Analysis of the childhood fatal drowning situation in Bangladesh: exploring prevention measures for low-income countries

National estimates of mortality of unintentional drowning in China from 1990 to 2021 and its predicted level in the next decade: results from the global burden of disease study 2021

Background

It is reported that burden of unintentional drowning deaths is high in low- and middle-income countries. In recent decades, China has achieved remarkable economic growth and substantial advancements in infrastructure development; however, the understanding of the unintentional drowning burden in China has lagged behind. This article aims to provide an in-depth understanding of the current unintentional drowning situation in China.

Methods

Unintentional drowning from GBD 2021 was estimated for cause-specific mortality and, age, sex, and temporal trends from 1990 to 2021. In addition, we used decomposition analysis to quantify the drivers of changes in unintentional drowning from 1990 to 2021 and we also predicted the mortality of unintentional drowning in the next 10 years based on APC model.

Results

In 2021, the deaths attributable to unintentional drowning in China were 57554.02 (95% UI: 47463.15~69111.96), corresponding to age-standardized mortality rate (ASMR) of 4.12 (95% UI: 3.39 ~ 4.96) per 100,000 population. The mortality rate was relatively high among children aged 0-10 years and individuals aged 60 years and above and the highest number of deaths were recorded in the age groups of <5 years (3753.78, 95% UI: 2834.88 ~ 4903.46), 5-9 years (4938.93, 95% UI: 4207.74 ~ 5751.58), and 10-14 years (4197.10, 95% UI: 3581.12 ~ 4819.72). The mortality of unintentional drowning was higher for males than females across all age groups. A decline in unintentional drowning mortality rates was observed from 1990 to 2021, with an average annual percentage change (AAPC) of -4.19%. Epidemiological changes were the primary contributors to the observed decline in unintentional drowning deaths (decreased by 124985.81). The ASMR of unintentional drowning would continue to decrease slowly at the national level and that the decreasing trends would be stable in the future.

Conclusion

From 1990 to 2021, the mortality rate of unintentional drowning in China showed a downward trend. Males, children under 10 years old, and older adult people aged 65 and above were identified as high-risk factors for drowning. The research findings emphasize the importance of continuing to strengthen data collection systems, identifying risk factors, and developing drowning prevention strategies tailored to China's national conditions.

The epidemiology and outcomes of hospitalized drowning in Thai children: a national data analysis 2015-2019

BACKGROUND

Drowning remains a common cause of death among children. However, the epidemiology and impact of drowning in Thailand was underexplored. This study aimed to analyze the epidemiology and clinical outcomes of pediatric drowning in Thailand and to determine the factors associated with the need for intubation and mortality.

METHODS

Data derived from the Thai healthcare delivery system for the period between 2015 and 2019 were used to examine the monthly admissions, mortality rates, length of hospital stay, and the number of patients who received endotracheal intubation. Multivariate logistic regression analysis was employed to identify the risk factors associated with the need for intubation and mortality.

RESULTS

Of the 4,911, 58.8% were under six years old, 63.5% were male, and 31.2% were from the Northeastern region. The majority drowned during April, which is the summer season in Thailand. Among these patients, 28.8% required intubation, with the highest proportion found in the 6-<12 years age group (35.9%). The independent risk factors for intubation were metabolic acidosis (adjusted odd ratio [aOR] 9.74; 95% confidence interval [CI] 7.14-13.29; p < 0.001) and pulmonary edema (aOR 5.82; 95%CI 3.92-8.65; p < 0.001). The overall mortality rate due to drowning was 12.6%. Factors significantly associated with mortality included in-hospital cardiac arrest (aOR 4.43; 95%CI 2.78-7.06; p < 0.001), and the presence of drowning-related complications, particularly renal failure (aOR 7.13; 95%CI 3.93-12.94; p < 0.001).

CONCLUSION

Drowning admissions and mortality were highest among male children under six years old, occurring mainly during the summer season. Significant factors associated with intubation requirement included metabolic acidosis and pulmonary edema. The mortality was significantly associated with in-hospital cardiac arrest and drowning-related complications, particularly renal failure.

TRIAL REGISTRATION

This is an observational study, does not include any intervention, and has therefore not been registered.

Child drowning and associated risk factors: Findings from a qualitative study in Bangladesh

Background

World Health Organization (WHO) has classified drowning as a major public health problem. The most vulnerable victims of drowning are children from low and middle-income countries. Previously, it was the primary cause of death among children aged between 1 and 17 years in Bangladesh.

Aims

This study explored the surrounding circumstances and associated factors of child drownings in Bangladesh.

Methods

A qualitative phenomenological approach has been used to conduct the study. Bangladesh was chosen as the study area, and data were gathered using a semi-structured, open-ended questionnaire. Using convenience and snowball sampling methods, we have collected data from Dhaka and seven additional districts in Bangladesh. We reached a total of 44 individuals, where 22 agreed to participate in an interview (face-to-face and online interviews). The remaining 22 participants were selected in two focus group discussions via the web platform "ZOOM cloud meeting."

Results

Our investigation revealed several factors associated with child drowning, including a lack of adequate parental supervision and monitoring, geographic locations and environment, seasonal factors, low living standards, peer pressure and risky behaviors, social stigma and prejudices, and natural disasters and calamities. According to our findings, a lower socioeconomic position is linked to a higher risk of nonfatal drowning. Moreover, this research also indicates a substantial nexus between child drowning fatalities and the socioeconomic conditions of the families of the victims.

Conclusion

The study adds to the existing body of knowledge by underlining the associated factors of child drowning fatalities in Bangladesh, which will aid in developing preventive policies. An essential aspect of any drowning prevention program for Bangladesh should be enhanced for community awareness of safe water rescue and resuscitation practices.

Epidemiology, clinical aspects, and management of pediatric drowning

Drowning is the third leading cause of injury death in the pediatric population worldwide, with incidence peaking among those aged 1-4 years and again in adolescence.The purpose of this commentary is to review the basic pathophysiology of drowninginjury and factors that affect the outcome, such as submersion and hypothermia. We also discuss principles of prehospital and in-hospital management, comprising resuscitation and stabilization, administration of oxygen and intravenous liquids, and central reheating.Even though the mortality rate has decreased in recent years, further investments and safety measures are needed to prevent child drowning deaths.

The application of the Haddon matrix in identifying drowning prevention solutions in the north of Iran

The application of the Haddon matrix in identifying drowning prevention solutions in the north of Iran is necessary. We dealt with drownings on three levels of prevention including before, during, and after the injury in northern Iran (Guilan province). This study aimed to investigate the use of Haddon's matrix in preventing three-level drowning cases before, during, and after the accident in the north of Iran. This qualitative study consisted of 9 focus groups with a sample size of 78 people including 48 nursing staff, 21 emergency medicine specialists, and 30 people from non-medical personnel (local community leaders, executive officials of relevant organizations, lifeguards, staff working in health centers, and families of victims). All group discussions were recorded and the questions were based on the focus group table. According to Haddon's table of results, the major risk group was the young and adolescent boys and more in the area of neglect in culture-building and education. In this study, the role of factors was investigated separately and the necessary solutions were presented that can be used as a scientific and practical basis to achieve the main goal of drowning prevention. These strategies require cross-sectoral collaboration, which seems to be a strong interaction with a greater focus on major risk groups to address deficiencies and prevent the recurrence of potential accidents. The study aimed to investigate the use of Haddon's matrix in the prevention of three-level drowning cases before the event, during the event, and after the event in northern Iran.

Effect of integrated intervention to prevent child drowning in rural areas of Guangdong, China: a cluster randomized controlled trial

BACKGROUND

Drowning is the leading cause of death for children under the age of 15 years in Guangdong Province, China. This serious public health issue also exists in low- and middle-income countries (LMICs), which have few value-integrated intervention programs. The current study presents an integrated intervention project that aims to explore an effective pattern of prevention for child drowning in rural areas and feasibility to perform in other LMICs.

METHODS

We conducted a cluster randomized controlled trial by comparing the incidence of non-fatal drowning among children in two groups in rural areas of southern China. We recruited the participants in two phases and reached a total of 10 687 students from 23 schools at two towns in Guangdong Province, China. At the first and second phases, 8966 and 1721 students were recruited, respectively.

RESULTS

The final evaluation questionnaires were collected after 18 months of integrated intervention, where we obtained 9791 data from Grades 3-9. The incidence of non-fatal drowning between the intervention and control groups after intervention did not differ significantly from the baseline according to the total number of students, male students, female students and Grades 6-9 [0.81; 95% confidence interval (CI): [0.66, 1.00]; p = 0.05, 1.17; 95% CI: [0.90, 1.51]; p = 0.25, 1.40; 95% CI: [0.97, 2.02]; p = 0.07 and 0.97; 95% CI: [0.70, 1.34]; p = 0.86], except for Grades 3-5 (1.36; 95% CI: [1.02, 1.82]; p = 0.037). The study observed a significantly positive benefit of awareness and risk behaviours of non-fatal drowning between the intervention and control groups (0.27, 95% CI: [0.21, 0.33]; p = 0.00, -0.16; 95% CI: [-0.24, -0.08]; p = 0.00).

