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Scottish Health Survey - topic report: lung function

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.

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Table 2.7 Estimated odds ratios for probable airflow limitation

Aged 16 and over with a valid lung function measurementc 2008-2011 combined
Independent variables Base (weighted) Odds ratio p value 95% Confidence Intervala
Men
Age
16-44 596 1 <0.001
45-54 327 1.48 0.18 0.83 2.65
55-64 354 1.57 0.08 0.94 2.63
65-74 285 2.23 0.00 1.34 3.72
75+ 172 3.31 0.00 1.88 5.84
Smoking pack-years
0 892 1 0.007
1-19 399 1.16 0.57 0.70 1.93
20-49 281 1.56 0.05 1.01 2.43
50+ 125 2.49 0.00 1.45 4.28
Highest Qualification
Degree or higher 485 1 0.000
Other qualifications 879 1.63 0.04 1.03 2.58
No qualifications 366 2.72 0.00 1.63 4.54
Area Classification
Rural 637 1 0.001
City/urban 1097 2.00 0.00 1.35 2.96
Total 1734
Aged 16 and over with a valid lung function measurementc 2008-2011 combined
Independent variables Base (weighted) Odds ratio p value 95% Confidence Intervala
Women
Age
16-44 830 1 <0.001
45-54 439 1.05 0.81 0.71 1.56
55-64 414 2.09 0.00 1.44 3.05
65-74 312 1.89 0.00 1.26 2.84
75+ 221 2.85 0.00 1.84 4.42
Smoking pack-years
0 1,247 1 <0.001
1-19 556 1.12 0.47 0.82 1.55
20-49 318 1.89 0.00 1.35 2.65
50+ 60 4.01 0.00 2.22 7.24
Highest Qualification
Degree or higher 607 1 0.225
Other qualifications 1,137 1.29 0.14 0.92 1.81
No qualifications 469 1.32 0.15 0.90 1.94
Area Classification
Rural 796 1 0.768
City/urban 1420 1.05 0.72 0.79 1.41
Total 2216

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

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

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Email: Julie Landsberg

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