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Table 1 Characteristics of impaired respiratory health, mortality and socio-demographics of a cohort of women aged 55 years at baseline investigation

From: Does respiratory health contribute to the effects of long-term air pollution exposure on cardiovascular mortality?

 

Whole study group N = 4750

Study group with spirometry N = 2580

 

n/N

%

n/N

%

FEV1 <80% of predicted value

--

--

409/2577

15.9

FVC <80% of predicted value

--

--

526/2571

20.5

Chronic Bronchitis by physician diagnose

442/4642

9.5

211/2525

8.4

Frequent cough with phlegm production

518/4700

11.0

266/2554

10.4

Frequent cough

1063/4724

22.5

560/2568

21.8

All cause death

399/4750

8.4

183/2580

7.1

Cardiovascular death

127/4750

2.7

53/2580

2.1

Never smoker without ETS

1779/4750

37.5

1191/2577

46.2

Never smoker with ETS

1494/4750

31.5

829/2577

32.2

Ex-smoker

377/4750

7.9

201/2577

7.8

Current smoker with < 15 pack years

270/4750

5.7

136/2577

5.3

Current smoker with 15–30 pack years

284/4755

6.0

137/2577

5.3

Current smoker > 30 pack years

224/4755

4.7

83/2577

3.2

Smoking behaviour unknown

322/4750

6.8

143/2577

5.5

Living in rural area

1681/4750

35.4

1315/2580

51.0

Less then 10 y school

1400/4695

29.8

685/2574

26.6

At least 10 y school

2243/4695

47.8

1253/2574

48.7

More then 10 y school

1052/4695

22.4

636/2574

24.7

 

N

Mean/SD

N

Mean/SD

Age [years]

4748

54.5/0.6

2576

54.5/0.7

  1. Abbreviations:
  2. FEV1: Forced expiratory volume in 1 second; FVC: Forced vital capacity; SD: Standard deviation