The use of carbon monoxide detectors may prevent deaths due to unintentional carbon monoxide poisoning. Currently, there is limited data regarding the characteristics of residential carbon monoxide detector use.
To determine the characteristics of residential carbon monoxide detector use.
A survey was administered to a convenience, cross-sectional sample of Emergency Department patients between June and August 2011. Inclusion criteria included patients who were older than 18 years, able to understand written or spoken English or Spanish, and lived in independent residential settings. Survey questions assessed the presence or absence of carbon monoxide and smoke detectors within the participant's home, the frequency of regular battery changes for both devices, location of carbon monoxide detectors within the home, and reasons for not installing carbon monoxide detectors (if applicable). Correlations between racial background, geographical area of residence (urban versus suburban), and income were also assessed.
A total of 1030 patients were surveyed. While 97.8% of respondents reported smoke detector use, only 44.4% had home carbon monoxide detectors installed. Only 17.2% had carbon monoxide detectors installed in or near their sleeping area, the correct location for detector placement. Carbon monoxide detector usage was found to be lowest among households earning less than $25,999 per year (27.3% reported having detectors), non-Caucasians (only 42.0% of African-Americans and 24.7% of Hispanics surveyed reported using detectors compared with 57.8% of Caucasians), renters, and urban residents. Reasons given for not having a carbon monoxide detector varied; many answers were consistent with a lack of awareness of the importance of using carbon monoxide detectors.
Residential carbon monoxide detectors were underutilized compared to smoke detectors. Increased public education, especially for minorities and lower income populations, is necessary regarding the use of carbon monoxide detectors for poisoning prevention.
[Show abstract][Hide abstract] ABSTRACT: Background
Carbon monoxide poisoning (COP) often produces severe complications and can be fatal. Because this topic has not been well delineated, we investigated long-term prognoses of patients with COP (COP[+]).
In this retrospective nationwide cohort study, 441 COP[+] patients and 8820 COP[−] controls (120) from 1999 to 2010 were selected from Taiwan’s National Health Insurance Research Database.
Thirty-seven (8.39%) COP[+] patients and 142 (1.61%) controls died (P<0.0001) during follow-up. Incidence rate ratios (IRR) of death were 5.24 times higher in COP[+] patients than in controls (P<0.0001). The risk of death was particularly high in the first month after COP (IRR: 308.78; 95% confidence interval [CI]: 40.79–2337.56), 1 to 6 months after (IRR: 18.92; 95% CI: 7.69–46.56), and 6–12 months after (IRR: 4.73; 95% CI: 1.02–21.90). After adjusting for age, gender, and selected comorbidities, the hazard ratio of death for COP[+] patients was still 4.097 times higher than for controls. Moreover, older age (≥30 years old), male gender, diabetes mellitus, hypertension, and low income were also independent mortality predictors.
COP significantly increases the risk for long-term mortality. Early follow-up and secondary prevention of death are needed for patients with COP.
PLoS ONE 08/2014; 9(8):e105503. DOI:10.1371/journal.pone.0105503 · 3.23 Impact Factor
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