Tables
- Table 1—
Characteristics of the Hordaland follow-up study cohort
Males Females Total 1352 (48.0) 1467 (52.0) Age in 1985 yrs 15–29 489 (36.2) 491 (33.5) 30–49 541 (40.0) 573 (39.1) 50–70 322 (23.8) 403 (27.5) Changes in smoking habits## Never-to-never 427 (32.9) 631 (45.6) Non-to-current 67 (5.2) 68 (4.9) Current-to-current 395 (30.4) 381 (27.5) Current-to-ex 157 (12.1) 136 (9.8) Ex-to-ex 253 (19.5) 167 (12.1) Pack-yrs¶¶ 0 427 (32.9) 631 (45.3) 1–9 312 (24.1) 392 (28.1) 10–19 270 (20.8) 226 (16.2) 20+ 287 (22.1) 144 (10.3) -
Data are presented as n (%)
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#: some subjects were not included in these categories due to lack of reporting of smoking, or inconsistencies
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¶: not all subjects responded to questions about the number of cigarettes they smoked per day or the number of years they had smoked
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- Table 2—
Prevalence of respiratory symptoms and asthma at baseline and follow-up
Males# Females¶ All subjects+ 1985 1996/1997 Increase 1985 1996/1997 Increase 1985 1996/1997 Increase Subjects n Respiratory symptoms and asthma Asthma 3.6 6.4 2.8 2.9 5.6 2.7 3.4 6.0 2.6 Morning cough 23.7 24.7 1.0 18.2 25.0 6.8 21.1 24.9 3.8 Daytime cough 13.4 15.5 2.1 9.1 14.7 5.6 11.9 15.1 3.2 Chronic cough 11.5 12.1 0.6 8.0 12.3 4.3 10.0 12.2 2.2 Phlegm cough 25.0 26.3 1.3 17.2 21.1 3.9 20.7 23.6 2.9 Dyspnoea grade 1 15.2 18.9 3.7 20.4 25.2 4.8 19.1 22.2 3.1 Dyspnoea grade 2 8.1 12.1 4.0 11.8 20.1 8.3 11.2 16.2 5.0 Dyspnoea grade 3 2.1 4.4 2.3 2.3 6.5 4.2 2.9 5.5 2.6 Dyspnoea grade 4 1.0 1.6 0.6 1.0 2.9 1.9 1.4 2.3 0.9 Attacks of dyspnoea 11.3 12.7 1.4 13.0 15.9 2.9 12.2 14.4 2.2 Wheezing 22.0 35.7 13.7 18.5 36.5 18.0 20.6 36.1 15.5 -
Data are presented as %
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#: n=1,352
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¶: n=1,467
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+: n=2,819
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- Table 3—
The cumulative incidences of asthma and respiratory symptoms in a Norwegian general population sample over 11‐yrs follow-up
Subjects n Asthma Morning cough Daytime cough Chronic cough Phlegm cough Dyspnoea grade 1 Dyspnoea grade 2 Dyspnoea grade 3 Dyspnoea grade 4 Attacks of dyspnoea Wheezing Sex Males 1352 4.0 14.9 11.2 8.4 17.9 14.0 8.8 3.7 1.4 9.1 23.9 Females 1467 3.5 17.3 11.1 9.6 15.3 20.9 14.9 5.3 2.6 11.5 27.5 Age in 1985 yrs 15–29 980 2.6 13.0 9.3 7.7 16.2 15.0 9.3 2.4 1.5 11.5 29.7 30–49 1114 3.4 16.2 11.1 9.1 14.9 13.6 8.4 3.8 1.8 8.9 26.0 50–70 725 5.8 20.8 13.7 10.8 19.5 27.6 21.6 8.7 3.1 11.1 20.5 Changes in smoking habits Never-to-never 1058 3.0 13.5 9.0 7. 13.3 14.8 11.3 4.1 2.1 7.6 19.9 Non-to-current 135 3.1 22.1 16.9 16.0 25.2 16.1 9.8 2.3 2.3 11.4 40.0 Current-to-current 776 4.1 25.1 17.1 13.9 24.8 21.0 11.9 4.5 1.7 14.0 37.7 Current-to-ex 293 6.0 14.8 10.2 6.8 15.3 19.0 14.0 6.8 2.8 13.3 29.7 Ex-to-ex 420 3.5 12.1 5.0 5.2 13.0 16.3 11.0 4.1 2.2 9.4 20.3 Pack-yrs 0 1058 3.0 13.5 9.0 7.0 13.3 14.8 11.3 4.1 2.1 7.6 19.9 1–9 656 3.3 12.2 7.6 6.0 13.8 15.0 8.9 2.5 1.7 11.1 28.4 10–19 496 2.7 21.9 13.6 11.3 21.2 21.4 11.4 3.8 2.3 13.1 31.6 20+ 431 6.3 29.5 19.9 16.1 26.9 21.3 15.6 8.8 2.1 14.3 34.0 Total 2819 3.7 16.2 11.1 9.0 16.5 17.5 11.9 4.5 2.0 10.3 25.8 -
