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Original Article
Epidemiological characteristics of varicella outbreaks in the Republic of Korea, 2016–2020
Eun-Young Kim, Chungmin Park, Gyehee Lee, Suyeon Jeong, Jeongsuk Song, Dong-Han Lee
Osong Public Health Res Perspect. 2022;13(2):133-141.   Published online April 26, 2022
DOI: https://doi.org/10.24171/j.phrp.2022.0087
  • 714 View
  • 37 Download
AbstractAbstract PDF
Objectives
We described the trends and epidemiological characteristics of varicella outbreaks from 2016 to 2020 in the Republic of Korea. Methods: We investigated variables such as the outbreak setting, age of patients, vaccination status, and lesion count. The collected data were analyzed with the Cochrane-Armitage trend test and Kruskal-Wallis test. These statistical tests were performed using R ver. 4.0.3. Results: The number of varicella outbreaks increased from 2016 to 2018; however, after a slight decrease in the number of outbreaks in 2019, the number fell sharply in 2020. The median size of outbreaks decreased from 8 to 9 cases during 2016−2019 to 6 cases in 2020. The median duration of outbreaks was 18 days during 2016−2017, 28 days in 2018, 29 days in 2019, and 15 days in 2020. Varicella outbreaks occurred most frequently in elementary schools, and vaccination coverage of patients increased from 89.4% in 2016 to 97.2% in 2019. The median age of patients with outbreak-related varicella decreased from 8 years in 2016 to 6 years in 2020. Conclusion: Significant changes were observed in the age of patients with outbreak-related varicella. Ongoing monitoring of varicella outbreaks should be conducted. Further research will be needed to measure the disease burden of varicella and enable evidence-based policy decisions.
Review Article
Severe acute respiratory syndrome coronavirus 2 and respiratory syncytial virus coinfection in children
Milad Zandi, Saber Soltani, Mona Fani, Samaneh Abbasi, Saeedeh Ebrahimi, Ali Ramezani
Osong Public Health Res Perspect. 2021;12(5):286-292.   Published online October 1, 2021
DOI: https://doi.org/10.24171/j.phrp.2021.0140
  • 3,028 View
  • 124 Download
AbstractAbstract PDF
Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which has infected many people around the world. Children are considered an important target group for SARS-CoV-2, as well as other viral infections such as respiratory syncytial virus infection. Both SARS-CoV-2 and respiratory syncytial virus can affect the respiratory tract. Coinfection of SARS-CoV-2 and respiratory syncytial virus can pose significant challenges in terms of diagnosis and treatment in children. This review compares the symptoms, diagnostic methods, and treatment of COVID-19 and respiratory syncytial virus infection in children.
Original Article
The current status of sexually transmitted infections in South Korean children in the last 10 years
Yumi Jang, Eunjung Oh
Osong Public Health Res Perspect. 2021;12(4):230-235.   Published online August 4, 2021
DOI: https://doi.org/10.24171/j.phrp.2021.0046
  • 2,555 View
  • 85 Download
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Objectives
This study aimed to determine the status of sexually transmitted infections (STIs) in children in South Korea between 2010 and 2019), as well as to establish preventive maintenance guidelines to reduce the incidence of STIs in children.
Methods
Data reports from 590 STI surveillance systems in community clinics, hospital-level medical institutions with urology or obstetrics/gynecology departments and public hospitals between 2010 and 2019 in the integrative disease management system of the Korea Disease Control and Prevention Agency as of December 2020 were analyzed.
Results
A total of 172,645 cases of STIs were reported over the 10-year period (2010–2019), of which 2,179 cases (1.26%) represented STIs in children below the age of 18 years. A higher incidence of infections was observed in girls (1,499 cases, 68.79%) than in boys (680 cases, 31.21%). The STIs that had the highest incidence were, in descending order, chlamydia (997 cases, 45.75%), gonorrhea (592 cases, 27.17%), genital warts (338 cases, 15.51%), genital herpes (250 cases, 11.47%), and chancroid (2 cases, 0.09%). In adolescents aged 14 to 17 years, chlamydia, genital herpes, and gonorrhea were most frequently reported. Genital warts, in particular, have been consistently reported in children below the age of 14 years.
Conclusion
Children must be protected legally and institutionally from sexual abuse. Specific management protocols for STIs in children must be established by local governments and associated organizations. National human papillomavirus vaccination programs should be expanded to include boys, and anti-STI educational efforts using modern media should be implemented.
Short Communication
Socio-demographic disparities in the eating behaviour of Malaysian children during the COVID-19 lockdown
Sabrina Premila Joseph Louis, Tan Seok Tyug
Osong Public Health Res Perspect. 2021;12(3):196-199.   Published online May 26, 2021
DOI: https://doi.org/10.24171/j.phrp.2021.0053
  • 3,392 View
  • 108 Download
  • 3 Citations
AbstractAbstract PDF
Objectives
This cross-sectional study aimed to investigate the eating behaviour of Malaysian children aged 2 to 11 years old during the Movement Control Order (MCO) due to the coronavirus disease 2019 pandemic.
Methods
A total of 204 Malaysian parents of children aged 2 to 11 years old were recruited for this study using a combination of purposive and snowball sampling approaches. Parents were required to fill an online questionnaire hosted on Google Forms, which consisted of socio-demographic characteristics (including child’s gender, age, and ethnicity, as well as parental income during the MCO) and a 35-item list from the Children’s Eating Behaviour Questionnaire (CEBQ). Data analysis was conducted by further stratifying the children's eating behaviour according to socio-demographic characteristics.
Results
No significant differences were observed in the eating behaviour of the children across age and parental income groups during the MCO. Malaysian Indian children had significantly lower mean scores for the food responsiveness (2.50±0.64) and emotional over-eating (2.13±0.72) subscales than Malaysian Chinese children. Girls had a significantly higher mean score for the slowness in eating subscale during the MCO than boys.
Conclusion
Children’s eating behaviour were comparable across socio-demographic characteristics. Nonetheless, the findings of the current study provide an overview of Malaysian children's eating behaviour during the MCO.
Original Articles
Secondhand Smoking Among Children in Rural Households: A Community Based Cross-Sectional Study in Bangladesh
Rishad Choudhury Robin, Narongsak Noosorn, Sheikh Mohammad Alif
Osong Public Health Res Perspect. 2020;11(4):201-208.   Published online August 31, 2020
DOI: https://doi.org/10.24171/j.phrp.2020.11.4.09
  • 4,753 View
  • 67 Download
  • 3 Citations
AbstractAbstract PDF
Objectives