CONCLUSIONS

The integrated intervention exerted a significant impact on the prevention and management of child non-fatal drowning, especially in rural areas.

The concordance game: A simple tool to estimate breath hold swimming performance and to teach dynamic apnea

Introduction

Swimming is composed of several phases. One of them is done underwater in apnea. Although this phase takes an important part of the performance, it is not taught much because of the risk it entails. At the same time, learning apnea can reduce the fear of immersion and, thus, reduce the number of drownings. The pedagogy used in this paper comes from game theory. This paper tested an apnea game based on the agreement between self-prediction and realization of the task.

Methods

Considering the preliminary level of the 33 sports students involved, the game offered two choices: swimming apnea over 15 or 20 m with a distribution of payoffs depending on the actual achievement (15 m estimated and less than 20 m performed = + 3 points; 15 m estimated and at least 20 m realized = + 1 points; 20 m predicted and less than 20 m realized = + 2 points; 20 m estimated and at least 20 m realized = + 4 points).

Results and discussion

Concordance was favored over discordance, including in the swimmer’s comfort zone (15 m). Throughout six apneas the results showed that the structure of this game supports the improvement of the estimation of the distances swum. The “Concordance Game” could be offered in Physical Education or in a sports club to learn to swim a longer distance below the surface without forcing.

A South African Epidemiological Study of Fatal Drownings: 2016-2021

Drowning is a serious public health concern. Low-and-middle-income countries are the most affected by drowning, as they carry 90% of the global drowning burden. The purpose of this retrospective epidemiological study is to provide an overview of fatal drownings in South Africa between 2016 and 2021. The data used for the study were obtained from the South African Police Service. Descriptive statistics were used to summarize the data. Statistical analyses included a t-test and chi-square test. The results indicate that the average number of fatal drownings per annum is 1477 in South Africa, with an average drowning rate of 2.54 per 100,000 population for the period 2016 to 2021. The KwaZulu-Natal province had the highest incidence of drowning. The 0-4-year-age group has the highest prevalence of drowning among all the age categories. More males drowned in South Africa compared to females.

Non-Fatal Drowning Risk Prediction Based on Stacking Ensemble Algorithm

Drowning is a major public health problem and a leading cause of death in children living in developing countries. We seek better machine learning (ML) algorithms to provide a novel risk-assessment insight on non-fatal drowning prediction. The data on non-fatal drowning were collected in Qingyuan city, Guangdong Province, China. We developed four ML models to predict the non-fatal drowning risk, including a logistic regression model (LR), random forest model (RF), support vector machine model (SVM), and stacking-based model, on three primary learners (LR, RF, SVM). The area under the curve (AUC), F1 value, accuracy, sensitivity, and specificity were calculated to evaluate the predictive ability of the different learning algorithms. This study included a total of 8390 children. Of those, 12.07% (1013) had experienced non-fatal drowning. We found the following risk factors are closely associated with the risk of non-fatal drowning: the frequency of swimming in open water, distance between the school and the surrounding open waters, swimming skills, personality (introvert) and relationality with family members. Compared to the other three base models, the stacking generalization model achieved a superior performance in the non-fatal drowning dataset (AUC = 0.741, sensitivity = 0.625, F1 value = 0.359, accuracy = 0.739 and specificity = 0.754). This study indicates that applying stacking ensemble algorithms in the non-fatal drowning dataset may outperform other ML models.

Simulation-Based Drone Assisted Search Operations in a River

INTRODUCTION

Drones can transmit live video and geographic coordinates during the planning stages for search and rescue operations and the operations themselves. There are few simulation studies in which drones provided rescue support. However, the literature does not contain any simulation studies involving the use of drones to locate lost "victims" represented by dummies in rivers. We developed a simulation model to compare the first visual contact times for drone-assisted search techniques (DAST) and classic search techniques (CST).

METHODS

In this prospective experimental simulation study, we used both DAST and CST to perform a series of river searches for unconscious victims (represented by dummies). We calculated the first visual contact times, total scanned area, scanned area per minute, flight-walking distances, and flight-walking speeds and compared the results between both groups. The data are presented as mean±SD.

RESULTS

We performed 20 search and rescue operations, 10 with the CST and 10 with the DAST. The time to reach the victim was 823±177 s using CST and 80±14 s using DAST. The area scanned by unit time was 3091±54 m²·min^-1 using CST and 22,640±1622 m²·min^-1 using DAST.

CONCLUSIONS

The drone-assisted search technique located a simulated victim drifting in a river faster than the classic search technique. The use of drones in search and rescue operations could improve the time to find victims.

Early application of non-invasive ventilation for children with pulmonary edema after drowning

BACKGROUND

The present study aimed to assess the efficacy of non-invasive ventilation (NIV) on the clinical course, oxygenation, need for invasive mechanical ventilation (IMV), and outcomes for children with pulmonary edema after drowning.

METHODS

We conducted a retrospective chart review. Children who were referred to the pediatric emergency department due to drowning-related pulmonary edema and underwent NIV between May 2014 and October 2020 were included. Demographics, vital signs, clinical findings, and results of laboratory and radiologic investigations were recorded. Patients were divided into six groups using the Szpilman classification system. The need for IMV, the need for pediatric intensive care unit admission, and the length of NIV treatment and stay in the pediatric intensive care unit were recorded for each patient.

RESULTS

Twenty-five patients were enrolled. According to the Szpilman classification, 13 (52.0%) patients were evaluated as grade 3 and 12 (48.0%) as grade 4. All patients were treated with bi-level positive airway pressure in the spontaneous / timed mode. A significant increase in oxygen saturation (SpO₂) and SpO₂/fraction of inspired oxygen ratios was observed from the beginning of NIV treatment and this increase was also observed for the second and fourth hours. There was a decrease in respiratory rate at the fourth hour of NIV treatment. No patient subsequently deteriorated to require IMV.

CONCLUSIONS

We have reported a favorable clinical course of drowning patients who underwent early use of NIV in the pediatric emergency department. Management of drowning patients with pulmonary edema by NIV with close follow-up can be successfully applied in selected cases.

Cost-effectiveness analysis of a large-scale crèche intervention to prevent child drowning in rural Bangladesh

Background

Drowning is the leading cause of death among children 12–59 months old in rural Bangladesh. This study evaluated the cost-effectiveness of a large-scale crèche (daycare) intervention in preventing child drowning.

Methods

The cost of the crèches intervention was evaluated using an ingredients-based approach and monthly expenditure data collected prospectively throughout the study period from two agencies implementing the intervention in different study areas. The estimate of the effectiveness of the crèches intervention was based on a previous study. The study evaluated the cost-effectiveness from both a program and societal perspective.

Results

From the program perspective the annual operating cost of a crèche was $416.35 (95% CI: $221 to $576), the annual cost per child was $16 (95% CI: $8 to $23), and the incremental-cost-effectiveness ratio (ICER) per life saved with the crèches was $17,008 (95% CI: $8817 to $24,619). From the societal perspective (including parents time valued) the ICER per life saved was − $166,833 (95% CI: − $197,421 to − $141,341)—meaning crèches generated net economic benefits per child enrolled. Based on the ICER per disability-adjusted-life years averted from the societal perspective (excluding parents time), $1978, the crèche intervention was cost-effective even when the societal economic benefits were ignored.

Conclusions

Based on the evidence, the crèche intervention has great potential for generating net societal economic gains by reducing child drowning at a program cost that is reasonable.

Supplementary Information

The online version contains supplementary material available at 10.1186/s40621-021-00351-9.

The Influence of Equipment and Environment on Children and Young Adults Learning Aquatic Skills

Learning aquatic skills is an important component of developing physical literacy in children. Aquatic skills such as floating, swimming and safe entry/exit promote engagement in different water environments and may help preserve lives in an emergency. This scoping review was conducted to evaluate the influence of task constraints (i.e., equipment) and environmental constraints (i.e., physical and social) on how children learn foundational aquatic skills. In developed countries, children are typically taught in swimming pools under direct supervision. It is also not uncommon to see children and infants learning to swim with assistive equipment (e.g., buoyancy aids). However, perhaps surprisingly, the evidence on how and where children learn aquatic skills does not uniformly promote such practices. For example, the use of flotation devices has not been proven to aid skill learning. Some researchers have advocated that children should learn aquatic skills whilst wearing outdoor clothing. One benefit of children wearing clothing is an increased capacity to practice in colder water (such as the ocean, rivers, or lakes). Overall, whilst practitioners often use equipment for various reasons it seems that not all equipment is equally useful in promoting the acquisition of aquatic skills. In less developed countries, with limited access to swimming pools and fewer resources for private instruction, a range of different open water aquatic environments and practices, such as swimming in temporarily flooded areas, have been reported. Such strategies are in urgent demand of further research given that drowning rates in less developed countries around the world exceed those in developed nations. It can be argued that learning in pools does not afford the opportunities to develop the whole range of adaptive skills that may be required in different open water environments such as navigating currents and waves, floating whilst clothed, or making life-saving decisions. Consequently, a shift toward teaching in open water environments has occurred in several countries. This review provides an evidence-base upon which practitioners can design more effective aquatic education programs for children.

