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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 2.6 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
Less than one pack-year smoked 1-19 pack-years smoked 20-49 pack-years smoked 50 or more pack-years smoked
% % % %
Men
FEV1
At or above 5th centiled 88 85 73 61
Below 5th centile 12 15 27 39
Below 2.5th centile 9 12 22 34
FVC
At or above 5th centiled 87 84 79 68
Below 5th centile 13 16 21 32
Below 2.5th centile 9 11 18 25
FEV1/FVC
At or above 5th centiled 92 90 83 70
Below 5th centile 8 10 17 30
Below 2.5th centile 6 8 13 25
Probable airflow limitation (%)e 5 7 12 23
Women
FEV1
At or above 5th centiled 86 81 67 41
Below 5th centile 14 19 33 59
Below 2.5th centile 11 15 28 55
FVC
At or above 5th centiled 86 85 78 78
Below 5th centile 14 15 22 22
Below 2.5th centile 8 11 17 16
FEV1/FVC
At or above 5th centiled 88 85 74 43
Below 5th centile 12 15 26 57
Below 2.5th centile 9 11 21 45
Probable airflow limitation (%)e 7 10 19 47
Aged 16 and over with a valid lung function measurementc 2008 - 2011 combined
Lung Function Cigarette smoking status
Less than one pack-year smoked 1-19 pack-years smoked 20-49 pack-years smoked 50 or more pack-years smoked
% % % %
All adults
FEV1
At or above 5th centiled 87 83 69 54
Below 5th centile 13 17 31 46
Below 2.5th centile 10 13 25 41
FVC
At or above 5th centiled 87 84 78 71
Below 5th centile 13 16 22 29
Below 2.5th centile 9 11 18 22
FEV1/FVC
At or above 5th centiled 90 87 78 61
Below 5th centile 10 13 22 39
Below 2.5th centile 8 10 17 32
Probable airflow limitation (%)e 6 9 16 32
Bases (weighted):
Men 2008-2011 1090 398 215 117
Women 2008-2011 1198 461 266 63
All adults 2008-2011 2288 858 482 180
Bases (unweighted):
Men 2008-2011 892 399 281 125
Women 2008-2011 1247 556 318 60
All adults 2008-2011 2139 955 599 185

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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