Family tree database of the National Health Information Database in Korea

Kim, Yeon-Yong; Hong, Hae-young; Cho, Kyu-Dong; Park, Jong Heon

doi:10.4178/epih.e2019040

Cited by 8 publications

(8 citation statements)

References 5 publications

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“…18 According to a study based on another nationwide survey by KIHSA, the full BF rate at 6 months of age peaked in 2009 (51.0%) and then decreased in 2012 (44.5%). 14 After that, it gradually decreased in the 2015 (42.9%) and 2018 (23.6%) reports, 19 20 showing consistency with our results based on KNHANES data. The recent decline in the 12-month any BF rate observed in our results (45.9%, 35.0%, and 28.9% in 2010–2012, 2013–2015, and 2016–2018, respectively) was also observed in the publication by KIHSA, where BF rate at 12 months was 31.3% and 32.2% in 2012 and 2015, respectively, 19 20 and 23.3% in 2018.…”

Section: Discussionsupporting

confidence: 91%

“… 14 After that, it gradually decreased in the 2015 (42.9%) and 2018 (23.6%) reports, 19 20 showing consistency with our results based on KNHANES data. The recent decline in the 12-month any BF rate observed in our results (45.9%, 35.0%, and 28.9% in 2010–2012, 2013–2015, and 2016–2018, respectively) was also observed in the publication by KIHSA, where BF rate at 12 months was 31.3% and 32.2% in 2012 and 2015, respectively, 19 20 and 23.3% in 2018. 21 In the United States, the 12-month BF rate in 2014–2019 was approximately 35%, and the 6-month any BF rate was 55.3–58.3%, 26 which was not significantly different from our results of the 33.7% and 55.4%, respectively.…”

Section: Discussionsupporting

confidence: 91%

“…Until now, demographic, socioeconomic, educational, or health status-associated factors related to mothers and babies, which have been reported to be related to BF rates, have differed depending on the BF period, BF type, the participants, and the years investigated. 19 20 21 22 23 24 According to the 2018 KIHSA report, the mother’s educational level and residence area were significantly related to BF within an hour of birth. 21 Based on the 4th data of the KNHANES (2007–2009), which is a study that analyzed the associated factors of full BF at the age of 6 months, was significant in the region, mother’s childbirth age, and delivery method, but employment status was not significant.…”

Section: Introductionmentioning

confidence: 99%

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The Current Status of Prolonged Breastfeeding and Its Related Factors in Korean Infants and Their Mothers: A Nationwide Cross-Sectional Study

Hong

Chang

2023

J Korean Med Sci

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Background International authorities recommend prolonged breastfeeding (PBF) for 12–24 months or more with 6 months of exclusive breastfeeding (EBF). Based on the Korean National Health and Nutrition Examination Survey (KNHANES) data, this study attempted to help encourage and educate breastfeeding (BF) over 1 year by investigating long-term BF trends and related factors in Korean infants and their mothers. Methods This cross-sectional study was based on data on children aged 12–23 months and their mothers from 2010 to 2020. BF rates were compared between KNHANES V (2010–2012), KNHANES VI (2013–2015), KNHANES VII (2016–2018), and part of KNHANES VIII (2019–2020). In addition, data related to mothers and infants, including demographics, socioeconomic, educational, and health status, were collected, and their association with BF status was analyzed. Results Of the 933 infants included in the study, the proportions achieving full BF at 6 months of age and PBF at 12 and 18 months were 34.8%, 33.7%, and 7.1%, respectively. Over the past 10 years, the trends of all three BF practices have significantly decreased since 2016 ( P < 0.001). Of the 849 infants whose maternal data were available, multiple logistic regression analysis showed that EBF for 6 months (defined as full BF at 1, 3, and 6 months of age) positively correlated with maternal and infants’ factors such as unemployed status, past BF experience, no history of drinking, and infants’ birth weight of ≥ 2.5 kg. The mother’s education level, particularly the nutrition label impact, current employment status, and smoking and drinking status, were significantly associated with PBF for ≥ 12 months but were not related to PBF for ≥ 18 months, except for drinking status. Conclusions In Korea, the long-term BF rate of ≥ 12 months has declined in the past 10 years, and BF becomes rare after 18 months. Higher maternal interest in nutrition information appears to be driving access to PBF over 12 months than EBF for 6 months or PBF over 18 months. To promote PBF over 12 months in Korea, it may be helpful to strengthen nutrition education that specifically emphasizes the benefits of PBF along with EBF, especially during infant health examinations.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The Current Status of Prolonged Breastfeeding and Its Related Factors in Korean Infants and Their Mothers: A Nationwide Cross-Sectional Study