This study aimed to determine the factors associated with reducing exposure to secondhand smoke among children in households of rural Bangladesh.

Methods

A cross-sectional study of 410 smokers and non-smokers, in 6 villages of Munshigonj district was conducted. Data were collected randomly using a self-administrative questionnaire. Differences between variables were assessed using Chi-square or Fisher’s exact test (as appropriate). Univariate and multivariate logistic regression models were used to investigate associations. All results were presented as unadjusted and adjusted odds ratios with a 95% confidence interval. The level of statistical significance was reached when p < 0.05.

Results

A smoker in the household was determined to be a risk factor associated with exposure of other household members to secondhand smoke (p < 0.001). Higher education, strict implementation of household smoke-free rules, a higher influence of social norms and culture, as well as moderate knowledge on exposure to secondhand smoke were considered as preventive factors associated with exposure of others in the home to secondhand smoke.

Conclusion

Exposure to secondhand smoke is an extensive and preventable risk factor for children, and reducing exposure to secondhand smoke will have a largely positive effect in the community. An effective public health intervention model may reduce secondhand smoking.

Risk Factors in Early Life for Preschool Children in Korea that are Associated with Being Overweight or Obese
Jin Suk Ra, Hyun Jung Yun
Osong Public Health Res Perspect. 2020;11(1):15-26.   Published online February 28, 2020
DOI: https://doi.org/10.24171/j.phrp.2020.11.1.04
  • 3,629 View
  • 114 Download
  • 1 Citations
AbstractAbstract PDF
Objectives

The present study addressed the risk factors in early life for Korean preschool children that are associated with being overweight or obese.

