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J Clin Nurs. 2013 Aug;22(15-16):2172-82. doi: 10.1111/jocn.12280.

Factors associated with health-related quality of life among overweight or obese adults.

Author information

1
Department of Nursing Systems, University of Texas Health Science Center at Houston School of Nursing, Houston, TX 77030, USA. Jing.Wang@uth.tmc.edu

Abstract

AIMS AND OBJECTIVES:

To identify factors associated with health-related quality of life among overweight or obese adults.

BACKGROUND:

The obesity epidemic presents a global challenge. Obesity is associated with lower health-related quality of life; however, no study has comprehensively examined correlates of health-related quality of life in this population.

DESIGN:

A cross-sectional design.

METHODS:

The physical component score, mental component score and eight domain scores of the Short Form-36 v2 were used to assess health-related quality of life. We identified 23 possible correlates of health-related quality of life, including age, body mass index, health and weight histories, perceived stress, cholesterol-lowering diet self-efficacy, problem-solving, binge eating, dietary intake and physical activity. Correlational analyses were used to examine the bivariate associations between correlates and health-related quality of life variables. All possible subsets regression was used to develop predictive models of health-related quality of life.

RESULTS:

The sample (n = 210) was predominantly White (84·8%), female (78·1%) and middle-aged (average age = 46·80 years). Age, body mass index, education, having children at home, and being hypertensive were identified as the best predictors of physical component score, explaining about 9% of the variance. Age, marital status, having hyperlipidaemia, perceived stress, problem-solving, self-efficacy, binge eating and barriers to healthy eating predicted mental component score, explaining approximately 48% of the variance. Physical functioning and role physical domains of health-related quality of life had similar sets of predictors, with 15% and 13% of the variance explained, respectively, while similar predictors were identified for bodily pain (6%), general health (26%), vitality (40%), social functioning (32%), role emotional (42%) and mental health (46%) domains.

CONCLUSIONS:

Psychosocial factors were associated with the mental-related quality of life. Further exploration of factors related to physical-related quality of life is warranted in this population.

RELEVANCE TO CLINICAL PRACTICE:

When working with overweight/obese adults who are trying to lose weight, nurses need to consider socio-demographic and psychosocial factors in the development of a treatment plan that will improve health-related quality of life in this population.

KEYWORDS:

Short Form-36 Health Survey; barriers; health-related quality of life; obesity; self-efficacy; stress

PMID:
23829404
PMCID:
PMC4041707
DOI:
10.1111/jocn.12280
[Indexed for MEDLINE]
Free PMC Article

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