Is the Altman Rule a proxy for glycemic load?

The evidence supports patient use of this simple equation to evaluate the nutrition labels of packaged carbohydrate foods in the grocery aisle in order to make healthier decisions.

"It's Gonna Be Okay"-A Qualitative Exploration of the COVID-19 Pandemic's Effects on African American Participants During a Dietary Intervention Study.

BACKGROUND: African American adults are at increased risk for chronic diseases. Limited research exists regarding how the COVID-19 pandemic affected African American adults in behavioral interventions. OBJECTIVE: This study assessed how the early months of the COVID-19 pandemic, before vaccine availability and widespread testing, affected stress, nutrition, and exercise behaviors of African American adults participating in a dietary intervention study. DESIGN: This was a qualitative interview study conducted with participants from both diet groups as part of the ongoing Nutritious Eating with Soul (NEW Soul) study. NEW Soul is a 2-year, randomized dietary intervention study with participants randomized to follow a vegan (intervention) or low-fat omnivorous diet (control), with both diets focused on soul food. PARTICIPANTS/SETTING: Participants (n = 20) came from 2 cohorts of the larger intervention study in South Carolina and were purposefully recruited based on high and low attendance at intervention sessions. Participants in the first cohort were near the end of the intervention, and participants in the second cohort were near the mid-point. The interviews were conducted from June to July 2020. MAIN OUTCOME MEASURES: Outcomes included participants' experiences related to stress, nutrition, and exercise behaviors during the early months of the COVID-19 pandemic. ANALYSIS: Interviews were recorded and transcribed verbatim. Interview transcripts were coded by two coders using NVivo software. Interviews were coded through content analysis using a constant comparative method. RESULTS: Participants discussed the following 3 themes in relation to health behaviors: increased stress, change in routines, and advice to follow health goals. CONCLUSIONS: Findings provide perspectives for designing interventions for African American adults establishing new routines to overcome setbacks and changes in routines created by the COVID-19 pandemic.

Association Between Gastrointestinal Symptoms and Depression in a Representative Sample of Adults in the United States: Findings From National Health and Nutrition Examination Survey (2005-2016).

BACKGROUND: The microbiome's role in the etiology of depression has been a topic of many recent investigations. Findings suggest that dysbiosis, which describes a general disturbance in the gut microbiome, underlies negative gastrointestinal symptoms and is implicated in depression. We studied associations between gastrointestinal symptoms and depressive symptoms at a population level using cross-sectional data from the National Health and Nutrition Examination Survey (2005-2016, n = 36,287). We hypothesized that the odds of depressive symptoms would be significantly higher in those showing signs of gastrointestinal distress. METHODS: We analyzed 31,191 adults participating in the National Health and Nutrition Examination Survey from 2005-2016. Outcomes included presence of mucus or liquid in bowel leakage and stomach illness in the past month, diarrhea in the past year, and number of weekly bowel movements. The survey (and thus, our analyses) does not include microbiome samples, only self-reported gastrointestinal symptoms. Depressive symptoms were measured using the Patient Health Questionnaire. Moderate, moderately severe, and severe scores were coded as a positive outcome. RESULTS: Compared to those without depressive symptoms, those with moderate-to-severe depressive symptoms had elevated odds of bowel mucus (odds ratio = 2.78; 95% confidence interval = 1.82-4.24), bowel liquid (odds ratio = 2.16; 95% confidence interval = 1.63-2.86), stomach illness (odds ratio = 1.82; 95% confidence interval = 1.31-2.53), diarrhea (sometimes vs. never odds ratio = 1.72; 95% confidence interval = 1.30-2.29), and constipation (sometimes vs. never odds ratio = 2.76; 95% confidence interval = 2.11-3.62). Overall, those with gastrointestinal symptoms were significantly more likely to have depressive symptoms. CONCLUSIONS: While the intricacies of the brain-gut axis are being investigated at the molecular level, these population data provide further evidence for the association between depressive symptoms and signs of dysbiosis, which may inform health care providers' patient interactions.

Measuring and Leveraging Motives and Values in Dietary Interventions.

Why measure and leverage food motives and values? Every failure and every success in dietary change can be connected to motivation. Therefore, this research question naturally arises: How can food motives and values be measured and leveraged to improve diet outcomes from the individual to populations? There are four ways that food motives and values (FMVs) can assist researchers and health professionals. First, FMVs can help to create a personalized approach to dietary change. Second, FMVs can inform content for dietary interventions. Third, these FMV measures can be used in data analysis to elucidate differences in adherence and outcomes among participants. Fourth, public health nutrition messages can be tailored using information on FMVs. Each of these uses has the potential to further the literature and inform future efforts to improve diet. A central aim of our study is to provide specific examples and recommendations on how to measure and leverage FMVs. To do so, we reviewed 12 measures included in the literature citing the Food Choice Questionnaire by Steptoe, Pollard, and Wardle, which was identified as the earliest, highly cited article appearing under the search terms "food motives" AND "food values" AND "eating behavior" AND "measure". Specific details on how articles were selected from the citing literature are described in the Methods section. We also expound on our reasoning for including the Three-Factor Eating Questionnaire, which made for 13 measures in total. Our main finding is that each measure has strengths and shortcomings to consider in using FMVs to inform nutritional recommendations at different levels.