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Table 2 New-onset adult wheeze in relation to gender, atopy, rhinitis, CB, age, and BMI

From: Incidence of new-onset wheeze: a prospective study in a large middle-aged general population

 

All years, 1993-2003

Smoking years

Ex-smoking years

Never-smoking years

Incidence rate ratios (smoking/never- smoking years)

Incidence rate ratios (ex- /never- smoking years)

All

4.3 (3.9–4.8)

7.9 (6.8–9.3)

4.2 (3.0–4.7)

3.0 (2.5–3.6)

2.6 (2.1–3.3)

1.3 (0.9–1.7)

Women

4.8 (4.2–5.5)

8.3 (6.8–10.1)

4.8 (3.6–6.3)

2.9 (2.3–3.7)

2.8 (2.1–3.9)

1.6 (1.1–2.4)

Men

3.8 (3.3–4.5)

7.4 (5.6–9.5)

2.9 (2.0–4.1)

3.1 (2.4–3.9)

2.4 (1.6–3.4)

1.4 (0.96–2.1)

Atopic

4.9 (3.8–6.2)

8.2 (5.2–12.5)

5.3 (3.2–8.3)

3.6 (2.4–5.1)

2.3 (1.3–4.2)

1.5 (0.8–2.7)

Non-atopic

4.2 (3.7–4.7)

7.9 (6.6–9.4)

3.5 (2.7–4.5)

2.8 (2.3–3.4)

2.8 (2.1–3.7)

1.3 (0.9–1.7)

Rhinitis

6.6 (5.5–7.8)

11.4 (8.5–14.9)

5.5 (3.8–7.8)

5.0 (3.7–6.6)

2.3 (1.5–3.4)

1.1 (0.7–1.8)

Non-rhinitis

3.6 (3.2–4.1)

7.0 (5.7–8.5)

3.1 (2.3–4.1)

2.5 (2.0–3.1)

2.8 (2.1–3.8)

1.2 (0.8–1.8)

CB (5 cases)

10.0 (3.3–23)

10.1 (0.2–56)

6.2 (0.1–35)

13.4 (2.8–39)

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Non-CB

4.3 (3.9–4.7)

7.9 (6.7–9.3)

3.8 (3.0–4.7)

3.0 (2.5–3.5)

2.7 (2.1–3.4)

1.3 (0.9–1.7)

BMI ≥30 (2003)

7.6 (5.9–9.8)

14.3 (9.3–21)

6.1 (3.4–10.1)

5.5 (3.4–8.5)

2.6 (1.4–4.8)

1.1 (0.5–2.2)

BMI < 30 (2003)

4.0 (3.5–4.4)

7.3 (6.1–8.6)

3.5 (2.7–4.5)

2.8 (2.3–3.3)

2.6 (2.0–3.4)

1.3 (0.9–1.7)

20–30 years old

5.2 (4.3–6.1)

10.0 (7.6–12.9)

4.8 (2.9–7.6)

3.7 (2.9–4.7)

2.7 (1.9–3.9)

1.3 (0.7–2.2)

31–40 years old

3.6 (2.9–4.4)

6.4 (4.6–8.7)

3.2 (2.0–7.6)

2.5 (1.7–3.6)

2.5 (1.6–4.1)

1.3 (0.7–2.2)

41–50 years old

4.2 (3.5–5.0)

7.7 (5.9–9.8)

3.8 (2.8–5.2)

2.6 (1.8–3.6)

3.0 (1.9–4.7)

1.5 (0.9–2.4)

  1. The data are presented as incidence rates (cases/1000 person-years) and relative risks, by smoking exposure (95 % confidence intervals). Atopy, rhinitis, CB, and age at baseline in 1993, and BMI in 2003, respectively
  2. CB chronic bronchitis, BMI body mass index