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The Quality of Life in COPD Patients according to Gender: Based on the 4th Korea National Health and Nutrition Examination Survey

Article information

Res Community Public Health Nurs. 2015;26(2):61-68
Publication date (electronic) : 2015 June 30
doi : https://doi.org/10.12799/jkachn.2015.26.2.61
Kyung Sook Kang1, Soon Ok Na2, Young Beob Yu3, Jun Ho Shin4
1Department of Nursing Science, Nambu University, Gwangju, Korea.
2Nursing Service, Chunnam National University Hopsital, Gwangju, Korea.
3Department of Oriental Pharmaceutical Development, Nambu University, Gwangju, Korea.
4Department of Preventive Medicine, Chunnam National University Medical School, Gwangju, Korea.
Corresponding author: Kang, Kyung Sook. Department of Nursing Science, Nambu University, 864-1 Wolgye-dong, Gwangsan-gu, Gwangju 506-824, Korea. Tel: +82-62-970-0151, Fax: +82-62-970-0261, rkdrudtnr2@nate.com
Received 2014 October 15; Revised 2015 January 20; Accepted 2015 February 10.

Abstract

Purpose

In this study, we performed a comparative analysis on the quality of life (QoL) in male and female chronic obstructive pulmonary disease (COPD) patients based on the 4th Korea National Health and Nutrition Examination Survey (KNHANES IV) from 2007 to 2010.

Methods

We extracted the socio-demographic and clinical data of 1,218 COPD patients including 874 men and 344 women from the KNHANES IV database. Descriptive statistics and correlation test were used to analyze the data. In order to find factors associated with QoL of COPD patients, we conducted multivariate linear regression analysis.

Results

Infrequency analysis, the educational level and income were lower in the female COPD patients than in the male ones. The QoL indexes including mobility, self-care, activities of daily living, discomfort, anxiety, and depression were significantly worse in the female of COPD patients than in the male ones (p<.01).

Conclusion

Our study indicates that QoL of female COPD patients should be improved on the educational, economic, and healthcare aspects.

Keywords: Chronic obstructive pulmonary disease; Quality of life; Gender

References

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Article information Continued

© 2015 Korean Academy of Community Health Nursing

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.

Table 1

Sociodemographic and Clinical Characteristics of Study Population (N=1,218)

Characteristics Categories Men (n=874) Women (n=344) p
n (%) or M±SD n (%) or M±SD
Gender 874 (71.6) 344 (28.4)
Age (year) 64.3±9.52 65.3±10.53 .17
Educational level ≤Middle school 552 (63.2) 294 (85.5) <.01
≥High school 322 (36.8) 50 (14.5)
Spouse With 782 (89.5) 193 (56.1) <.01
Without 92 (10.5) 151 (43.9)
Income status Highest 334 (38.2) 98 (28.5) <.01
Lowest 540 (61.8) 246 (71.5)
Area of residence Urban 550 (62.9) 210 (61.0) .54
Rural 324 (37.1) 134 (39.0)
Height 166.6±6.21 152.4±6.62 <.01
Weight 64.9±9.47 54.8±9.02 <.01
BMI 23.3±2.72 23.6±3.31 .29
Smoking None-smoking (5 pack or less) 102 (11.7) 274 (79.7) <.01
Smoking (5 pack or more) 772 (88.3) 70 (20.3)
FVC (%) 88.9±14.37 90.5±16.01 .09
FEV1P (%) 76.8±16.61 76.7±16.64 .94
EQ-5D index 0.9±0.13 0.8±0.17 <.01

Table 2

Correlation of EQ-5D Index and Clinical Characteristics in Men and Women with COPD

Variables Categories EQ-5D index BMI FEV1 P Age Height Weight
Men EQ-5D index 1 .134* .123** -.247** .156** .179*
BMI 1 .088** -.178** .148** .861**
FEV1 P 1 .049 -.026 .054
Age 1 .390** -.340**
Height 1 .627**
Weight 1
Women EQ-5D index 1 -.079 -.076 -.371** .205** .040
BMI 1 .026 .014 .002 .848**
FEV1 P 1 .215** -.087 -.018
Age 1 -.470** -.231**
Height 1 .527**
Weight 1

*p<.05, **p<.01.

Table 3

The Differences of EQ-5D Subgroups

EQ-5D Index Men Women t p
Mobility 1.2±0.44 1.5±0.55 -8.67 <.001
Self care 1.1±0.24 1.1±0.33 -4.08 <.001
Usual activities 1.2±0.43 1.4±0.54 -6.01 <.001
Discomfort 1.3±0.56 1.6±0.65 -7.76 <.001
Anxiety/depression 1.1±0.34 1.3±0.56 -8.51 <.001

Table 4

Association Factors on Quality of Life in Men with COPD (N=874)

Variables Non standardized regression coefficient Standardized β t p
β SE
(Constant) .83 .15 5.44 <.001
Age -.00 .00 -.16 -4.49 <.001
Educational level .02 .01 .09 2.64 .009
Income status .02 .01 .10 2.93 .003
FEV1 P .00 .00 .12 3.71 <.001
Smoking .01 .01 .02 0.90 .369
Height .00 .00 .00 0.02 .986
Weight .00 .00 .06 1.61 .109
R2=.109

Table 5

Association Factors on Quality of Life in Women with COPD (N=344)

Variables Non standardized regression coefficient Standardized β t p
β SE
(Constant) .95 .27 3.51 .001
Age -.00 .00 -.31 -4.90 <.001
Educational level .03 .03 .06 1.11 .269
Income status .00 .02 .01 0.32 .746
FEV1 P -.00 .00 -.00 -0.07 .947
Smoking -.02 .02 -.05 -1.10 .271
Height .00 .00 .07 1.12 .263
Weight -.00 .00 -.09 -1.57 .118
R2=.152