Drowning prevention: turning the tide on a leading killer

Drowning is a leading killer, particularly of children and young adults, yet has been greatly neglected. Despite accounting for a higher number of deaths than many other substantial public health issues, drowning has not benefitted from the targeted attention it requires, which is particularly tragic because low cost and effective drowning prevention interventions exist. Therefore, the recent UN General Assembly's adoption of a resolution on global drowning prevention is a historic first, and offers an exciting opportunity by providing a comprehensive framework and a practical roadmap that a range of actors and sectors, including governments, can follow to address the challenge of drowning prevention.

Can child drowning be eradicated? A compelling case for continued investment in prevention

AIM

To explore temporal trends in fatal child drowning and benchmark progress across three high-income countries to provide prevention and future investment recommendations.

METHODS

A total population analysis of unintentional fatal drownings among 0- to 19-year-olds in Australia, Canada and New Zealand from 2005 to 2014 was undertaken. Univariate and chi-square analyses were conducted, age- and sex-specific crude rates calculated and linear trends explored.

RESULTS

A total of 1454 children drowned. Rates ranged from 0.92 (Canada) to 1.35 (New Zealand) per 100 000. Linear trends of crude drowning rates show both Australia (y = -0.041) and Canada (y = -0.048) reduced, with New Zealand (y = 0.005) reporting a slight rise, driven by increased drowning among females aged 15-19 years (+200.4%). Reductions of 48.8% in Australia, 51.1% in Canada and 30.4% in New Zealand were seen in drowning rates of 0- to 4-year-olds. First Nations children drowned in significantly higher proportions in New Zealand (X²  = 31.7; P < .001).

CONCLUSION

Continual investment in drowning prevention, particularly among 0- to 4-year-olds, is contributing to a reduction in drowning deaths; however, greater attention is needed on adolescents (particularly females) and First Nation's children. Lessons can be learned from each country's approach; however, further investment and evolution of prevention strategies will be needed to fully eradicate child drowning deaths.

Day care as a strategy for drowning prevention in children under 6 years of age in low- and middle-income countries

BACKGROUND

Drowning is responsible for an estimated 320,000 deaths a year, and over 90% of drowning mortality occurs in low- to middle-income countries (LMICs), with peak drowning rates among children aged 1 to 4 years. In this age group, mortality due to drowning is particularly common in rural settings and about 75% of drowning accidents happen in natural bodies of water close to the home. Providing adequate child supervision can protect children from drowning, and organized formal day care programs could offer a way to achieve this.

OBJECTIVES

Primary objective • To assess the effects of day care programs for children under 6 years of age on drowning-related mortality or morbidity, or on total drowning accidents (fatal and non-fatal), in LMICs, compared to no day care programs or other drowning prevention interventions Secondary objectives • To assess the effects of day care programs in LMICs for children under 6 years of age on unsafe water exposure • To assess safety within these programs (e.g. transmission of infection within day care, physical or sexual abuse of children within day care) • To assess the incidence of unintentional injury within these programs • To describe the cost-effectiveness of such programs, in relation to averted drowning-related mortality or morbidity SEARCH METHODS: On November 23, 2019, and for an update on August 18, 2020, we searched MEDLINE (PubMed), Embase, CENTRAL, ERIC, and CINAHL, as well as two trial registries. On December 16, 2019, and for an update on February 9, 2021, we searched 12 other resources, including websites of organizations that develop programs targeted to children.

SELECTION CRITERIA

We included randomized, quasi-randomized, and non-randomized controlled studies (with explicitly listed specific study design features) that implemented formal day care programs as a single program or combined with additional out-of-day care components (such as educational activities aimed at preventing injury or drowning or early childhood development activities) for children of preschool age (below 6 years of age) in LMICs for comparison with no such programs or with other drowning prevention interventions. Studies had to report at least one outcome related to drowning or injury prevention for the children enrolled.

DATA COLLECTION AND ANALYSIS

Two review authors independently performed study selection and data extraction, as well as risk of bias and GRADE assessment.

MAIN RESULTS

Two non-randomized observational studies, conducted in rural Bangladesh, involving a total of 252,631 participants, met the inclusion criteria for this review. One of these studies compared a formal day care program combined with parent education, playpens provided to parents, and community-based activities as additional out-of-day care components versus no such program. Overall we assessed this study to be at moderate risk of bias (moderate risk of bias due to confounding, low risk of bias for other domains). This study showed that implementation of a formal day care program combined with parent education, provision of playpens to parents, and community-based activities, in a rural area with a high drowning incidence, likely reduces the risk of death from drowning over the study period of 4 years and 8 months compared to no day care program (hazard ratio 0.18, 95% confidence interval [CI] 0.06 to 0.58; 1 study, 136,577 participants; moderate-certainty evidence). Drowning morbidity (non-fatal drowning resulting in complications), total drowning (fatal and non-fatal), unsafe water exposure, and program safety (e.g. transmission of infection within day care, physical or sexual abuse of children within day care) were not reported, nor was the incidence of other unintentional injuries. Cost-effectiveness was reported as 812 USD (95% CI 589 to 1777) per disability-adjusted life-year averted as a consequence of drowning (moderate-certainty evidence). The second study compared day care programs with or without playpens provided to parents as an additional component versus only playpens provided to parents as an alternative drowning prevention intervention. Overall we assessed the study to be at critical risk of bias because we judged bias due to confounding to be at critical risk. As the certainty of evidence was very low, we are uncertain about the effects on drowning mortality rate of implementing a day care program compared to providing playpens (rate ratio 0.25, 95% CI 0.15 to 0.41; 1 study; 76,575 participants; very low-certainty evidence). Likewise, we are uncertain about the effects of a day care program with playpens provided as an additional component versus playpens provided alone (rate ratio 0.06, 95% CI 0.02 to 0.12; 1 study, 45,460 participants; very low-certainty evidence). The other outcomes of interest - drowning morbidity, total drowning, unsafe water exposure, program safety, incidence of other unintentional injuries, and cost-effectiveness - were not reported.

AUTHORS' CONCLUSIONS

This review provides evidence suggesting that a day care program with additional out-of-day care components such as community-based education, parent education, and playpens provided to parents likely reduces the drowning mortality risk in regions with a high burden of drowning compared to no intervention.

Preventing Child Drowning in the Philippines: The Need to Address the Determinants of Health

Drowning is a public health issue in the Philippines, with children at significantly increased risk. Determinants of health (DoH) such as education, socio-economic status, ethnicity, and urbanization are factors that impact drowning risk. As drowning is a multisectoral issue, a national drowning prevention plan can drive collaboration with relevant stakeholders. This study reports trends in unintentional child (0-14 years) drowning in the Philippines (incidence, rates, and trends over time for fatal and non-fatal (years lived with a disability (YLDs) and disability adjusted life years (DALYs) from 2008-2017 and conducts an analysis of the Philippines' Multisector Action Plan (MSAP) on Drowning Prevention. From 2008-2017, 27,928 (95%UI [Uncertainty Interval]: 22,794-33,828) children aged 0-14 years died from drowning (52.7% aged 5-14 years old). Rates of drowning have declined among both age groups, with greater reductions seen among 0-4 year olds (y = -0.3368x + 13.035; R² = 0.9588). The MSAP has 12 child drowning-specific activities and 20 activities were identified where DoH will need to be considered during development and implementation. The MSAP activities, and work done to prevent drowning more generally, must consider DoH such as education, urbanization, water and sanitation health, and safe water transportation. A national drowning surveillance system and investment in research in the Philippines are recommended.

A reappraisal of childhood drowning in a pediatric emergency department

BACKGROUND

In the present study, we aimed to investigate the demographic and clinical features, laboratory and radiologic characteristics, management, and outcomes of pediatric drowning patients in order to identify predictors of hospital admission, and to evaluate the need for respiratory support, and prognosis.

METHODS

In this retrospective chart review, children aged 0 to 18 years who presented to the pediatric emergency department due to drowning between July 2009 and September 2019 were included. Demographics, initial vital signs, clinical findings, laboratory and radiologic results, and the need for respiratory support or cardiopulmonary resuscitation in the emergency department were recorded. Subjects were divided into 6 groups using the Szpilman classification system.

