Prevalence of and Risk Factors for Self‐Reported Chronic Bronchitis in a Canadian Population: The Canadian Community Health Survey, 2007 To 2008

Karunanayake, Chandima; Hagen, Briana N. M.; Dosman, James A.; Pahwa, Punam

doi:10.1155/2013/724208

Cited by 5 publications

(6 citation statements)

References 28 publications

(26 reference statements)

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“…In addition, the prevalence of asthma and asthma-like symptoms in urban communities of Beijing has been reported to be higher than that in rural Beijing (14). The prevalence of CB in our study was 6.9%, which is higher than that in Canada (2.5%), India (3.5%), Iran (5.6%), Vietnam (5.6%), and Australia (6.1%) (15)(16)(17)(18)(19), but lower than that in European countries such as Sweden (7.2%) and Turkey (14.1%) (20,21). Chronic cough and chronic phlegm are symptoms associated with CB.…”

Section: Discussioncontrasting

confidence: 61%

Epidemiology of chronic airway disease: results from a cross-sectional survey in Beijing, China

Zhou¹,

Dong²,

Kang³

et al. 2018

J. Thorac. Dis

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Background: Although the epidemiology of chronic airway disease (CAD) has been investigated in several population-based studies, the findings of these studies are diverse. We aimed to investigate the prevalence of CAD and its associated factors in urban northern China. Methods: A cross-sectional study was conducted among 29,359 Chinese adults aged ≥20 years. All participants were randomly recruited from two urban communities in Beijing and asked to complete a selfadministered questionnaire that enquired about the demographic characteristics as well as the diagnosis of CAD and CAD-related symptoms. Results: In all, 26,166 participants completed the questionnaire, with the response rate being 89.1%. The prevalence of diagnosed CAD was 9.0% among men and 7.2% among women, with a total prevalence of 8.1%. Furthermore, 11.5% of the investigated subjects had CAD-related symptoms. Women had a lower risk of developing wheezing, cough, dyspnea, and diagnosed CAD than men (P<0.05). The frequency of CAD-related symptoms and diagnosed CAD was greater among elderly persons than among those who were younger (P<0.01). Subjects with a smoking habit were more susceptible to CAD-related symptoms and diagnosed CAD (P<0.01). Additionally, individuals with CAD-related symptoms were more likely to be diagnosed with CAD, compared to those without these symptoms (P<0.01). Conclusions: CAD is a common respiratory disease in urban northern China. Female gender might be a protective factor against CAD, while age and smoking are risk factors for the disease.

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Section: Discussioncontrasting

confidence: 61%

Epidemiology of chronic airway disease: results from a cross-sectional survey in Beijing, China

Zhou¹,

Dong²,

Kang³

et al. 2018

J. Thorac. Dis

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“…In Canada, the prevalence of CB in adults was 2.5%. 1 However, in India, the prevalence among the individuals aged ≥40 years was higher compared to the individuals aged <40 years ( 10% vs. 8.5%). 23 A survey in Finland showed that during the last 3 decades (between 1986 and 2007), the prevalence of CB decreased from 19% in 1982 to 13% in 2007 (P for trend <0.001).…”

Section: Resultsmentioning

confidence: 93%

“…Chronic bronchitis (CB) implies the chronic inflammation of the bronchi which causes the swelling and irritation of the respiratory pathways as well as increased mucus production. 1 It does not necessarily imply the presence of infection. 2 CB is a common disease among the general population, especially among the middle-aged and elderly groups.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of Chronic Bronchitis in the Northwest of Iran: Results of the Pilot Phase of the Azar Cohort Study

