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Table 3 Association (coefficient and 95% confidence interval) of the physical component summary (PCS) and the mental component summa (MCS) with persistent* respiratory symptoms.

From: Respiratory symptoms in adults are related to impaired quality of life, regardless of asthma and COPD: results from the European community respiratory health survey

 

PCS

MCS

 

coef

95% CI

coef

95% CI

Persistent symptoms

    

Wheezing

-4.06

(-4.95, -3.16)

-2.45

(-3.41, -1.49)

Wheezing and breathlessness

-6.08

(-7.51, -4.65)

-2.19

(-3.66, -0.72)

Wheezing without a cold

-4.13

(-5.43, -2.84)

-1.88

(-3.14, -0.61)

Woken up by tightness in chest

-7.15

(-8.65, -5.65)

-4.02

(-5.51, -2.52)

Breathlessness at rest

-8.05

(-11.18, -4.93)

-3.81

(-6.68, -0.94)

Breathlessness after exercise

-5.93

(-7.11, -4.75)

-2.92

(-4.12, -1.72)

Breathlessness at night

-5.68

(-7.91, -3.45)

-0.78

(-2.95,1.40)

Cough at night

-3.68

(-4.46, -2.91)

-2.07

(-2.92, -1.21)

Cough in the morning

-3.68

(-4.89, -2.46)

-2.04

(-3.31, -0.76)

Cough in the winter

-4.74

(-6.05, -3.43)

-4.08

(-5.50, -2.67)

Chronic chough

-4.83

(-6.77, -2.90)

-3.96

(-6.01, -1.90)

Phlegm in the morning

-3.92

(-5.04, -2.80)

-2.04

(-3.21, -0.86)

Phlegm in the winter

-4.41

(-5.90, -2.93)

-2.80

(-4.33, -1.28)

Chronic phlegm

-2.64

(-4.42, -0.86)

-2.99

(-5.03, -0.94)

  1. *Persistent meaning presence of the symptom both in ECRHS I and II. Coefficients give deviations from mean score compared to never having had the symptom. Adjusted for age, gender, smoking, comorbidity, occupation, BMI, and study centre.