人口学
民族
全国健康与营养检查调查
亚油酸
人口
贫穷
多不饱和脂肪酸
医学
环境卫生
脂肪酸
生物
经济
人类学
经济增长
生物化学
社会学
作者
Susan K. Raatz,Zach Conrad,Lisa Jahns
标识
DOI:10.1016/j.plefa.2018.04.006
摘要
Linoleic acid (LA), the primary polyunsaturated fatty acid (PUFA) in the US diet, is an essential fatty acid. LA is available from a wide variety of foods, although it is primarily sourced from plant seed oils. Individual-level data on demography and food and nutrient intake were acquired from the NHANES waves 1999–2000, 2001–2002, 2003–2004, 2005–2006, 2007–2008, 2009–2010, 2011–2012, and 2013–2014. Mean daily intake of (LA) was estimated for each survey wave overall, and by age, gender, educational attainment, race/ethnicity, and income-to-poverty ratio. Linear temporal (1999–2014) trends in LA intake were estimated using univariate linear regression tests, with P < 0.05 and a two-tailed distribution. We found that US adults meet intake recommendation for LA and observed a trend of increasing intake of LA in the US overall and by sub-categories of age, sex, education, race/ethnicity, and income-to-poverty ratio.
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