Methods

A descriptive cross-sectional design was used to conduct this study, which included 507 mothers with preschool children aged 3–5 years, who attended daycare centers. Data were acquired via a self-administered questionnaire completed by the mothers. Of the 650 questionnaires that were distributed, 507 (78%) were completed and sent back. Multivariate logistic regression analyses were used to identify risk factors in early life, which may contribute to being overweight or obese in preschool children.

Results

Fifty-eight (11.4%) preschool children were overweight and 41 (8.1%) were obese. Multivariate logistic regression analysis with adjustment for covariates, revealed a significant association with the introduction of solid foods before 4 months of age [adjusted odds ratio (aOR) = 9.49, p = 0.029] and a nonresponsive feeding style (aOR = 2.80, p = 0.043) with being overweight or obese in preschool children.

Conclusion

The findings of this study highlighted the need for parenting education programs on feeding practices to increase their understanding of hunger and satiety cues in infants, and appropriate timing for the introduction of solid foods.

Perceived Psychological Traumatic Childbirth in Iranian Mothers: Diagnostic Value of Coping Strategies
Sedigheh Abdollahpour, Seyed Abbas Mousavi, Habibollah Esmaily, Ahmad Khosrav
Osong Public Health Res Perspect. 2019;10(2):72-77.   Published online April 30, 2019
DOI: https://doi.org/10.24171/j.phrp.2019.10.2.05
  • 19,739 View
  • 36 Download
  • 2 Citations
AbstractAbstract PDF
Objectives

The aim of this study was to investigate the diagnostic value of a stress coping scale for predicting perceived psychological traumatic childbirth in mothers.

Methods

This cross-sectional study was performed on 400 new mothers (within 48 hours of childbirth). Psychological traumatic childbirth was evaluated using the 4 diagnostic criteria of Diagnostic and Statistical Manual of Mental Disorders. Coping was measured using Moss and Billings’ Stress Coping Strategies Scale.

Results

The overall mean score of stress coping was 29 ± 14.2. There were 193 (43.8%) mothers that had experienced a psychological traumatic childbirth. A stress coping score ≤ 30, with a sensitivity of 90.16 (95% CI = 85.1–94.0), and a specificity of 87.44 (95% CI = 82.1–91.6), was determined as a predictor of psychological traumatic childbirth. So that among mothers with stress coping scores ≤ 30, 87% had experienced a psychological traumatic childbirth.

Conclusion

Investigating the degree of coping with stress can be used as an accurate diagnostic tool for psychological traumatic childbirth. It is recommended that during pregnancy, problem-solving and stress management training programs be used as psychological interventions for mothers with low levels of stress control. This will ensure that they can better cope with traumatic childbirth and post-traumatic stress in the postpartum stage.

Nutritional Status of Indonesian Children in Low-Income Households with Fathers that Smoke
Maria Wijaya-Erhardt
Osong Public Health Res Perspect. 2019;10(2):64-71.   Published online April 30, 2019
DOI: https://doi.org/10.24171/j.phrp.2019.10.2.04
  • 18,798 View
  • 181 Download
  • 3 Citations
AbstractAbstract PDF
Objectives

This study compared the nutritional status of children in low-income households in Indonesia whose fathers were either cigarette smokers or non-smokers.

Methods

A cross sectional study of 482 children aged 2–6 years was conducted, stratified by whether the fathers were non-smoking (n = 138) or smoking (n = 340). Mothers and smoking fathers were interviewed about socioeconomic status and cigarette expenditure, respectively. The nutritional status of children was defined by weight-for-age, height-for-age and weight-for-height.

Results

Both groups had similar income. Households with a father that smoked, spent 16.6% of their income on cigarettes. Children whose fathers did not smoke had higher height-for-age (−1.99 vs. −2.25 Z-score, p = 0.02) than children whose fathers smoked. Weight-for-age in children with fathers that did not smoke was greater (−1.49 vs. −1.64 Z-score) but not statistically significantly different to those children with fathers that smoked, nor was child weight-for-height (−0.46 vs. −0.45 Z-score). The prevalence of stunted growth was higher in the children with a father that smoked compared with those that had a father did not smoke (62.2 vs. 49.6%, p = 0.07, respectively). There were 28.3% of children underweight in homes where the fathers did not smoke, and 35.6% in households where the father smoked (p = 0.11). Wasting was observed in 4.4% children where fathers did not smoke and 4.7% where fathers did smoke.

