Background This study examined disparities in 1-year mortality rates between infants born to married and unmarried single-parent families, emphasizing the need for targeted health policies.
Methods Data from 3,298,263 cases, obtained from the South Korea National Statistical Office (2010–2017), were analyzed. T-tests and chi-square tests were used to assess the demographic characteristics of the study group. The number of deaths per 1,000 live births was calculated, and logistic and multivariable logistic regressions were employed to compare infant mortality rates between family types. Additional stratified analyses, based on gestational age and birth weight, further elucidated the relationship between parental marital status and infant mortality.
Results Infants from unmarried families exhibited a 3.34-fold higher crude odds ratio (OR) for 1-year mortality (95% confidence interval [CI], 2.56–4.36; P<0.001) than that from married families. After adjusting for confounders, the adjusted OR was 1.40 (95% CI, 1.03–1.92). Stratification by gestational age and birth weight revealed crude ORs of 4.62 (95% CI, 3.34– 6.39) in non-preterm infants (≥37 weeks) and 4.76 (95% CI, 3.46–6.56) in non-low-birth-weight infants (≥2.5 kg), highlighting a more pronounced disparity in infants born at or above normal weight and full term. No significant difference (P>0.05) was found in the crude OR for 1-year mortality rates among low-birth-weight (<2.5 kg) or preterm (<37 weeks) infants between the two-family types.
Conclusion This study highlights the significant disparity in infant mortality rates based on parental marital status, underscoring the need for enhanced social support and tailored policies for unmarried single-parent families.
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A year of significant progress for the Korean Journal of Family Medicine Seung-Won Oh Korean Journal of Family Medicine.2026; 47(1): 1. CrossRef
Background Vitamin D may enhance immune system function and provide a protective effect against infections. Feto-maternal circulation plays an important role in supplying the developing fetus with nutrients and antibodies for its development and health during pregnancy and for its early years of life after birth. This meta-analysis aimed to determine the effectiveness of maternal vitamin D supplementation in preventing respiratory tract infections (RTIs) in children.
Methods We searched the Central and MEDLINE databases and went through all the reference lists in the related articles. We also searched for ongoing trials at http://www.who.int/ictrp/en/ and www.clinicaltrials.gov. Randomized controlled trials comparing vitamin D supplementation with a placebo or no treatment in pregnant women published in the English language up to March 2019 were included. Two reviewers extracted data independently using a predefined protocol and assessed the risk of bias using the Cochrane risk of bias tool, with differences agreed upon by consensus. The predefined primary outcome was the number of offspring who had RTIs. The secondary outcome was the presence of measurable serum immunoglobulin E levels.
Results Three trials involving 3,224 participants (mother–child pairs) met the inclusion criteria and were included in this review. The present analysis reported that maternal supplementation with vitamin D had no effect on RTIs among children (n=1,486 offspring; risk ratio, 0.95; 95% confidence interval, 0.82–1.11; random effects; I2 statistics, 0%).
Conclusion Maternal vitamin D supplementation had no effect on RTIs in children. Therefore, consideration of other prevention methods in this regard is recommended.
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Background It is a well-known fact that exclusive breastfeeding benefits both mothers and their babies. The aim of this study is to assess the associated factors influencing exclusive breastfeeding of babies until 6 months of age.
Methods The study used data from the 2017 Indonesia Demographic and Health Survey. Overall, 1,542 women who had infants aged below 6 months were included in the study. Sociodemographic and maternal health service utilization factors were examined for association with exclusive breastfeeding, using logistic regression for a complex sample design.
Results The proportion of exclusive breastfeeding was 52.3% (95% confidence interval [CI], 0.498–0.548). Parity, antenatal care visits, early initiation of breastfeeding, low-income households, and rural areas were significant factors associated with the increased likelihood of exclusive breastfeeding. However, working status (adjusted odds ratio [aOR], 0.70; 95% CI, 0.57–0.86) and caesarean delivery or C-section (aOR, 0.75; 95% CI, 0.57–0.99) were factors for a lower likelihood of exclusive breastfeeding.
Conclusion Working women are at risk of discontinuation of exclusive breastfeeding. Mothers who had a normal vaginal delivery and practiced early initiation of breastfeeding had a higher rate of exclusive breastfeeding. These findings have important implications for developing comprehensive guidance and resources for women regarding the importance of exclusive breastfeeding during the early postpartum period.
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