Chronic respiratory symptoms, lung function and associated factors among flour mill factory workers in Hawassa city, southern Ethiopia: “comparative cross-sectional study”

Table 3 Prevalence of respiratory symptoms in flour mill and soft drink factory workers, Hawassa city, South Ethiopia, 2018

Variables	Flour mill factory (n = 196)	Soft drinks factory (n = 210)	PR (95%CI)
Variables	n (%)	n (%)	PR (95%CI)
At least one chronic respiratory symptom	111 (56.6)	27 (12.9)	1.32 (1.0–1.6) *
Chronic chough	77 (39.3)	12 (5.7)	1.53 (1.1–2.0) *
Chronic breathlessness	37 (17.9)	18 (5.2)	1.42 (1.1–1.9) *
Chronic cough with sputum	35 (17.9)	9 (4.3)	1.34 (1.0–1.8) *
Chest wheezing	34 (17.3)	8 (3.8)	1.33 (1.0–1.7) *
Chest tightness	23 (11.9)	6 (2.9)	1.20 (0.7–1.9)

PR prevalence Ratio, CI confidence interval and ^*p < 0.05, adjusting for past dust exposure, working hours per day, educational status, smoking habit and monthly income

ISSN: 1471-2458