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Publication - Statistics

Scottish Health Survey - topic report: lung function

Published
29 July 2014
ISBN
9781784126797

This report presents data from objective measurement of lung function in adults, measured by portable spirometers, using data from the 2008-

2011 Scottish Health Surveys.

View supporting documents Supporting documents

Table 2.5 FEV1, FVC, and FEV1/FVC,a,b 2008-2011 combined, (age-standardised) by smoking status and sex

Aged 16 and over with a valid lung function measurementc 2008 - 2011 combined
Lung Function Cigarette smoking status
Never smoked Ex-smoker (gave up 10 years or more years ago) Ex-smoker (gave up within 10 years) Current smoker
% % % %
Men
FEV1
At or above 5th centiled 88 89 76 75
Below 5th centile 12 11 24 25
Below 2.5th centile 10 8 16 19
FVC
At or above 5th centiled 86 87 81 79
Below 5th centile 14 13 19 21
Below 2.5th centile 10 10 15 16
FEV1/FVC
At or above 5th centiled 92 92 85 84
Below 5th centile 8 8 15 16
Below 2.5th centile 6 5 13 13
Probable airflow limitation (%)e 6 5 13 11
Women
FEV1
At or above 5th centiled 84 87 79 70
Below 5th centile 16 13 21 30
Below 2.5th centile 12 11 15 25
FVC
At or above 5th centiled 86 87 84 81
Below 5th centile 14 13 16 19
Below 2.5th centile 9 7 10 14
FEV1/FVC
At or above 5th centiled 87 89 78 76
Below 5th centile 13 11 22 24
Below 2.5th centile 10 10 14 18
Probable airflow limitation (%)e 8 8 15 17
Aged 16 and over with a valid lung function measurementc 2008 - 2011 combined
Lung Function Cigarette smoking status
Never smoked Ex-smoker (gave up 10 years or more years ago) Ex-smoker (gave up within 10 years) Current smoker
% % % %
All adults
FEV1
At or above 5th centiled 86 88 78 73
Below 5th centile 14 12 22 27
Below 2.5th centile 11 10 15 22
FVC
At or above 5th centiled 86 87 83 80
Below 5th centile 14 13 17 20
Below 2.5th centile 9 9 13 15
FEV1/FVC
At or above 5th centiled 89 90 81 80
Below 5th centile 11 10 19 20
Below 2.5th centile 8 7 14 15
Probable airflow limitation (%)e 7 6 14 14
Bases (weighted):
Men 2008-2011 935 283 187 465
Women 2008-2011 994 323 205 497
All adults 2008-2011 1929 606 392 962
Bases (unweighted):
Men 2008-2011 793 377 181 381
Women 2008-2011 1083 395 228 505
All adults 2008-2011 1876 772 409 886

a FEV1: Forced expiratory volume in one second; FVC: Forced vital capacity; FEV1/FVC: FEV1 as a proportion of FVC

b No bronchodilator was given in this survey

c This table is based on participants in white ethnic groups only. The Stanojevic All Age 2009 equations, applicable to white (Caucasian) populations, were used to determine the predicted values for spirometry measurements in this chapter. ERS Global Lungs Initiative ethnic-specific reference equations that will also cover other ethnic groups were not available at the time of analysis, and therefore participants from non-white ethnic groups were excluded from the analysis shown here

d Centiles show the position of these parameters within a statistical distribution in a normal (healthy) population. If a parameter is on the 5th centile, this means that for every 100 people, 5 would be expected to be at or below that level and 95 above

e Probable airflow limitation: Both FEV1 and FEV1/FVC below the 5th centile

Contact

Email: Julie Landsberg

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