{"title":"A Day of Eating in America","source":{"name":"CDC NHANES 2021–2023 dietary interview","url":"https://wwwn.cdc.gov/nchs/nhanes/search/DataPage.aspx?Component=Dietary&Cycle=2021-2023","documentation":"https://wwwn.cdc.gov/Nchs/Data/Nhanes/Public/2021/DataFiles/DR1IFF_L.htm"},"method":{"population":"U.S. residents age 2+ with a reliable first-day dietary recall","measure":"Weighted mean calories reported in the preceding 24 hours","caveat":"A reported 24-hour recall describes a population pattern, not an individual’s usual intake or energy needs.","rawFiles":{"DR1IFF_L.xpt":"97177395e5fd1322ec8cb72d271a3f8d46e6a83b1105f89f6ef6f39f156037b3","DR1TOT_L.xpt":"73a3097aab64000f9c1d138367363ca605968b691e349981132bd6032ca6c9ef","DRXFCD_L.xpt":"1101ce9dd5b58f138a4f44c14de39925664dda401588c130f5281ad289dfa34c","DEMO_L.xpt":"ca4374a158b493b8b0163e1388da21d57a18d1b9cecff2aa4e2fa2bec494fe23"}},"sample":{"respondents":6563,"weightedPopulation":319481776,"dailyKcal":1999,"reconciledKcal":1999},"occasionGroups":[{"label":"Meal","kcal":1535},{"label":"Snack","kcal":377},{"label":"Drink","kcal":57},{"label":"Other","kcal":30}],"dailyDistribution":{"medianKcal":1858,"bins":[{"label":"0–499","lower":0,"population":4789785,"respondents":97,"share":1.5},{"label":"500–999","lower":500,"population":25140138,"respondents":598,"share":7.9},{"label":"1,000–1,499","lower":1000,"population":67595927,"respondents":1428,"share":21.2},{"label":"1,500–1,999","lower":1500,"population":86285219,"respondents":1824,"share":27.0},{"label":"2,000–2,499","lower":2000,"population":62065018,"respondents":1225,"share":19.4},{"label":"2,500–2,999","lower":2500,"population":35070551,"respondents":707,"share":11.0},{"label":"3,000–3,499","lower":3000,"population":19808744,"respondents":357,"share":6.2},{"label":"3,500–3,999","lower":3500,"population":9326801,"respondents":165,"share":2.9},{"label":"4,000–4,499","lower":4000,"population":3509147,"respondents":67,"share":1.1},{"label":"4,500+","lower":4500,"population":5890447,"respondents":95,"share":1.8}]},"threeMeals":{"definition":"Reported a breakfast, lunch, and dinner/supper in one 24-hour recall","historical":{"period":"1971–74","men":73,"women":75,"series":[{"period":"1971–74","men":73,"women":75},{"period":"1976–80","men":71,"women":72},{"period":"1988–94","men":52,"women":60},{"period":"1999–2002","men":53,"women":58},{"period":"2003–06","men":55,"women":61},{"period":"2007–10","men":59,"women":63}],"method":"Published, regression-adjusted estimates for adults aged 20–74; Table 2. Not directly comparable with our survey-weighted 2021–23 estimates.","source":"Kant & Graubard, Journal of the Academy of Nutrition and Dietetics (2015)","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC4276433/","table":"2","sourceDocumentSha256":"81ab85dffe2febbbcf045b5ec325fbe81179c079894d173c8b9a09398e591961"},"current":{"period":"2021–23","respondents":4223,"men":53,"women":60},"missingMeals":[{"meal":"Lunch","share":23.8,"respondents":985},{"meal":"Breakfast","share":17.9,"respondents":674},{"meal":"Dinner","share":9.8,"respondents":404}],"caveat":"Historical values are regression-adjusted; 2021–23 values use dietary survey weights without that adjustment. Both cover ages 20–74. Unlike the historical study, the recent snapshot does not exclude pregnant or breastfeeding participants or reliable zero-calorie days. Interview methods changed, so do not interpret the difference as a measured change in behavior. Brunch counts as lunch; almuerzo counts as breakfast following the study. 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