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Psychosom Med. 2007 Nov;69(8):777-84. Epub 2007 Oct 17.

Socioeconomic status and psychological well-being predict cross-time change in glycosylated hemoglobin in older women without diabetes.

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1
Department of Psychology, University of Wisconsin-Madison, W. J. Brogden Hall, 1202 W. Johnson Street, Madison, WI 53706-1696, USA. tsenkova@wisc.edu

Abstract

OBJECTIVE:

To investigate whether socioeconomic status and psychological well-being (eudaimonic and hedonic aspects) predicted nondiabetic levels of glycosylated hemoglobin (HbA1c) over time, after adjusting for covariates and baseline level of HbA1c.

METHODS:

These questions were investigated with a longitudinal sample (n = 97; age = 61-91 years) of older women without diabetes. Socioeconomic status, well-being, and health behaviors were assessed using self-administered questionnaires. Fasting blood samples for assays of HbA1c were obtained before 7 AM during the respondents' overnight stay at the General Clinical Research Center at the University of Wisconsin-Madison. All measurements were obtained at baseline and 2-year follow-up.

RESULTS:

Regression analyses showed that higher income and positive affect predicted lower levels of HbA1c, after controlling for baseline HbA1c and health factors. Additionally, three well-being measures (purpose in life, personal growth, and positive affect) moderated the relationship between income and HbA1c.

CONCLUSION:

These results suggest that psychological well-being and socioeconomic status interact in important ways in influencing nondiabetic glucose metabolism.

PMID:
17942843
DOI:
10.1097/PSY.0b013e318157466f
[Indexed for MEDLINE]
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