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Bed- and sofa-sharing practices in a UK biethnic population
Helen L Ball1, Eduardo Moya, Lesley Fairley
1Parent-Infant Sleep Laboratory & Medical Anthropology Research Group, Durham University, Durham, UK. H.L.Ball@dur.ac.uk
Insights
Bed- and sofa-sharing are distinct infant sleep practices with different risk factors. These findings highlight the need for tailored sudden unexpected death in infancy (SUDI) reduction guidelines across diverse populations.
Area of Science:
- Pediatric Sleep Medicine
- Public Health
- Sociology
Background:
- Bed-sharing and sofa-sharing are common infant sleep practices.
- Understanding their prevalence and associations is crucial for infant safety.
- These practices are often grouped together, potentially obscuring distinct risk factors.
Purpose of the Study:
- To determine the prevalence of bed- and sofa-sharing in a UK birth cohort.
- To identify factors associated with these distinct sleep-sharing behaviors.
- To inform targeted sudden unexpected death in infancy (SUDI) prevention strategies.
Main Methods:
- Telephone interviews with 3082 participants in the Born in Bradford birth cohort study.
- Infants were aged 2 to 4 months at the time of survey.
- Data collected on sleep surface sharing and SUDI-related behaviors.
Main Results:
- 15.5% of families ever bed-shared; 7.2% regularly bed-shared.
- 9.4% of families ever sofa-shared; 1.4% reported both.
- Bed-sharing associated with Pakistani ethnicity, higher education, and breastfeeding duration. Sofa-sharing associated with smoking and breastfeeding duration, less common in Pakistani and single-parent families.
Conclusions:
- Bed-sharing and sofa-sharing are distinct practices and should not be combined in SUDI studies.
- Determinants of sleep-surface sharing differ between UK ethnic groups and from US minority communities.
- Generalizing SUDI/SIDS risk factors and guidelines across diverse populations requires caution.
Objective:
To describe the prevalence and associations of bed- and sofa-sharing in a biethnic UK birth cohort.
Methods:
We surveyed 3082 participants in the Born in Bradford birth cohort study by using a telephone interview when infants were aged 2 to 4 months. We asked families about sleep surface sharing behaviors, and other sudden unexpected death in infancy (SUDI)-related behaviors.
Results:
There were 15.5% of families that had ever bed-shared, 7.2% of families regularly bed-shared, and 9.4% of families had ever sofa-shared with their infants; 1.4% reported both. Regular bed-sharers were more commonly Pakistani (adjusted odds ratio [aOR] = 3.02, 95% confidence interval [CI] 1.96-4.66), had further or higher educational qualifications (aOR = 1.62, 95% CI 1.03-2.57), or breastfed for at least 8 weeks (aOR = 3.06, 95% CI 2.00-4.66). The association between breastfeeding and bed-sharing was greater among white British than Pakistani families. Sofa-sharing occurred in association with smoking (aOR = 1.79, 95% CI 1.14-2.80) and breastfeeding for more than 8 weeks (aOR = 1.76, 95% CI 1.19-2.58), and was less likely in Pakistani families (aOR = 0.21, 95% CI 0.14-0.31), or single-parent families (aOR = 0.50, 95% CI 0.29-0.87).
Conclusions:
The data confirm that bed-sharing and sofa-sharing are distinct practices, which should not be combined in studies of unexpected infant deaths as a single exposure. The determinants of sleep-surface sharing differ between the UK Pakistani and UK majority communities, and from those of US minority communities. Caution is needed in generalizing SUDI/SIDS risk factors across populations with differing risk factor profiles, and care should be taken in adopting SUDI/SIDS reduction guidelines from other contexts.
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