Conclusion

With similar income constraints, the degree of height growth faltering was less in children whose fathers did not smoke, compared to those whose fathers did smoke.

Prevalence of Fecal Carriage of CTX-M-15 Beta-Lactamase-Producing Escherichia coli in Healthy Children from a Rural Andean Village in Venezuela
María Araque, Indira Labrador
Osong Public Health Res Perspect. 2018;9(1):9-15.   Published online December 31, 2017
DOI: https://doi.org/10.24171/j.phrp.2018.9.1.03
  • 3,352 View
  • 41 Download
  • 8 Citations
AbstractAbstract PDF
Objectives

Antimicrobial resistant extended-spectrum-β-lactamase-producing Enterobacteriaceae (ESBL-PE) have been shown to be present in healthy communities. This study examined healthy children from the rural Andean village of Llano del Hato, Mérida, Venezuela, who have had little or no antibiotic exposure to determine the prevalence of fecal carriage of ESBL-producing Escherichia coli (ESBL-EC).

Methods

A total of 78 fecal samples were collected in healthy children aged from 1 to 5 years. ESBL-EC were selected in MacConkey agar plates with cefotaxime and further confirmed by the VITEK 2 system. ESBL were phenotypically detected and presence of bla genes and their variants were confirmed by molecular assays. Determination of phylogenetic groups was performed by PCR amplification. Risk factors associated with fecal carriage of ESBL-EC-positive isolates were analyzed using standard statistical methods.

Results

Of the 78 children studied, 27 (34.6%) carried ESBL-EC. All strains harbored the blaCTX-M-15 allele. Of these, 8 were co-producers of blaTEM-1, blaTEM-5, blaSHV-5 or blaSHV-12. Co-resistance to aminoglycosides and/or fluoroquinolones was observed in 9 strains. 51.9% of ESBL-EC isolates were classified within phylogroup A. A significant, positive correlation was found between age (≥2.5 – ≤5 years), food consumption patterns and ESBL-EC fecal carriage.

Conclusion

This is the first study describing the high prevalence of fecal carriage of ESBL-EC expressing CTX-M-15- among very young, healthy children from a rural Andean village in Venezuela with scarce antibiotic exposure, underlining the importance of this population as a reservoir.

Childhood Obesity Is a High-risk Factor for Hypertriglyceridemia: A Case-control Study in Vietnam
Nguyen Thi Hong Hanh, Le Thi Tuyet, Duong Thi Anh Dao, Yang Tao, Dinh-Toi Chu
Osong Public Health Res Perspect. 2017;8(2):138-146.   Published online April 30, 2017
DOI: https://doi.org/10.24171/j.phrp.2017.8.2.06
  • 2,506 View
  • 31 Download
  • 10 Citations
AbstractAbstract PDF
Objectives

To investigate the relationship between dyslipidemia and obesity status among Viet-namese adolescents.

Methods

In this case-control study, 282 adolescents (6–11 years), including 88 obese cases and 194 normal-weight controls, were recruited from a population-based cross-sectional study from two provinces in Vietnam. The anthropometric, blood lipid, and other laboratory test results of the study subjects were analyzed.

Results

Obese children tended to have more visceral fat (Pearson’s r = 0.795, p < 0.0001) than subcutaneous fat (Pearson’s r = 0.754, p < 0.0001), and this difference was associated with an increase in blood triglyceride level (Pearson’s r = 0.232, p < 0.05) and a strikingly high rate of hypertriglyceridemia (38.6%). We also found that birth weight and parental body mass index were related to the status of obesity among the study subjects. However, only birth weight was significantly higher in the obese group than in the normal weight group. These findings indicate the effect of prenatal nutrition on childhood obesity. Furthermore, high-birth weight children had a surprisingly high rate of obesity.

Conclusion

Together, our data suggest that obesity increased the risk for hypertriglyceridemia, which was, at least partially, due to prenatal nutrition.

