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09-11-2023

Moderation of associations between weight discrimination and diabetes status by psychosocial factors

Auteurs: Laura E. Finch, Louise C. Hawkley, L. Philip Schumm, James Iveniuk, Martha K. McClintock, Elbert S. Huang

Gepubliceerd in: Journal of Behavioral Medicine | Uitgave 2/2024

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Abstract

Weight discrimination has adverse effects on health that include increasing the risk factors for developing type 2 diabetes. Preliminary evidence suggests a positive association between weight discrimination and diagnosed diabetes; however, it is unknown whether psychosocial resources may buffer this association. In logistic regressions stratified by gender, we examined links between weight discrimination and diabetes among a nationally representative sample of U.S. adults (the National Social Life, Health, and Aging Project; N = 2,794 adults age 50 and older in 2015-16). We also tested the extent to which trait-resilience and social support from a spouse/partner, family, and friends buffered any observed association. We adjusted for known predictors of diabetes (age, race/ethnicity, Body Mass Index) and conducted sensitivity analyses restricted to men and women with obesity. Net of covariates, in the overall sample, weight discrimination was associated with significantly greater odds of having ever had diabetes among women (OR = 2.00, 95% CI [1.15, 3.47]), but not men. Among women with obesity, weight discrimination was only significantly associated with greater odds of diabetes for those with low resilience (OR = 1.84, 95% CI [1.01, 3.35]). Among men overall, weight discrimination was associated with lower odds of diabetes for those with high family support (OR = 0.03, 95% CI [0.003, 0.25]) as well as those with high friend support (OR = 0.34, 95% CI [0.13, 0.91]); similar effects were observed in men with obesity. These novel findings evince a role for psychosocial resources in buffering associations between weight discrimination and diabetes.
Voetnoten
1
Hba1c was also measured in 2015-16; however, assay results are not yet available and are therefore not considered here.
 
2
Of the 1,210 respondents who reported taking anti-diabetic agent medications, only ~ 5.8% (n = 70) did not show at least one other indicator of diabetes (i.e., a diagnosis and/or an Hba1c value of 6.5% or higher). In hypothesis testing, the pattern of results remained the same regardless of whether the analyses coded these respondents as having diabetes or not.
 
3
When following this categorization, there were two instances in which the statistical program was unable to estimate the models testing the simple effect of weight discrimination among respondents with high friend support due to collinearity. In these instances, to gain some insight into the association, we repeated these models by instead defining high friend support as opening up to and relying on friends “some of the time” or “often”, and low support as doing so “hardly ever or rarely” or “never,” which resulted in complete model estimation.
 
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Metagegevens
Titel
Moderation of associations between weight discrimination and diabetes status by psychosocial factors
Auteurs
Laura E. Finch
Louise C. Hawkley
L. Philip Schumm
James Iveniuk
Martha K. McClintock
Elbert S. Huang
Publicatiedatum
09-11-2023
Uitgeverij
Springer US
Gepubliceerd in
Journal of Behavioral Medicine / Uitgave 2/2024
Print ISSN: 0160-7715
Elektronisch ISSN: 1573-3521
DOI
https://doi.org/10.1007/s10865-023-00454-2

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