RESULTS

A total of 89 patients were enrolled. Among the children who were admitted to the hospital, initial Szpilman score, crepitations on lung auscultation, and pathologic chest X-ray (CXR) findings were higher and Glasgow Coma Score and oxygen saturation (SpO 2) levels were lower than those of children who were discharged from the emergency department. A Szpilman score of ≥4, a lactate level of >2 mmol/L, and pathologic CXR findings were identified as predictors of hospital admission. Of the 89 patients, 22 (24.7%) underwent non-invasive ventilation (NIV) treatment and were classified as grade 3 or 4 according to the Szpilman score. Length of stay in the pediatric intensive care unit (PICU) and in the hospital was lower in patients who underwent NIV. As the Szpilman score increased as of grade 3, a positive correlation was observed with lactate levels (p <0.001, r: 0.552) and the total length of stay in the hospital (p: 0.001, r : 0.491), both of which gradually increased.

CONCLUSION

The Szpilman score was associated with the duration of hospital stay and the degree of hypoxia, so it could help the physician make rapid decisions on ventilation strategy. Application of NIV in the emergency department shortened the length of stay in the PICU and in the hospital, suggesting that it can be used more often in pediatric emergency settings.

Impact of community-based first responder development for the management of drowning casualties in rural areas of Bangladesh

BACKGROUND

Drowning is the leading cause of childhood death in Bangladesh. In order to minimize the number of casualties Centre for Injury Prevention and Research, Bangladesh (CIPRB) incorporated a 'first responder' program which includes Cardio Pulmonary Resuscitation (CPR), in community based drowning prevention program, SwimSafe. Along with swimming lessons, swimming instructors provide first responder services in the community. The objective of this study was to describe the results of the volunteer based first responder services for the management of drowned casualties between 2012 and 2015 in the rural communities of Bangladesh.

METHODS

Adolescents and youths who volunteered as community swimming instructors were trained as first responders to provide first aid and resuscitation in the community. Trainers from the International Drowning Research Centre Bangladesh (IDRC-B) of CIPRB delivered the training. The first responders were also trained on the documentation of the first responder services they provided in the community. The documented records were collected from the volunteers on a regular basis; when drowning cases were reported CIPRB management followed up with an in depth data collection, using a structured form.

RESULTS

2,305 community volunteers were trained between 2012 and 2015. Of them 1,461 reported providing first responder services among 6,773 casualties, including 184 drowning casualties. Of the drowning casualties, volunteers treated 31 casualties with Cardiopulmonary Resuscitation (CPR), 51 casualties by putting into the recovery position and 102 casualties were treated for the shock on site. Of those given CPR, 22 (71%) survived and 9 (29%) died. After receiving treatment from the first responder 104 (56.5%) of the drowning casualties were referred to health facilities for further treatment.

CONCLUSIONS

The training of community first responders seems to be an effective way of managing and reducing drowning causalities in countries like Bangladesh, where drowning is a significant public health hazard.

Biological constraints and socioecological influences on women's pursuit of risk and the sexual division of labour

Evolutionary treatments of women's work and the sexual division of labour derive from sexual selection theory and focus on an observed cross-cultural trend: tasks performed by women tend to be more compatible with childcare and produce less economic risk than tasks performed by men. Evolutionary models emphasize biological sex differences and opportunity costs to understand this pattern of behaviour, yet deviations remain poorly understood. We examine variation in women's work among Shodagor fisher-traders in Bangladesh with the goal of explaining such deviations related to women's work. First, we demonstrate that women's trading produces higher variance returns than men's work - a pattern not previously quantified. Next, we test predictions from the economy of scale model to understand the socioecological circumstances associated with trading. We suggest that relaxing model assumptions around biological constraints may elucidate key circumstances under which members of one gender should systematically engage in work that is incompatible with childcare and/or produces higher levels of economic risk. Results indicate that biological sex differences are insufficient to explain gendered patterns of behaviour but removal of childcare constraints and comparative advantages related to opportunity costs can explain adherence to and deviation from trends in women's work and the division of labour.

Medical care-seeking behaviours among drowning casualties: Results from a national survey conducted in Bangladesh

Objective

Despite the high magnitude of drowning, medical care-seeking behaviours among drowning casualties remain unexplored in Bangladesh. This study aimed to explore this behaviour among drowning casualties in Bangladesh.

Methods

A population-based cross-sectional study was conducted using a multi-stage cluster sampling method. Data were collected using a structured questionnaire from 299,216 rural and urban residents.

Results

From the survey, we found 191 drowning cases: 40.84% (n = 78) were fatal and 59.16% (n = 113) were non-fatal. Among the drowning cases, 71.2% (n = 136) were referred to healthcare providers, while 62.8% (n = 120) received medical care from different health service providers. Further analysis showed that 66.6% (n = 116) of children and 26.6% (n = 4) of adults sought healthcare. As many as 78.9% (n = 120/152) of rural residents sought healthcare, as compared to 61.5% (n = 24/39) of urban residents. Among all drowning casualties, 31.7% (n = 38) received healthcare from a qualified healthcare provider, whereas 68.3% (n = 82) received it from non-qual]ified healthcare providers. About 59 (49%) casualties received care from a pharmacy and 34 (28%) from a recognised hospital. The hospital admission rate for drowning was 11.7%. About 14 (11.7%) drowning casualties were brought to hospitals in motorised or non-motorised vehicles. As many as 97 (80.8%) patients sought healthcare attention and managed to survive.

Conclusion

A significant number of drowning casualties sought medical care from qualified and non-qualified healthcare providers. In Bangladesh, it is necessary to develop guidelines for providing medical care for drowning casualties.

The burden of unintentional drowning: global, regional and national estimates of mortality from the Global Burden of Disease 2017 Study

BACKGROUND

Drowning is a leading cause of injury-related mortality globally. Unintentional drowning (International Classification of Diseases (ICD) 10 codes W65-74 and ICD9 E910) is one of the 30 mutually exclusive and collectively exhaustive causes of injury-related mortality in the Global Burden of Disease (GBD) study. This study's objective is to describe unintentional drowning using GBD estimates from 1990 to 2017.

METHODS

Unintentional drowning from GBD 2017 was estimated for cause-specific mortality and years of life lost (YLLs), age, sex, country, region, Socio-demographic Index (SDI) quintile, and trends from 1990 to 2017. GBD 2017 used standard GBD methods for estimating mortality from drowning.

RESULTS

Globally, unintentional drowning mortality decreased by 44.5% between 1990 and 2017, from 531 956 (uncertainty interval (UI): 484 107 to 572 854) to 295 210 (284 493 to 306 187) deaths. Global age-standardised mortality rates decreased 57.4%, from 9.3 (8.5 to 10.0) in 1990 to 4.0 (3.8 to 4.1) per 100 000 per annum in 2017. Unintentional drowning-associated mortality was generally higher in children, males and in low-SDI to middle-SDI countries. China, India, Pakistan and Bangladesh accounted for 51.2% of all drowning deaths in 2017. Oceania was the region with the highest rate of age-standardised YLLs in 2017, with 45 434 (40 850 to 50 539) YLLs per 100 000 across both sexes.

CONCLUSIONS

There has been a decline in global drowning rates. This study shows that the decline was not consistent across countries. The results reinforce the need for continued and improved policy, prevention and research efforts, with a focus on low- and middle-income countries.

Childhood vulnerability to drowning in the Western Cape, South Africa: Risk differences across age and sex

INTRODUCTION

Drowning is amongst the leading causes of death of children and young people worldwide, with high concentrations in Southeast Asia and Sub-Saharan Africa. In the Western Cape province in South Africa, drowning mortality rates for children were reported at 3.8 per 100,000 population. Internationally, evidence suggests that unimpeded access to water bodies and containers and lapses in supervision together with the child's limited developmental capacities, place children at greater risk of drowning. This study examined the risk for fatal drowning by age cohort and sex in child and adolescent (0-19 years old) in the Western Cape.

METHOD

Demographic and descriptive data for child drowning fatalities from 2010 to 2016 were obtained from the Western Cape Forensic Pathology Service. Descriptive variables included location of drowning incident by body of water, time of day, day of week and season. Data were analysed by age cohorts aligned to child psychosocial developmental stages. Descriptive statistics reported fatality frequencies by age cohort and sex, and logistic regression was conducted to detect differences in drowning risk across these categories.

RESULTS

A total of 538 childhood drowning fatalities were analysed, with the highest proportion occurring in children aged 13-19 years (29.6%) and the majority occurring in males (75.8%). Sex, location of drowning incident and season were significant predictors of drowning across the age cohorts. Relative to females, males between ages 0-1 and 2-3 years were less likely to drown when compared with older children.