Review Article
Prevalence of Enterobius vermicularis among Children in Iran: A Systematic Review and Meta-analysis
Mahmood Moosazadeh, Ghasem Abedi, Mahdi Afshari, Seif Ali Mahdavi, Fereshteh Farshidi, Elham Kheradmand
Osong Public Health Res Perspect. 2017;8(2):108-115.   Published online April 30, 2017
DOI: https://doi.org/10.24171/j.phrp.2017.8.2.02
  • 2,746 View
  • 52 Download
  • 7 Citations
AbstractAbstract PDF
Objectives

Enterobius vermicularis is a parasitic disease that is common in crowded areas such as schools and kindergartens. Primary investigations of electronic evidence have reported different prevalences of E. vermicularis in Iran. Therefore, we aimed to estimate the total prevalence of this infection among Iranian children using a meta-analysis.

Methods

Relevant studies were identified in national and international databases. We selected eligible papers for meta-analysis after investigating titles, abstracts, and full texts; assessing study quality; and applying inclusion/exclusion criteria. Data were extracted by two independent researchers. The results were combined using a random effects model in Stata v. 11 software.

Results

Among 19 eligible articles including 11,676 participants, the prevalences of E. vermicularis among all children, boys, and girls were 1.2%–66.1%, 2.3%–65.5%, and 1.7%–65.5%, respectively. Pooled prevalences (95% confidence interval) of E. vermicularis among all children, boys, and girls were 17.2% (12.6%–21.8%), 17.2% (12.6%–21.8%), and 16.9% (9.03%–24.8%), respectively.

Conclusion

This meta-analysis showed that a great majority of Iranian children are infected with E. vermicularis, possibly due to poor public health.

Original Articles
Perception of Childhood Obesity in Mothers of Preschool Children
Hae Ok Kim, Gyo Nam Kim, Euna Park
Osong Public Health Res Perspect. 2015;6(2):121-125.   Published online April 30, 2015
DOI: https://doi.org/10.1016/j.phrp.2015.01.007
  • 1,633 View
  • 36 Download
  • 6 Citations
AbstractAbstract PDF
Objectives
The purpose of this study was to identify the perception of childhood obesity in mothers of preschool children using Q methodology.
Methods
A total of 38 Q statements about childhood obesity were obtained from 41 participants. The QUANL PC program was used to analyze the results.
Results
There were three types of perception toward obesity in mothers of preschool children: the “authoritative discipline type,” the “generous home meal focused type,” and the “home meal based on household financial situation type.”
Conclusion
The perception of mothers toward childhood obesity can affect the extent of maternal interaction with children or meal preparation for the family. Based on these results, it is necessary to plan specific programs according to the types of maternal perception toward childhood obesity.
The Influence of Dietary Patterns on the Nutritional Profile in a Korean Child Cohort Study
Hyeon-Jeong Choi, Hyojee Joung, Hye-Ja Lee, Han Byul Jang, Jae-Heon Kang, Jihyun Song
Osong Public Health Res Perspect. 2011;2(1):59-64.   Published online June 30, 2011
DOI: https://doi.org/10.1016/j.phrp.2011.04.007
  • 1,553 View
  • 14 Download
  • 12 Citations
AbstractAbstract PDF
Objectives
The aim of the present study was to identify the major dietary patterns of seven- and eight-year-old Korean children and to examine the relationship between dietary patterns and obesity, nutrient intake, and diet quality.
Methods
The subjects were 284 seven- and eight-year-old children who participated in the Gwacheon child cohort study. Three dietary patterns emerged from the factor analysis: Korean, modified Western, and Western. Cluster analysis was used to classify the subjects into two dietary groups: Korean and Western diet patterns.
Results
The two different dietary patterns were closely related to dietary quality which in turn was related to health risks. The Western diet group had a lower fiber intake, a higher intake of energy, fat and calcium and a higher dietary diversity score (DDS) than the Korean diet group. The number of days when fruit, milk and dairy products were omitted from the diet was higher for the Korean diet group than for the Western group.
Conclusions
Dietary patterns and related diet quality should be considered when designing nutrition policy and intervention programs for children.

PHRP : Osong Public Health and Research Perspectives