Laghousi

Mizani

Aminisani

et al. 2018

Int J Epidemiol Res

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Background and aims: Although chronic bronchitis is markedly under-diagnosed in the general population, it has a significant impact on the health status and the well-being of patients as well as healthcare resource consumption. This study aimed to determine the prevalence of chronic bronchitis and its correlates in the northwest of Iran. Methods: In 2014, all residents aged 35 and over in Khameneh city, East Azerbaijan, were invited to participate in the pilot phase of the Azar cohort study. The respiratory symptoms questionnaires were filled out by two trained general practitioners. Participants with a cough and phlegm on most days during at least three successive months in the previous two years were classified as chronic bronchitis group. Chi-square test was used to compare the chronic bronchitis and smoking status between males and females. Results: A total of 1036 participants were interviewed, 1006 of whom had completed a respiratory questionnaire, from them 544 (54.1%) were females, and 462 (45.9%) were males. The mean age was 52.5 ± 10.5 years. The prevalence of smoking was 16.2%. According to the chronic bronchitis definition, 24 (2.4%) subjects were classified with chronic bronchitis, and the prevalence was higher in the males (4.1%) than that in the females (0.9%). The prevalence was higher among the active smokers and ex-smokers compared to non- smokers (8.6% and 4.1% vs. 0.8%). The prevalence of cigarette smoking was 16.2% and it was higher in the males than that in the females (33.5% vs. 1.5%). Conclusion: the prevalence of chronic bronchitis in the population of the region under study was relatively low in comparison to the other parts of Iran and its prevalence was higher in the males than that in the females.

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“…In contrast, the 2002/03 First Nations Regional Longitudinal Health Survey reported that age-standardized prevalence of self-reported, doctor-diagnosed CB was 3.7% in First Nations living on-reserve [4]. All these rates are higher than the prevalence of 2.4 and 2.5% found in the non-Aboriginal Canadian population, according to the 2005 CCHS and 2007/2008 CCHS, respectively [5, 25]. A recent study of Saskatchewan rural residents (excluding Aboriginal residents) reported a prevalence of 5.9% [26].…”

Section: Discussionmentioning

confidence: 99%

“…Exposure to environmental tobacco smoke (household smoke) is the most important risk factor for the development of CB as reported by several studies [ 2 , 25 – 29 ]. The current study did not report a significant association between personal non-traditional use of tobacco and the prevalence of CB; however, there was a significant interaction with environmental tobacco smoke and BMI.…”

Section: Discussionmentioning

confidence: 99%

Prevalence and associated risk factors of chronic bronchitis in First Nations people

et al. 2017

Self Cite

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BackgroundInadequate housing, low family income, household smoking, personal smoking status, and poor schooling are some of the conditions that have been significantly associated with the prevalence and incidence of chronic bronchitis. The aim of the current study was to determine the prevalence of chronic bronchitis (CB) and associated risk factors among First Nations people.MethodsAn interviewer-administered survey was conducted as part of the First Nations Lung Health Project in 2012 and 2013 with 874 individuals from 406 households in two First Nations communities located in the province of Saskatchewan, Canada. The questionnaire collected information on individual and contextual determinants of health and a history of ever diagnosed with CB (outcome variable) from the two communities participating in the First Nations Lung Health Project. Clustering effect within households was adjusted using Generalized Estimating Equations.ResultsThe prevalence of CB was 8.9% and 6.8% among residents (18 years and older) of community A and community B respectively and was not significantly different. CB prevalence was positively associated with odour or musty smell of mildew/mould in the house [ORadj (95% CI) = 2.33 (1.21, 4.50)], allergy to house dust [3.49 (1.75, 6.97)], an air conditioner in home [2.33 (1.18, 4.24)], and increasing age [0.99 (0.33, 2.95), 4.26 (1.74, 10.41), 6.08 (2.58, 14.33)]. An interaction exposure to environmental tobacco smoke in the house*body mass index showed that exposure to household smoke increased the risk of CB for overweight and obese participants (borderline). Some of the variables of interest were not significantly associated with the prevalence of CB in multivariable analysis, possibly due to small numbers.ConclusionsOur results suggest that significant determinants of CB were: increasing age; odour or musty smell of mildew/mould in the house; allergy to house dust; and, body mass index. Modifiable risk factors identified were: (i) community level-housing conditions (such as mould or mildew in home, exposure to environmental tobacco smoke in house); and, (ii) policy level-remediation of mould, and obesity.Trial registrationNot applicable.

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Prevalence of and Risk Factors for Self‐Reported Chronic Bronchitis in a Canadian Population: The Canadian Community Health Survey, 2007 To 2008

Abstract: The results suggest an association between ethnicity and the prevalence of CB. The associations between self-reported CB prevalence and household income, educational attainment and smoking status varied according to region of Canada.

Cited by 5 publications

References 28 publications

Epidemiology of chronic airway disease: results from a cross-sectional survey in Beijing, China

Epidemiology of chronic airway disease: results from a cross-sectional survey in Beijing, China

Prevalence of Chronic Bronchitis in the Northwest of Iran: Results of the Pilot Phase of the Azar Cohort Study

Prevalence and associated risk factors of chronic bronchitis in First Nations people

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