CONCLUSION

This study confirms existing evidence that children younger than five are most at risk of drowning. In contrast to international and local research findings that have indicated a similar or higher risk for drowning amongst boys compared with girls aged 3 years and younger, this study identified that males were less likely to drown between the ages of 0 and 3 years compared with girls.

Exploring children's participation in commercial swimming lessons through the social determinants of health

ISSUE ADDRESSED

Drowning is a public health challenge, disproportionately impacting children. Social determinants of health (SDH) such as socio-economic disadvantage and geographic isolation increase drowning risk. Swimming and water safety lessons, in part, have reduced drowning in children, while also enabling healthy aquatic participation. Research suggests that some Australian children receive insufficient swimming and water safety education and are not achieving essential skills.

METHODS

A cross-sectional retrospective analysis of swimming and water safety skills achieved by a cohort of children (5-12 years) attending commercial swimming lessons in three Australian states was undertaken. Variables included participant demographics (age, gender, and the SDH of socio-economic status [SES], and geographical remoteness) and skills being taught and achieved. Skills achieved were analysed against the National Swimming & Water Safety Framework and the National Benchmark.

RESULTS

Swim schools were more likely to teach freestyle (87%) and backstroke (83%); and less likely to teach water safety skills like treading water (53%), and survival backstroke (46%). Overall, 40% of 12-year-old children failed to achieve the National Benchmark of 50 metres freestyle, fewer were achieving minimum water safety skills. Children from low socio-economic areas and regional locations were less likely to be achieving 50 metres freestyle. Children in this study were commonly from major cities (94%) and of high socio-economic areas (53%).

CONCLUSIONS

Swimming lessons must incorporate a broad range of swimming and water safety competencies to ensure children have the skills required to reduce drowning, especially for those deemed at increased risk.

SO WHAT

Stakeholders must prioritise holistic drowning prevention education strategies, ensuring all children can access swimming and water safety programs regardless of their socio-economic status or geographical location.

Causes of distraction leading to supervision lapses in cases of fatal drowning of children 0-4 years in Australia: A 15-year review

AIM

Supervision is a strategy for preventing drowning among children. However, supervision lapses continue to be a contributory factor in child drowning. This study aims to identify, describe and analyse the causes of distraction leading to lapses in supervision in child drowning.

METHODS

A total population survey of all fatal unintentional drownings among children aged 0-4 years between 1 July 2002 and 30 June 2017 was undertaken using data from the Australian National Coronial Information System. Among closed coronial cases, causes of distraction leading to lapses in supervision were collected as free text from closed case documentation and subsequently thematically grouped into categories. Univariate and χ² analysis was undertaken (P < 0.01).

RESULTS

A total of 447 children drowned during the study period (62.0% male; 66.9% aged 1-2 years; 53.3% swimming pools; 79.4% falls into water). Of the 426 (95.3%) closed cases, common supervision lapses were due to indoor household duties (27.6%), outdoor household duties (12.6%) and talking/socialising (11.9%).

CONCLUSIONS

This study has identified common scenarios for distractions leading to supervision lapses including the link between indoor household duties and bathtub drowning deaths and talking/socialising for deaths in swimming pools and at rivers. Challenges include medical issues impacting sole carers. The 7% of cases where a supervision lapse occurred due to miscommunication are opportunities to further reinforce the need for a designated supervisor, particularly with two or more adults present. Study findings on distraction causes, and strategies to minimise them, should be incorporated into national public awareness campaigns aimed at parents and care givers of this at-risk group.

Predicting pool safety habits and intentions of Australian parents and carers for their young children

INTRODUCTION

Children under five years are most at risk of experiencing fatal and nonfatal drowning. The highest proportion of drowning incidents occur in private swimming pools. Lapses in adult supervision and failures in pool barriers are leading contributory factors for pool drowning in this age group.

METHODS

We investigated the role of the theory of planned behavior social cognitions (attitude, subjective norm, and perceived behavioral control) as well as perceived barriers, planning, role construction, and anticipated regret on parents' and carers' intentions and habits toward two pool safety behaviors: restricting access and supervising children around private swimming pools. The study adopted a cross-sectional correlational design. Participants (N = 509) comprised Australian parents or caregivers with children aged under five years and access to a swimming pool at their residence. Participants completed a battery of self-report measures of social cognitive variables with respect to the swimming pool safety behaviors for their children.

RESULTS

Path analytic models controlling for past behavior indicated that subjective norm, planning, anticipated regret, and role construction were important predictors of habit, and subjective norm was a consistent predictor of intentions, for both behaviors. Planning predicted intentions in the restricting access sample, while attitudes, barriers, and role construction also predicted intentions in the supervising sample. Both models controlled for past behavior.

CONCLUSION

Current findings indicate the importance of psychological factors for restricting access and supervising behaviors, with normative factors prominent for both reasoned (intentions) and non-conscious (habits) behavioral antecedents. It seems factors guiding restricting access, which likely require regular enactment of routine behaviors (e.g., ensuring gate is not propped open, pool fence meets standards), may be governed by more habitual than intentional processes.

Vulnerability to fatal drowning among the population in Southern Bangladesh: findings from a cross-sectional household survey

OBJECTIVES

This study aimed to determine the fatal drowning burden and associated risk factors in Southern Bangladesh.

SETTINGS

The survey was conducted in 39 subdistricts of all 6 districts of the Barisal division, Southern Bangladesh.

PARTICIPANTS

All residents (for a minimum 6 months prior to survey) of the Barisal division, Southern Bangladesh.

INTERVENTION/METHODS

A cross-sectional, divisionally representative household survey was conducted in all six districts of the Barisal division between September 2016 and February 2017, covering a population of 386 016. Data were collected by face-to-face interview with adult respondents using handheld electronic tablets. International Classification of Diseases (ICD)-v. 10 (ICD-10) Chapter XX: External causes of morbidity and mortality codes for drowning, W65-W74, X36-X39, V90, V92, X71 or X92, were used as the operational definition of a drowning event.

RESULTS

The overall fatal drowning rate in Barisal was 37.9/100 000 population per year (95% CI 31.8 to 43.9). The highest fatal drowning rate was observed among children aged 1-4 years (262.2/100 000/year). Mortality rates among males (48.2/100 000/year) exceeded that for females (27.9/100 000/year). A higher rate of fatal drowning was found in rural (38.9/100 000/year) compared with urban areas (29.3/100 000/year). The results of the multivariable logistic regression identified that the factors significantly associated with fatal drowning were being male (OR 1.7, 95% CI 1.2 to 2.3), aged 1-4 years (OR 3.0, 95% CI 1.4 to 6.4) and residing in a household with four or more children (four or more children OR 1.8, 95% CI 1.1 to 2.9; and five or more children OR 2.1, 95% CI 1.2 to 3.7).

CONCLUSION

Drowning is a public health problem, especially for children, in the Barisal division of Southern Bangladesh. Male gender, children 1-4 years of age and residing in a household with four or more children were associated with increased risk of fatal drowning events. The Barisal division demands urgent interventions targeted at high-risk groups identified in the survey.

Trends in the drowning mortality rate in Iran

OBJECTIVE

The WHO estimates the global incidence of death by drowning to be about 300 000 cases per year. The objective of this study was to estimate the trend in mortality due to drowning in all provinces of Iran in all age groups and both genders from 1990 to 2015.

STUDY DESIGN

The National and Subnational Burden of Diseases (NASBOD) project is a comprehensive project in Iran. It is based on the Global Burden of Disease study and includes novel methods to estimate the burden of diseases in Iran.

METHODS

This study used the results of the mortality rate due to drowning as part of NASBOD and investigated the causes behind the mortality rates. The data set recorded mortality rates by 19 age groups and two genders with the corresponding subnational pattern during the time period from 1990 to 2015.

RESULTS

The drowning mortality rate decreased in Iran from 1990 to 2015. From 1990 to 2015, the annual percentage change for males and females was -5.28% and -10.73%, respectively. There were 56 184 male and 21 589 female fatalities during the study period. The highest number of deaths was seen in 1993 with 4459, and the lowest number of fatalities was observed in 2015 with 903 deaths.

CONCLUSION

Our data showed a decline in drowning mortality in Iran from 1990 to 2015, but the rates and declines varied by province. Our findings are of great importance to health officials and authorities in order to further reduce the burden of drowning.

