, when comparing the highest with the lowest quartile. Moreover, flavanones and anthocyanins, were associated with depressive symptoms in a dose-response manner. Among individual compounds, inverse association was observed for quercetin (OR = 0.53, 95% CI: 0.32, 0.86) and naringenin (OR = 0.51, 95% CI: 0.30, 0.85), for the highest versus lowest quartile of intake. When taking into consideration the major sources of the polyphenols, only citrus fruits and wine consumption was inversely associated with depressive symptoms (Q4 vs. Q1: OR= 0.51, 95% CI: 0.35, 0.75; Q4 vs. Q1: OR = 0.53, 95% CI: 0.38, 0.74, respectively). Conclusions: Higher dietary intake of flavonoid may be inversely associated with depressive symptoms. Further studies are needed to definitively confirm these observed associations.

Project description:BackgroundOmega-6 and omega-3 fatty acids (FAs) and their ratio have been shown to affect cognitive function in children and older adults. With these analyses, we aimed to describe omega-6 and omega-3 FA intake among children and older adults in light of FA intake recommendations and with consideration of overall diet.MethodsData were merged from two cross-sectional studies with 219 children 7 to 12 years old and one longitudinal study with 133 adults 65 to 79 years old. Demographic data, anthropometric data, and Healthy Eating Index scores were used to study relations among the omega-6 to omega-3 FA ratio and age, education, body mass index, and diet quality. FA intake, demographic, and anthropometric data were examined using partial correlations, t-tests, and analysis of variance.ResultsMost children and adults consumed at least the recommended amount of alpha-linolenic acid (LNA; omega-3) for their age and gender without consuming high amounts of linoleic acid (LA; omega-6), but did not consume sufficient eicosapentaenoic acid (EPA; omega-) and docosahexaenoic acid (DHA; omega-3). The average omega-6 to omega-3 ratios in both groups were lower than previously reported. Eating lower ratios was associated with healthier diets and consuming adequate amounts of several other nutrients. No demographic or anthropometric variables were related to FA intake in children. Adults with a college degree had significantly lower ratios than those without a college degree.ConclusionsAmerican children and older adults are able to consume more balanced omega-6 to omega-3 ratios than has been indicated by commodity data. However, very few American children met even the lowest recommendations for EPA and DHA intake. Research is needed to clarify recommendations for the optimal ratio across development, which may aid in increasing EPA and DHA intake and improving health outcomes in the United States.Trial registrationClinicalTrials.gov NCT02199808 13 July 2014, NCT01823419 (retrospectively registered) 20 March 2013, and NCT01515098 18 January 2012.

Dataset Information

Eating and aging: trends in dietary intake among older Americans from 1977-2010.

Publications

Eating and aging: trends in dietary intake among older Americans from 1977-2010.

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