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Table 1 Demographic characteristics of the survey participants and national data

From: Utility estimation of hypothetical chronic obstructive pulmonary disease health states by the general population and health professionals

Characteristics All study respondents KNHANES III a
  N (%) %
Sex   
 Female 102 (51.0) 50.7
Age   
 20–29 46 (23.0) 23.4
 30–39 48 (24.0) 24.2
 40–49 44 (22.0) 23.4
 50–59 39 (19.5) 17.9
 60 and older 23 (11.5) 11.0
Level of education (years)   
 9 and below 13 (6.5) 20.9
 10 to 12 95 (47.5) 41.4
 13 and more 92 (46.0) 37.8
Reported problem in the EQ-5D dimension  
 Mobility 3 (1.5) 8.4
 Self-care 1 (0.5) 1.6
 Usual activities 4 (2.0) 5.2
 Pain/discomfort 28 (14.0) 21.9
 Anxiety/depression 22 (11.0) 12.6
EQ-5D index, mean (SD) 0.978 (0.05) 0.943
EQ-VAS, mean (SD) 82.7 (11.8) 73.9
  1. aKorean National Health and Nutrition Examination Survey III (2007 ~ 2009) data. The frequencies and means are weighted based on the population distribution.