Exploring Flood-Related Unintentional Fatal Drowning of Children and Adolescents Aged 0–19 Years in Australia

Disasters, such as flooding, are predicted to increase. Drowning is one of the leading causes of death during times of flood. This study examined the little explored topic of child drowning during floods, with the aim of identifying risk factors to inform prevention strategies. A retrospective, total population examination of cases of children and adolescents aged 0–19 years who died from unintentional flood-related drowning in Australia for the 16-year period 1 July 2002 to 30 June 2018 was undertaken. Univariate and chi-square analysis was conducted, with Fisher’s exact test used for cell counts <5. Across the study period, 44 flood-related drowning deaths occurred among children and adolescents (63.6% male; 34.1% aged 10–14 years). Almost all (84.1%) occurred in rivers, creeks, or streams in flood, with the remaining incidents occurring in storm water drains (n = 7). Leading activities immediately prior to drowning were non-aquatic transport (40.9%), swimming in floodwaters (25.0%), and falls into floodwaters (15.9%). Flood-related fatal drowning among children and adolescents is rare (0.05 per 100,000 population), however flood-drowning risk increases as remoteness increases, with children and adolescents drowning in floodwaters in very remote areas at a rate 57 times that of major cities. All drownings are preventable, and this study has identified key causal factors that must be considered in advocacy and prevention efforts. These include: the importance of adult supervision, avoiding flooded waterways when driving or for recreational purposes, and the increased risks for those residing in geographically isolated and socially disadvantaged areas. Findings must be considered when developing interventions and advocacy for the purposes of the reduction of child and adolescent drowning during times of flood.

Developing drowning prevention strategies for rivers through the use of a modified Delphi process

Introduction

Internationally, rivers are a leading drowning location, yet little evidence exists evaluating river drowning prevention strategies. This study aims to use expert opinion to identify strategies more likely to be effective.

Methods

Using a modified Delphi process, a virtual panel of 30 experts from 12 countries considered, grouped and prioritised strategies for river drowning prevention. Proposed strategies were assessed against known evidence and suitability in high-income countries (HICs) as well as low-income and middle-income countries (LMICs) using expert opinion. The final phase consolidated a list of strategies whose effectiveness was assessed against 10 evidence-based river drowning scenarios.

Results

An initial list of 424 prevention strategies was refined to 22. After being assessed against the 10 scenarios, a final list of 13 strategies was derived. Strategies addressed alcohol consumption around rivers, flood mitigation, improving child supervision, learning to swim, increased lifejacket wear and achieving community-wide resuscitation skills.

Discussion

While all 13 strategies were assessed as being effective in both LMICs and HICs by at least 60% of the respondents, further work is required to define river drowning at a country level and therefore allow for effective solutions to be developed, particularly in LMICs. No strategy will be effective in isolation and must be implemented alongside policy and behaviour change, public awareness and education. Evaluation should be incorporated as part of any future implementation of strategies.

Conclusion

This Delphi process identified 13 drowning prevention strategies for rivers. Further research is required to validate the efficacy of these findings through implementation and evaluation.

Risk profile for drowning deaths in children in the Indian state of Bihar: results from a population-based study

BACKGROUND

We report on incidence of drowning deaths and related contextual factors in children from a population-based study in the Indian state of Bihar which estimated the causes of death using verbal autopsy (VA).

METHODS

Interviews were conducted for deaths in 1-14 years population that occurred from January 2012 to March 2014 in 109 689 households (87.1% participation) in 1017 clusters representative of the state. The Population Health Metrics Research Consortium shortened VA questionnaire was used for interview and cause of death was assigned using the SmartVA automated algorithm. The annualised unintentional drowning death incidence, activity prior to drowning, the body of water where drowning death had occurred and contextual information are reported.

FINDINGS

The survey covered 224 077 children aged 1-14 years. Drowning deaths accounted for 7.2%, 12.5% and 5.8% of all deaths in 1-4, 5-9 and 10-14 years age groups, respectively. The adjusted incidence of drowning deaths was 14.3 (95% CI 14.0 to 14.7) per 100 000 children, with it being higher in urban (16.1, 95% CI 14.8 to 17.3) areas. Nearly half of the children drowned in a river (5.9, 95% CI 5.6 to 6.1) followed by in a pond (2.8, 95% CI 2.6 to 2.9). Drowning death incidence was the highest while playing (5.1, 95% CI 4.9 to 5.4) and bathing (4.0, 95% CI 3.8 to 4.2) with the former accounting for more deaths in 1-4 years age group. Sixty per cent of children were already dead when found. None of these deaths were reported to the civil registration system to obtain death certificate.

INTERPRETATION

The findings from this large representative sample of children document the magnitude of and variations in unintentional drowning deaths in Bihar. Urgent targeted drowning interventions are needed to address the risk in children. Gross under-reporting of drowning deaths in children in India needs attention.

Status of drowning in Nepal: A study of central police data

Background:  Drowning is a serious and mostly preventable injury-related cause of death. Low-and-middle income countries represent 90% of total drowning deaths worldwide. There is lack of epidemiological studies of drowning in Nepal. The aim of this paper is to describe the status of drowning in Nepal. Methods: Cases of drowning, occurring between January 2013 and December 2015 were extracted from the Daily Incident Recording System of Nepal Police. Variables on age, sex of the deceased, types of water bodies, places, season when drowning occurred and activities of deceased were extracted and descriptive analysis was done. Results: A total of 1,507 drowning cases were recorded over a 3 year period. The rate of drowning was 1.9 per 100,000 (2.95 for males and 0.92 for females). Majority of drowning occurred among males (76%) and more than half were (53%) under 20 years of age. Mostly drowning occurred in rivers (natural water bodies). The findings provide strong indication that drowning occurs throughout the year in Nepal. Children were highly vulnerable to drowning. The magnitude of drowning was found to be lower than estimated by global burden of disease (GBD) study. Conclusion: The burden of drowning in Nepal is considerable, but mostly unknown to the public. Despite only having access to a limited data source, this study provides useful evidence that comprehensive research in Nepal is needed urgently.

Status of drowning in Nepal: A study of central police data

Background:  Drowning is a serious and mostly preventable injury-related cause of death. Low-and-middle income countries represent over 90% of total drowning deaths worldwide. There is lack of epidemiological studies of drowning in Nepal. The aim of this paper is to describe the status of drowning in Nepal. Methods: Cases of drowning, occurring between 1 January 2013 and 31 December 2015 were extracted from the Daily Incident Recording System of Nepal Police. Drowning cases were extracted and analysed regardless of their intent. Variables on age, sex of the deceased, types of water bodies, geographical locations, season when drowning occurred and activities of deceased were extracted and descriptive analysis was conducted. Results: A total of 1,507 drowning cases were recorded over a 3 year period. The rate of drowning was 1.9 per 100,000 (2.95 for males and 0.92 for females). Majority of drowning occurred among males (76%) and more than half were (53%) under 20 years of age. Mostly drowning occurred in rivers (natural water bodies). The findings provide strong indication that drowning occurs throughout the year in Nepal. Children were highly vulnerable to drowning. The magnitude of drowning was found to be lower than estimated by global burden of disease (GBD) study. Conclusion: The burden of drowning in Nepal is considerable, but mostly unknown to the public. Despite only having access to a limited data source, this study provides useful evidence that comprehensive research in Nepal is needed urgently.

Age-Period-Cohort Analysis of Trends in Mortality from Drowning in China: Data from the Global Burden of Disease Study 2015

The studies on drowning mortality are very scarce in China, and the aim of this study is to identify the long-term patterns of drowning mortality in China between 1990 and 2015 to provide evidence for further prevention and control on drowning. The mortality data were derived from the Global Burden of Disease Study 2015 and were analyzed with the age–period–cohort framework. This study demonstrated that the age-standardized mortality rates for drowning in both sexes displayed general declining trends with a decrease in the drowning mortality rate for every age group. In the same birth cohort, both sexes witnessed a substantial decline followed by a slight increase in the risk of death from drowning with age after controlling for period deviations. The estimated period and cohort relative risks were found in similar monotonic downward patterns for both sexes, with more reduction for females than for males during the whole study period.

Fatal and non-fatal injury outcomes: results from a purposively sampled census of seven rural subdistricts in Bangladesh

BACKGROUND

90% of the global burden of injuries is borne by low-income and middle-income countries (LMICs). However, details of the injury burden in LMICs are less clear because of the scarcity of data and population-based studies. The Saving of Lives from Drowning project, implemented in rural Bangladesh, did a census on 1·2 million people to fill this gap. This Article describes the epidemiology of fatal and non-fatal injuries from the study.

METHODS

In this study, we used data from the baseline census conducted as part of the Saving of Lives from Drowning (SoLiD) project. The census was implemented in 51 unions from seven purposively sampled rural subdistricts of Bangladesh between June and November, 2013. Sociodemographic, injury mortality, and morbidity information were collected for the whole population in the study area. We analysed the data for descriptive measures of fatal and non-fatal injury outcomes. Age and gender distribution, socioeconomic characteristics, and injury characteristics such as external cause, intent, location, and body part affected were reported for all injury outcomes.