Data are presented as % unless otherwise stated
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- Table 4—
Development of asthma or respiratory symptoms with independent variables: sex, age, changes in smoking habits, and pack-yrs, during 11‐yrs follow-up
Asthma Morning cough Daytime cough Chronic cough Phlegm cough Dysproea grade 1 Dysproea grade 2 Dysproea grade 3 Dysproea grade 4 Attacks of dyspnoea Wheezing Sex Females (compared to males) 1.1 (0.7–1.7) 1.3 (1.0–1.7) 1.1 (0.8–1.4) 1.3 (1.0–1.7) 0.9 (0.7–1.1) 1.9 (1.5–2.4) 2.3 (1.7–3.1) 2.0 (1.7–3.1) 2.4 (1.3–4.4) 15 (1.1–2.0) 1.4 (1.1–1.7) Age in 1985 (compared to 15–29) yrs 30–49 1.2 (0.7–2.0) 1.3 (1.0–1.8) 1.3 (0.9–1.8) 1.2 (0.8–1.6) 0.9 (0.7–1.2) 0.8 (0.6–1.1) 0.8 (0.6–1.1) 1.4 (0.8–2.4) 1.0 (0.5–2.1) 0.7 (0.5–0.9) 0.8 (0.6–1.0) 50–70 2.0 (1.1–3.6) 1.9 (1.4–2.7) 1.7 (1.2–2.0) 1.4 (0.9–2.0) 1.4 (1.0–2.0) 2.0 (1.4–2.7) 2.1 (1.5–3.0) 2.9 (1.7–5.1) 1.6 (0.8–3.3) 0.9 (0.6–1.3) 0.7 (0.5–0.9) Changes in smoking habits (compared to never-to-never) Non-to-current 1.1 (0.4–3.2) 1.9 (1.1–3.2) 2.0 (1.1–3.4) 2.3 (1.3–4.0) 2.2 (1.4–3.7) 1.2 (0.7–2.2) 0.9 (0.5–1.8) 0.6 (0.2–1.9) 1.2 (0.3–4.3) 1.4 (0.7–2.7) 2.3 (1.5–3.6) Current-to-current 1.0 (0.5–2.0) 1.8 (1.2–2.6) 1.5 (1.0–2.2) 1.4 (0.9–2.1) 2.0 (1.3–2.9) 1.5 (1.0–2.2) 0.8 (0.5–1.2) 0.7 (0.4–1.2) 0.7 (0.3–1.8) 1.7 (1.1–2.6) 2.0 (1.4–2.8) Current-to-ex 1.2 (0.6–2.6) 1.0 (0.6–1.6) 0.8 (0.4–1.3) 0.6 (0.3–1.1) 1.1 (0.7–1.8) 1.3 (0.8–2.0) 1.1 (0.7–1.7) 1.1 (0.6–2.2) 1.2 (0.5–3.2) 1.6 (1.0–2.6) 1.4 (1.0–2.1) Ex-to-ex 0.9 (0.5–1.8) 0.7 (0.5–1.1) 0.4 (0.2–0.7) 0.6 (0.3–0.9) 0.9 (0.6–1.3) 1.1 (0.8–1.6) 0.9 (0.6–1.4) 0.7 (0.4–1.4) 1.1 (0.5–2.5) 1.3 (0.8–2.0) 1.1 (0.8–1.5) Pack-yrs Per 10 pack-yrs increase 1.2 (1.0–1.4) 1.2 (1.0–1.3) 1.2 (1.1–1.4) 1.3 (1.1–1.5) 1.1 (0.9–1.2) 1.1 (1.0–1.2) 1.3 (1.1–1.4) 1.4 (1.2–1.6) 1.1 (0.9–1.5) 1.1 (1.0–1.3) 1.1 (1.0–1.3) -
Data are presented as adjusted odds ratio (95% confidence intervals)
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- Table 5—
Increase in dyspnoea 1, 2, or 3–4 grades by independent variables sex, age, and pack-yrs in a multinominal logistic regression model
Δ1 increase Δ2 increase Δ3–4 increase Compared to no increase in dyspnoea Sex Females (compared to males) 1.6 (1.2–2.2) 2.4 (1.7–3.4) 1.8 (1.0–3.1) Age in 1985 (compared to 15–29) yrs 30–49 0.9 (0.6–1.2) 0.8 (0.5–1.2) 1.0 (0.5–2.0) 50–70 1.4 (0.9–2.0) 2.1 (1.5–3.0) 2.4 (1.3–4.6) Pack-yrs Per 10 pack-yrs increase 1.3 (1.1–1.4) 1.1 (1.0–1.3) 1.2 (1.0–1.5) -
Data are presented as odds ratio (95% confidence intervals)
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Additional Files
Correction
Correction, published in Eur Respir J 2003; 21: 735.
Files in this Data Supplement:
- Correction - Correction, published in Eur Respir J 2003; 21: 735.
