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Ear Infection and Its Associated Risk Factors in First Nations and Rural School-Aged Canadian Children
Chandima P Karunanayake1, William Albritton2, Donna C Rennie3
1Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, 104 Clinic Place, Saskatoon, SK, Canada S7N 2Z4.
Ear infections are common in children, but First Nations children showed a lower prevalence compared to rural Caucasian children. Breastfeeding over three months was found to be protective against ear infections.
Area of Science:
- Pediatrics
- Epidemiology
- Public Health
Background:
- Ear infections (otitis media) are a significant childhood health concern.
- Potential links exist between ear infections, hearing impairment, and delayed language development.
Purpose of the Study:
- To determine the prevalence of ear infections in children aged 6-17 years.
- To identify associated risk factors for ear infections in specific populations.
Main Methods:
- Utilized data from two cross-sectional rural children studies.
- Employed logistic regression analysis to assess risk factors and prevalence.
- Defined outcome as the presence or absence of an ear infection.
Main Results:
- Prevalence was 57.8% in rural Caucasian children and 43.6% in on-reserve First Nations children.
- First Nations children exhibited a lower risk of ear infection.
- Factors associated with increased risk included younger age, being firstborn, physician-diagnosed tonsillitis, asthma, and respiratory allergies.
- Breastfeeding longer than three months demonstrated a protective effect.
Conclusions:
- Ear infections are highly prevalent in childhood.
- First Nations children demonstrated a lower likelihood of ear infection history compared to rural Caucasian children.
- Identified key risk factors and a protective factor (breastfeeding) for childhood ear infections.
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