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Chun: The Effect of Obesity-Related Quality of Life on selecting a Goal for Weight Management in Overweight and Obese Patients
Research Article

Korean Journal of Community Nutrition 2015; 20(4): 281-290.

Published online: 30 August 2015

DOI: https://doi.org/10.5720/kjcn.2015.20.4.281

The Effect of Obesity-Related Quality of Life on selecting a Goal for Weight Management in Overweight and Obese Patients

Min Young Chun

Department of Global Medical Science, Sungshin Women's University, Seoul, Korea.

Corresponding author: Min Young Chun. Department of Global Medical Science, Sungshin Women's University, 55 Dobong-ro, 76ga-gil, Gangbuk-gu, Seoul 01133, Korea. Tel: (02) 920-7232, Fax: (02) 920-2027, sunrise91@sungshin.ac.kr

Received 3 August 2015       Revised 23 August 2015       Accepted 29 August 2015

Copyright © 2015 The Korean Society of Community Nutrition

(open-access):

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives

Obesity is known to influence physical and mental health as well as the general quality of life. The aim of this study was to evaluate the effect of obesity related quality of life on selecting a goal for weight management in overweight and obese female patients.

Methods

A total of 140 overweight or obese (Body mass index 23 kg/m2) female outpatients aged ≥ 20 and ≤ 60 years from one clinic participated in this study. Patients' desired weight (goal weight, ideal weight, satisfactory weight, acceptable weight and disappointed weight) and obesity related quality of life measures were evaluated. Univariate and multivariate analysis were performed to evaluate the effect of obesity related quality of life on goal weight reduction (%) and goal body mass index (BMI).

Results

Mean BMI of overweight group, mild obesity group and severe obesity group were 62.0 ± 4.8 kg, 68.5 ± 5.5 kg and 83.5 ± 9.6 kg, respectively. Mean weight loss expectations of the three groups were 16.4 ± 4.7%, 19.5 ± 5.3% and 30.2 ± 6.8%, respectively and goal weight was significantly different among the three groups. Severe obesity group had a lower total quality of life score including physical, work-related, daily living domains than overweight or mild obesity groups. In univariate and multivariate regression analysis, psychosocial domain of quality of life had an effect on goal weight reduction (%) and goal BMI.

Conclusions

The results of this study demonstrated that the obese patients with poorer quality of life and psychosocial health tended to choose higher goal weight reduction and lower goal BMI.

Keywords: obesity, obesity related quality of life, goal weight, female

Figures and Tables

Table 1

General characteristics of the study subjects

kjcn-20-281-i001

1) Overweight: 23.0 ≤ BMI < 25.0, 2) Obesity I: 25.0 ≤ BMI < 30.0, 3) Obesity II: 30.0 ≤ BMI

4) Mean±SD, 5) N (%)

abc: Values with different alphabets within each row are significantly different at P=0.05 by Duncan's multiple range test.

**: P < 0.01, ***: P < 0.001

Table 2

Total and subscales of KOQOL1) scores by initial body mass index (BMI)

kjcn-20-281-i002

1) KOQOL: Korean version of obesity-related quality of life : higher score means poorer quality of life

2) Overweight: 23.0 ≤ BMI < 25.0, 3) Obesity I: 25.0 ≤ BMI < 30.0, 4) Obesity II; 30.0 ≤ BMI

5) Mean±SD

ab: Values with different alphabets within each row are significantly different at P=0.05 by Duncan's multiple range test.

*: P < 0.05, **: P < 0.01, ***: P < 0.001

Table 3

Desired body weight by initial body mass index (BMI)

kjcn-20-281-i003

1) Overweight: 23.0 ≤ BMI < 25.0, 2) Obesity I: 25.0 ≤ BMI < 30.0, 3) Obesity II; 30.0 ≤ BMI, 4) Mean±SD

abc: Values with different alphabets with in each row are significantly different at P=0.05 by Duncan's multiple range test.

*: P < 0.05, **: P < 0.01, ***: P < 0.001

Table 4

Univariate regression analysis with KOQOL1) scores for goal weight reduction and goal BMI2)

kjcn-20-281-i004

1) KOQOL: Korean version of obesity-related quality of life : higher score means poorer quality of life

2) BMI: Body mass index, significant difference using Univariate regression analysis

3) β: standardized regression coefficients

**: P < 0.01

Table 5

Multivariate linear regression analysis with KOQOL1) scores for goal weight reduction(%)

kjcn-20-281-i005

1) KOQOL: Korean version of obesity-related quality of life : higher score means poorer quality of life, Significant difference using Multivariate linear regression analysis adjusted by initial body weight, height, age, marital status, economic status, education.

2) B: unstandardized regression coefficients, 3) SE: standard error, 4) β: standardized regression coefficients, 5) t: the value of the t test

**: P < 0.01

Table 6

Multivariate linear regression analysis with KOQOL1) scores for goal BMI2)

kjcn-20-281-i006

1) KOQOL: Korean version of obesity-related quality of life : higher score means poorer quality of life,

2) BMI: Body mass index, significant difference using Multivariate linear regression analysis adjusted by initial body weight, height, age, marital status, economic status, education.

3) B: unstandardized regression coefficients, 4) SE: standard error, 5) β: standardized regression coefficients, 6) t: the value of the t test

*: P < 0.05

Appendix

Supplements

Supplement 1

Questionnaires of Korean Obesity-related Quality of Life (KOQOL) scale. These questions ask about how you have been feeling in the last month. Answer every question with a tick() to indicate your response
kjcn-20-281-a001

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