FINDINGS

The census covered a population of 1 169 593 from 270 387 households and 451 villages. The overall injury mortality rate was 38 deaths per 100 000 population per year, and 104 703 people sustained major non-fatal injuries over a 6-month recall period. Drowning was the leading external cause of injury death for all ages, and falls caused the most number of non-fatal injuries. Fatal injury rates were highest in children aged 1-4 years. Non-fatal injury rates were also highest in children aged 1-4 years and those aged 65 years and older. Males had more fatal and non-fatal injuries than females across all external causes except for burns. Suicide was the leading cause of injury deaths in individuals aged 15-24 years, and more than 50% of the suicides occurred in females. The home environment was the most common location for most injuries.

INTERPRETATION

The burden of fatal and non-fatal injuries in rural Bangladesh is substantial, accounting for 44 050 deaths and 21 million people suffering major events annually. Targeted approaches addressing drowning in children (especially those aged 1-4 years), falls among the elderly, and suicide among young female adults are urgently needed to reduce injury deaths and morbidity in Bangladesh.

FUNDING

Bloomberg Philanthropies.

Child Fatalities in Dammam: A Call for Child Fatality Reviews in Arab Countries

Identifying children's risk exposure is the first step toward mortality prevention. This retrospective study determined the causes of child fatalities in Dammam, Saudi Arabia. Death reports of children and adolescents from 1999 to 2015 (N = 157) were analyzed. Boys represented most cases (69%) and there were two age peaks (1-5 years and 16-18 years). Accidents (typically immersion) defined the main death circumstance (51%) followed by homicide (25%). Only 33% of cases underwent autopsy, and the most common cause of death was head injury (27%) followed by firearm injury. Only one immersion death underwent autopsy. This study revealed important data about the risk exposure of children in Dammam and emphasizes deficient investigative procedures. Child fatality reviews comprise systematic data collection by multidisciplinary teams to determine the true risks toward children in a community. Such teams do not exist in Arab countries; therefore, strategies should be implemented to initiate them.

A search for a safer bucket to prevent children drowning at home

BACKGROUND

Unintentional drowning is the leading cause of death for children younger than 5 years old. A bucket is one of the most common water container in which children can drown. The objective of this work was to evaluate the base diameter of a bucket and the necessary force to shed it.

METHODS

This was an experimental study. We used six galvanized buckets of different diameters. Each selected bucket was pulled using a pulley with other buckets full of water until the water spilled out. The statistical analysis was done by linear regression with p less than 0.05 as statistically significant.

RESULTS

This research shows a direct relation between the wide base diameter (in a bucket 23 cm high, 25 cm rim, with a 20 cm water depth) and the strength required to spill the liquid contents (β= 1.21; x= diameter of the base in centimeters; α= 14.59; r= 0.99 and p less than 0.001).

CONCLUSIONS

We conclude that the bucket structure could determine the risk of child drowning. The risk could increase directly as its base width increases.

This Much Water: a qualitative study using behavioural theory to develop a community service video to prevent child drowning in Western Australia

OBJECTIVES

Drowning in children under the age of 5 is a frequently occurring, yet preventable event. This research used behavioural theory to test the suitability and appropriateness of a drowning prevention message in a community service video.

DESIGN

This qualitative study used content analysis of focus groups. Constructs from the Health Belief Model guided the data analysis.

SETTING

Community organisations and playgrounds in Perth, Western Australia.

PARTICIPANTS

Participants were parents or carers of at least one child under 5 years residing in Western Australia. Seven focus groups (n=57) were conducted with eight participants in each group. Most participants were parents (96%), female (95%), aged between 25 and 34 years (63%) and were born in Australia (68%).

RESULTS

Participants indicated the community service video was credible in communicating the message that young children were susceptible to drowning in shallow water and that various water hazards existed in and around the home. However, a range of external factors, such as the child's age, type of water hazard, presence of siblings and other environmental factors, influenced risk perceptions. Child drowning was seen as a serious issue. Controlling access to water and the role of supervision were understood to be important factors in preventing drowning.

CONCLUSIONS

The lack of published drowning prevention interventions shaped by behavioural theory limits the understanding of best practice. Using constructs from the Health Belief Model, this research confirmed the perceived seriousness, devastating and unforgettable consequence of drowning; however, findings were mixed regarding cues to action. Future development of drowning prevention media messages should test strategies to increase susceptibility and self-efficacy among the target group and explore the impact of different message senders. The findings provide a valuable understanding of possible messages and their execution for use in media campaigns, as one component of an effective public health intervention to prevent child drowning underpinned by behavioural theory.

The epidemiology of drowning in low- and middle-income countries: a systematic review

Background

According to the World Health Organization, drowning is the 3rd leading cause of unintentional injury-related deaths worldwide, accounting for 370,000 annual deaths and 7% of all injury-related deaths. Low- and middle-income countries are the most affected, accounting for 91% of unintentional drowning deaths.

Methods

The authors performed a systematic review of literature indexed in EMBASE, PubMed, Web of Science, Cochrane Library, and Traumatology journals formerly indexed in PubMed in January 2014 and again in September 2016. Abstracts were limited to human studies in English, conducted in low- and middle-income countries, and containing quantitative data on drowning epidemiology.

Results

A total of 62 articles met inclusion criteria. The majority of articles originate from Asia (56%) and Africa (26%). Risk factors for drowning included young age (<17–20 years old), male gender (75% vs. 25% female), rural environment (84% vs. 16% urban), occurring in the daytime (95% vs. 5% night time), lack of adult supervision (76% vs. 18% supervised), and limited swimming ability (86% vs. 10% with swimming ability). There was almost equal risk of drowning in a small body of water versus a large body of water (42% ponds, ditches, streams, wells; 46% lakes, rivers, sea, ocean).

Conclusion

Drowning is a significant cause of injury-related deaths, especially in LMICs. Young males who are unsupervised in rural areas and have limited formal swimming instruction are at greatest risk of drowning in small bodies of water around their homes. Preventative strategies include covering wells and cisterns, fencing off ditches and small ponds, establishing community daycares, providing formal swimming lessons, and increasing awareness of the risks of drowning.

Electronic supplementary material

The online version of this article (doi:10.1186/s12889-017-4239-2) contains supplementary material, which is available to authorized users.

Epidemiology of Drowning in Bangladesh: An Update

Over one-quarter of deaths among 1-4 year-olds in Bangladesh were due to drowning in 2003, and the proportion increased to 42% in 2011. This study describes the current burden and risk factors for drowning across all demographics in rural Bangladesh. A household survey was carried out in 51 union parishads of rural Bangladesh between June and November 2013, covering 1.17 million individuals. Information on fatal and nonfatal drowning events was collected by face-to-face interviews using a structured questionnaire. Fatal and non-fatal drowning rates were 15.8/100,000/year and 318.4/100,000/6 months, respectively, for all age groups. The highest rates of fatal (121.5/100,000/year) and non-fatal (3057.7/100,000/6 months) drowning were observed among children 1 to 4 years of age. These children had higher rates of fatal (13 times) and non-fatal drowning (16 times) compared with infants. Males had slightly higher rates of both fatal and non-fatal drowning. Individuals with no education had 3 times higher rates of non-fatal drowning compared with those with high school or higher education. Non-fatal drowning rates increased significantly with decrease in socio-economic status (SES) quintiles, from the highest to the lowest. Drowning is a major public health issue in Bangladesh, and is now a major threat to child survival.

Epidemiology of adulthood drowning deaths in Bangladesh: Findings from a nationwide health and injury survey

Background: Annual global death due to drowning accounts for 372,000 lives, 90% of which occur in low and middle income countries. Life in Bangladesh exposes adults and children to may water bodies for daily household needs, and as a result drowning is common. In Bangladesh, due to lack of systemic data collection, drowning among adults is unknown; most research is focused on childhood drowning. The aim of the present study was to explore the epidemiology of adulthood drowning deaths in Bangladesh.

Methodology: A nationwide cross-sectional survey was conducted from January to December in 2003 among 171,366 rural and urban households, with a sample of 819,429 individuals to determine the epidemiology of adulthood drowning in Bangladesh.  

Results:  Annual fatal drowning incidence among adults was 5.85/100,000 individuals. Of these, 71.4% were male and 28.6% were female (RR 2.39). In total, 90% of the fatalities were from rural areas. Rural populations were also found to have a 8.58 times higher risk of drowning than those in urban areas. About 95% of drowning occurred in natural water bodies. About 61.6% of the deaths occurred at the scene followed by 33.5% at the home. Of the drowning fatalities, 67% took place in water bodies within 100 meters of the household. Among the drowning fatalities 78.4% occurred in daylight between 7.00 and 18.00. Over 97% of the victims were from poor socio economic conditions with a monthly income tk. 6,000 ($94) or less. Only 25.5% of incidences were reported to the police station.

Conclusions: Every year a significant number of adults die due to drowning in Bangladesh.  Populations living in rural areas, especially men, were the main victims of drowning. This survey finding might help policy makers and scientists to understand the drowning scenario among adults in Bangladesh.