Hong

Chang

2023

J Korean Med Sci

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“…The family tree database provides details on family relationships and degree of kinship (grandparents, parents, offspring, full siblings, and spouses) for the entire population, which was created using a new family code system, health insurance eligibility, and resident register data. The methods for constructing the database have been described previously, in which parents and grandparents are matched for more than 95% of those who were born between 2010 and 2017 22 .…”

Section: Methodsmentioning

confidence: 99%

Association between familial aggregation of chronic kidney disease and its incidence and progression

Kim

Chun

Lim

et al. 2023

Sci Rep

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This study aimed to examine the association between familial aggregation of chronic kidney disease (CKD) and risk of CKD development and its progression. This nationwide family study comprised 881,453 cases with newly diagnosed CKD between 2004 and 2017 and 881,453 controls without CKD matched by age and sex, using data from the Korean National Health Insurance Service with linkage to the family tree database. The risks of CKD development and disease progression, defined as an incident end-stage renal disease (ESRD), were evaluated. The presence of any affected family member with CKD was associated with a significantly higher risk of CKD with adjusted ORs (95% CI) of 1.42 (1.38–1.45), 1.50 (1.46–1.55), 1.70 (1.64–1.77), and 1.30 (1.27–1.33) for individuals with affected parents, offspring, siblings, and spouses, respectively. In Cox models conducted on patients with predialysis CKD, risk of incident ESRD was significantly higher in those with affected family members with ESRD. The corresponding HRs (95% CI) were 1.10 (1.05–1.15), 1.38 (1.32–1.46), 1.57 (1.49–1.65), and 1.14 (1.08–1.19) for individuals listed above, respectively. Familial aggregation of CKD was strongly associated with a higher risk of CKD development and disease progression to ESRD.

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“…The definitions of these comorbidities were validated by previous studies based on an NHIS National Sample Cohort. 38 , 39 …”

Section: Methodsmentioning

confidence: 99%

Association of Chronic Kidney Disease With Atrial Fibrillation in the General Adult Population: A Nationwide Population‐Based Study

Kim

Jeong

Kim

et al. 2023

JAHA

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Background The incidences of atrial fibrillation (AF) and chronic kidney disease (CKD) are increasing, and AF is prevalent in patients with CKD. However, few studies have investigated the incidence or association of AF in a large CKD population from a longitudinal study. Methods and Results From a nationwide cohort, a total of 4 827 987 Korean individuals without prior AF, who received biennial health checkups provided by the National Health Insurance Service between 2009 and 2012 in Korea, were analyzed. Incidence of AF was ascertained through the end of 2018. During a median follow‐up of 8.1 years, the annual incidence rate of AF was 1.17 per 1000 person‐years among subjects without CKD, 1.55 for stage 1 CKD, 1.86 for stage 2 CKD, 2.1 for stage 3 CKD, and 4.33 for stage 4 CKD. In Fine‐Gray regression models, CKD was associated with an increased risk of AF; the adjusted hazard ratios and 95% CIs of AF occurrence were 1.77 (1.69–1.85), 1.85 (1.80–1.91), 1.99 (1.95–2.04), and 4.04 (3.07–5.33) in individuals with CKD stages 1, 2, 3, and 4, respectively, compared with non‐CKD. The association between CKD and incident AF remained statistically significant after adjustment for multiple confounding factors and was consistent across subgroups stratified by sex and age. Conclusions CKD is associated with an increased incidence of AF. Even mild CKD is associated with incident AF, and there was a stepwise increase in the risk of incident AF with a decrease in renal function.

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Family tree database of the National Health Information Database in Korea

Cited by 8 publications

References 5 publications

The Current Status of Prolonged Breastfeeding and Its Related Factors in Korean Infants and Their Mothers: A Nationwide Cross-Sectional Study

The Current Status of Prolonged Breastfeeding and Its Related Factors in Korean Infants and Their Mothers: A Nationwide Cross-Sectional Study

Association between familial aggregation of chronic kidney disease and its incidence and progression

Association of Chronic Kidney Disease With Atrial Fibrillation in the General Adult Population: A Nationwide Population‐Based Study

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