Table 3.
Prevalence (P) of cold-related respiratory, cardiac and circulation symptoms and prevalence differences (PD, percentage points, pp)
| Subgroup | Respiratory | Cardiac | Circulation | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Crude | Adjusted | Crude | Adjusted | Crude | Adjusted | |||||||
| P (%) | PD (pp) | PD (pp) | 95% CI | P (%) | PD (pp) | PD (pp) | 95% CI | P (%) | PD (pp) | PD (pp) | 95% CI | |
| Sex | ||||||||||||
| Men | 78.7 | 0.0 | 0.0 | 27.2 | 0.0 | 0.0 | 71.4 | 0.0 | 0.0 | |||
| Women | 73.8 | −4.9 | 1.5 | (−5.7–8.7) | 22.3 | −4.9 | 10.0 | (1.1–18.9) | 66.2 | −5.2 | 8.4 | (0.5–16.4) |
| Age (yr) | ||||||||||||
| 18–24 | 80.0 | 0 | 0.0 | 20.0 | 0.0 | 0.0 | 61.6 | 0.0 | 0 | |||
| 25–34 | 78.7 | −1.3 | −4.8 | (−12.5–2.9) | 29.1 | 9.1 | 6.3 | (−2.9–15.6) | 73.5 | 11.9 | 1.8 | (−7.3–11.0) |
| 35–44 | 76.9 | −3.1 | −5.0 | (−13.5–3.6) | 25.0 | 5.0 | −3.6 | (− 12.1–4.9) | 72.7 | 11.1 | 7.9 | (−0.5–16.4) |
| 45–57 | 62.5 | −17.5 | −9.2 | (−22.4–3.9) | 21.9 | 1.9 | 1.0 | (−14.5–16.4) | 60.9 | −0.7 | 6.3 | (−7.0–19.5) |
| Education | ||||||||||||
| Primary school | 65.2 | 0.0 | 0.0 | 20.3 | 0.0 | 0.0 | 62.3 | 0.0 | 0.0 | |||
| Middle school | 77.2 | 12.0 | 16.0 | (4.3–27.7) | 23.7 | 3.4 | 0.3 | (−10.3–10.9) | 66.7 | 4.4 | 4.7 | (−6.3–15.6) |
| High school | 69.4 | 4.2 | 7.3 | (−6.0–20.5) | 28.6 | 8.3 | 5.9 | (−5.2–17.1) | 69.4 | 7.1 | −1.1 | (−13.9–11.7) |
| Vocational school | 81.9 | 16.7 | 24.3 | (15.6–32.9) | 27.8 | 7.5 | 6.3 | (− 6.5–19.0) | 72.2 | 9.9 | 7.6 | (−4.4–19.6) |
| University | 83.0 | 17.8 | 29.0 | (23.4–34.6) | 23.8 | 3.5 | 1.7 | (−8.5–12.0) | 71.7 | 9.4 | 8.1 | (−2.1–18.2) |
| Body weight | ||||||||||||
| Normal | 77.1 | 0.0 | 0.0 | 25.1 | 0.0 | 0.0 | 67.5 | 0.0 | 0.0 | |||
| Overweight | 70.6 | −6.5 | −6.9 | (−18.1–4.3) | 20.9 | −4.2 | −2.4 | (− 13.0–8.2) | 67.6 | 0.1 | −3.1 | (−15.5–9.4) |
| Obese | 77.6 | 0.5 | 0.0 | (−6.8–6.8) | 25.6 | 0.5 | 2.8 | (−5.7–11.3) | 70.8 | 3.3 | 4.0 | (− 3.8–11.8) |
| Smoking | ||||||||||||
| Never | 76.8 | 0.0 | 0.0 | 24.3 | 0.0 | 0.0 | 69.9 | 0.0 | 0.0 | |||
| Ex-smoker | 77.8 | 1.0 | −5.9 | (−29.4–17.7) | 44.4 | 20.1 | 25.2 | (1.6–48.7) | 72.2 | 2.3 | −6.4 | (−31.7–18.9) |
| Smoker | 73.5 | − 3.3 | − 6.8 | (−19.0–5.5) | 21.6 | −2.7 | −5.7 | (− 15.8–4.4) | 63.9 | − 6.0 | − 20.6 | (− 36.7– −4.4) |
| Alcohol | ||||||||||||
| Does not use | 73.8 | 0.0 | 0.0 | 22.5 | 0.0 | 0.0 | 65.0 | 0.0 | 0 | |||
| Occasionally | 75.5 | 1.7 | −3.1 | (−12.3–6.1) | 23.8 | 1.3 | −5.0 | (−14.4–4.4) | 71.3 | 6.3 | 7.0 | (−2.7–16.7) |
| Monthly | 79.4 | 5.6 | −6.8 | (−19.3–5.8) | 23.8 | 1.3 | −13.1 | (−22.1– − 4.0) | 71.4 | 6.4 | 3.4 | (−9.4–16.2) |
| Weekly | 85.4 | 11.6 | 2.7 | (−10.0–15.4) | 35.4 | 12.9 | −0.1 | (−13.2–13.0) | 75.0 | 10.0 | 8.2 | (−6.1–22.5) |
| Job | ||||||||||||
| Office worker | 75.4 | 0.0 | 0.0 | 24.1 | 0.0 | 0.0 | 67.2 | 0.0 | 0.0 | |||
| Manufacturing | 72.5 | −2.9 | 17.5 | (11.5–23.6) | 26.2 | 2.1 | −7.7 | (−16.5–1.2) | 67.6 | 0.4 | 3.3 | (−5.8–12.4) |
| Storage worker | 81.1 | 5.7 | 12.0 | (2.4–21.6) | 26.3 | 2.2 | −8.9 | (−18.1–0.4) | 71.3 | 4.1 | −2.6 | (−14.6–9.4) |
| Forklift driver | 81.8 | 6.4 | 22.1 | (12.8–31.3) | 18.8 | −5.3 | −12.4 | (−26.9–2.1) | 75.8 | 8.6 | 16.5 | (4.1–28.8) |
| Employment years | ||||||||||||
| 0–1.9 | 78.4 | 0.0 | 0.0 | 20.4 | 0.0 | 0.0 | 68.1 | 0.0 | 0.0 | |||
| 2–9.9 | 79.0 | 0.6 | 2.4 | (−5.0–9.8) | 29.9 | 9.5 | 4.2 | (−3.7–12.1) | 72.5 | 4.4 | 1.3 | (−6.7–9.4) |
| 10–30 | 71.1 | −7.3 | 0.2 | (−8.0–8.4) | 23.9 | 3.5 | 3.9 | (− 7.6–15.3) | 66.9 | −1.2 | − 7.1 | (−18.3–4.0) |
a Adjusted for all variables in the table other than the variable of interest, plus factory