The development of an intervention package to prevent children under five years old drowning in rural Bangladesh

AIM

There are an estimated 372 000 worldwide deaths by drowning every year, and it has been described as a secret epidemic in Bangladesh. The aim of this study was to develop an intervention package to prevent children under the age of five from drowning in rural Bangladesh.

METHODS

This was a qualitative study using focus group discussions in three villages in rural Bangladesh. The 45 participants were mothers and fathers with children under five, the parents of children who had drowned and community leaders.

RESULTS

The majority of the participants (71%) were male. The focus groups revealed that most drowning's occurred between 11am and 2pm and that risk factors included the following: children not being able to swim, ditches that were not filled in, lack of medical facilities, parents who were not aware of childhood drowning and lack of information through the media about how to prevent of childhood drowning. Suggestions included using a mobile-based short messaging service or voice calls to parents, especially mothers, could increase awareness and reduce the risk of childhood drowning.

CONCLUSION

A safety education programme could be effective in increasing knowledge and changing attitudes, which could prevent drowning among children in Bangladesh.

Fatal river drowning: the identification of research gaps through a systematic literature review

INTRODUCTION

Drowning is a leading cause of unintentional death. Rivers are a common location for drowning. Unlike other location-specific prevention efforts (home swimming pools and beaches), little is known about prevention targeting river drowning deaths.

METHODS

A systematic literature review was undertaken using English language papers published between 1980 and 2014, exploring gaps in the literature, with a focus on epidemiology, risk factors and prevention strategies for river drowning.

RESULTS

Twenty-nine papers were deemed relevant to the study design including 21 (72.4%) on epidemiology, 18 (62.1%) on risk factors and 10 (34.5%) that proposed strategies for prevention. Risk factors identified included age, falls into water, swimming, using watercraft, sex and alcohol.

DISCUSSION

Gaps were identified in the published literature. These included a lack of an agreed definition for rivers, rates for fatal river drowning (however, crude rates were calculated for 12 papers, ranging from 0.20 to 1.89 per 100 000 people per annum), and consensus around risk factors, especially age. There was only one paper that explored a prevention programme; the remaining nine outlined proposed prevention activities. There is a need for studies into exposure patterns for rivers and an agreed definition (with consistent coding).

CONCLUSIONS

This systematic review has identified that river drowning deaths are an issue in many regions and countries around the world. Further work to address gaps in the published research to date would benefit prevention efforts.

Prenatal arsenic exposure and drowning among children in Bangladesh

There is increasing concern regarding adverse effects of prenatal arsenic exposure on the neurodevelopment of children. We analyzed mortality data for children, who were born to 11,414 pregnant women between 2002 and 2004, with an average age of 5 years of follow-up. Individual drinking-water arsenic exposure during pregnancy was calculated using tubewell water arsenic concentration between last menstrual period and date of birth. There were 84 drowning deaths registered, with cause of death ascertained using verbal autopsy (International Classification of Diseases, 10th revision, codes X65–X70). The prenatal water arsenic exposure distribution was tertiled, and the risk of drowning mortality was estimated by Cox proportional hazard models, adjusted for potential confounders. We observed a significant association between prenatal arsenic exposure and drowning in children aged 1–5 years in the highest exposure tertile (HR=1.74, 95% CI: 1.03–2.94). This study showed that in utero arsenic exposure might be associated with excess mortality among children aged 1–5 years due to drowning.

Socio-demographic, environmental and caring risk factors for childhood drowning deaths in Bangladesh

BACKGROUND

Drowning contributes to incapacity and early death in many countries. In low- and middle-income countries, children are the most susceptible to fatalities. Over 50 % of the global drowning deaths occur among children aged under 15 years old with children aged between 1 and 4 years of age being most at risk. In Bangladesh, drowning rates are 10 to 20 times more than those in other developing countries. The object of this study is to determine the socio-demographic, environmental and caring hazard issues for child drowning in Bangladesh.

METHODS

A case-control study was conducted, with data collected from the Bangladesh Health and Injury Survey (BHIS) to identify the social-demographic and environmental factors associated with childhood drowning. The participants represented 171,366 households from seven divisions of Bangladesh-Dhaka, Rajshahi, Chittagong, Barisal, Sylhet, Khulna and Rangpur. The survey was conducted between January and December of 2003. A total of 141 children drowning were identified in the year preceding the survey. Data were analysed using descriptive statistics and logistic regression analysis. The odds ratios with 95% CI intervals were estimated for various associated factors for child drowning deaths.

RESULTS

In Bangladesh, in 2003, the incidence of drowning deaths was 104.8 per 100,000 among those aged less than 5 years; 168.7 per 100,000 in rural areas; male 32.4 per 100,000; 112.7 per 100,000 between 10:00 a.m. and 2:00 p.m.; and cannot swim 134.9 per 100,000. The socio-demographic danger factors for child drowning deaths were: being male (OR = 1.45, 95% CI = 1.34-1.78), aged less than 5 years (OR = 2.89, 95% CI = 1.89-3.11), urban areas (OR = 0.67, 95% CI = 0.67-1.87), and mother being illiterate (OR = 1.69, 95% CI = 1.01-2.81). Significant environmental and caring factors included mother/caregiver not being the accompanying person (OR = 25.4, 95% CI = 14.4-45.3) and children cannot swim (OR = 4.5, 95% CI = 1.25-19.4).

CONCLUSION

Drowning is the single largest reason for the mortality of children aged less than five years. There is a need to educate Bangladeshi parents and encourage behavioural change concerning supervision. The Government should use mass media to raise awareness about drowning among the community with a focus on rural areas. Policies should focus on increasing supervision by mothers/care persons, swimming skills, and should target illiterate mothers. Therefore, there is an immediate need for the Bangladeshi Government to address the problem of drowning.

Randomized controlled trial on drowning prevention for parents with children aged below five years in Bangladesh: a study protocol

BACKGROUND

Drowning is the third leading cause of death for children aged 0-4 years in many Asian countries, and is a serious but neglected health problem in low and middle-income countries like Bangladesh. The aim of the study is to outline the study protocol of a trial to test the efficacy of a mobile coach based intervention for the prevention of childhood drowning.

METHOD/DESIGN

A two-arm cluster randomized community trial will be conducted to test the efficacy of the mobile coach intervention for childhood drowning on parents with children below five years of age and compared to an assessment only control group. A total of 1680 parents in the villages with children aged below five years of age will participate. The village will be used as a randomized unit, randomly assigned to an intervention group (N = 840) receiving the mobile coach based intervention or an assessment only control group (N = 840). An individualized mobile coach intervention based on the demographic data and the individual will be developed, and SMSs, audio messages, videos and images about childhood drowning will be sent to the participants of the intervention group over a period of six months. The participants will receive per week one text message (SMS) and image and one video and audio text per month. The primary outcome measure will be increased knowledge and safety awareness, and behaviour practice about childhood drowning assessed at the six-month follow-up, and the secondary outcome measure will be the reduced incidence of childhood drowning in Bangladesh. The study assistants conducting the baseline and the follow-up assessments will be blinded regarding the group assignment.

DISCUSSION

This is the first study testing a fully mobile coach intervention for childhood drowning prevention in Bangladesh. It is hoped that the programme will offer an effective and inexpensive way to prevent childhood drowning among children aged below five years and also increase the awareness of parents concerning the risks to their children from drowning.

TRIAL REGISTRATION

ISRCTN13774693, 08/03/2015.

Interventions associated with drowning prevention in children and adolescents: systematic literature review

INTRODUCTION

Drowning remains a leading cause of preventable death in children across the world. This systematic review identifies and critically analyses studies of interventions designed to reduce fatal and non-fatal drowning events among children and adolescents or reduce the injury severity incurred by such incidents.

METHODS

A systematic search was undertaken on literature published between 1980 and 2010 relating to interventions around fatal and non-fatal drowning prevention in children and adolescents 0-19 years of age. Search methods and protocols developed and used by the WHO Global Burden of Disease Injury Expert Group were applied.

RESULTS

Seven studies fulfilled the inclusion criteria. Interventions were categorised into three themes of Education, Swimming Lessons and Water Safety, and Pool Fencing. All are possible effective strategies to prevent children from drowning, particularly young children aged 2-4 years, but very little evidence exists for interventions to reduce drowning in older children and adolescents. There were methodological limitations associated with all studies, so results need to be interpreted in the context of these.

CONCLUSIONS

Relatively few studies employ rigorous methods and high levels of evidence to assess the impact of interventions designed to reduce drowning. Studies are also limited by lack of consistency in measured outcomes and drowning terminology. Further work is required to establish efficacy of interventions for older children and adolescents. There is a need for rigorous, well-designed studies that use consistent terminology to demonstrate effective prevention solutions.