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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 2.3 FEV1, FVC, and FEV1/FVC,a,b 2008-2011 combined, (age-standardised) by equivalised household income and sex

Aged 16 and over with a valid lung function measurementc 2008 - 2011 combined
Lung Function Equivalised annual household income quintile
1st (highest) 2nd 3rd 4th 5th (lowest)
% % % % %
Men
FEV1
At or above 5th centiled 89 87 79 82 81
Below 5th centile 11 13 21 18 19
Below 2.5th centile 8 9 16 14 17
FVC
At or above 5th centiled 88 86 84 84 80
Below 5th centile 12 14 16 16 20
Below 2.5th centile 10 10 11 10 14
FEV1/FVC
At or above 5th centiled 91 95 85 90 86
Below 5th centile 9 5 15 10 14
Below 2.5th centile 6 3 12 8 11
Probable airflow limitation (%)e 5 3 11 7 11
Women
FEV1
At or above 5th centiled 84 84 83 75 75
Below 5th centile 16 16 17 25 25
Below 2.5th centile 13 13 14 20 18
FVC
At or above 5th centiled 88 85 83 82 81
Below 5th centile 12 15 17 18 19
Below 2.5th centile 8 10 9 12 15
FEV1/FVC
At or above 5th centiled 85 87 85 81 83
Below 5th centile 15 13 15 19 17
Below 2.5th centile 10 10 12 14 14
Probable airflow limitation (%)e 11 8 10 14 11
Aged 16 and over with a valid lung function measurementc 2008 - 2011 combined
Lung Function Equivalised annual household income quintile
1st (highest) 2nd 3rd 4th 5th (lowest)
% % % % %
All adults
FEV1
At or above 5th centiled 86 85 81 78 78
Below 5th centile 14 15 19 22 22
Below 2.5th centile 10 11 15 18 18
FVC
At or above 5th centiled 88 86 83 83 80
Below 5th centile 12 14 17 17 20
Below 2.5th centile 9 10 10 11 14
FEV1/FVC
At or above 5th centiled 88 91 85 85 84
Below 5th centile 12 9 15 15 16
Below 2.5th centile 8 7 12 11 13
Probable airflow limitation (%)e 7 6 11 11 11
Bases (weighted):
Men 2008-2011 478 379 352 262 239
Women 2008-2011 415 376 362 343 304
All adults 2008-2011 894 755 713 605 543
Bases (unweighted):
Men 2008-2011 415 346 318 266 219
Women 2008-2011 438 420 397 384 323
All adults 2008-2011 853 766 715 650 542

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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