2010
DOI: 10.1681/asn.2010020221
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Low Socioeconomic Status Associates with Higher Serum Phosphate Irrespective of Race

Abstract: Hyperphosphatemia, which associates with adverse outcomes in CKD, is more common among blacks than whites for unclear reasons. Low socioeconomic status may explain this association because poverty both disproportionately affects racial and ethnic minorities and promotes excess intake of relatively inexpensive processed and fast foods enriched with highly absorbable phosphorus additives. We performed a cross-sectional analysis of race, socioeconomic status, and serum phosphate among 2879 participants in the Chr… Show more

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Cited by 97 publications
(63 citation statements)
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“…17 Income might also affect outcomes of kidney disease, since the probability of anemia, phosphatemia, disability, depression, and cardiovascular disease was greater among those patients with low income. [18][19][20][21][22][23][24] Our study adds to this body of evidence by providing new data relating AKI (which itself is both a risk factor for and an outcome of CKD 25,26 ) to low income.…”
Section: Discussionmentioning
confidence: 83%
“…17 Income might also affect outcomes of kidney disease, since the probability of anemia, phosphatemia, disability, depression, and cardiovascular disease was greater among those patients with low income. [18][19][20][21][22][23][24] Our study adds to this body of evidence by providing new data relating AKI (which itself is both a risk factor for and an outcome of CKD 25,26 ) to low income.…”
Section: Discussionmentioning
confidence: 83%
“…An independent association was found between race and serum phosphate that was modified by income level. In the highest income stratum, blacks had significantly higher serum phosphate levels than whites, whereas in the lowest stratum (,$20,000/yr), there was no significant difference in serum phosphate levels by race (6). These findings underscore how socioeconomic disparities can influence metabolic parameters.…”
Section: Racial and Ethnic Disparities In The Severity And Managementmentioning
confidence: 74%
“…It is also possible that differences in the dietary habits of the two populations may have played a role. The participants of the CRIC Study included a much larger proportion of individuals with low socioeconomic status than the participants of this study (28), all of whom were health professionals. Because less affluent individuals generally consume higher quantities of foods containing inorganic phosphorus additives incompletely captured by standard dietary surveys (29), this may have increased imprecision in the ascertainment of phosphorus intake in CRIC participants, further limiting the ability to detect an association of dietary phosphorus with FGF23 in the CRIC Study.…”
Section: Discussionmentioning
confidence: 99%