Facilitators and barriers to child restraint use in motor vehicles: a qualitative evidence synthesis

Methods used to conceptualize dimensions of health equity impacts of public health interventions in systematic reviews

OBJECTIVES

Our aims were to, first, identify and summarize the use of methods, frameworks, and tools as a conceptual basis for investigating dimensions of equity impacts of public health interventions in systematic reviews including an equity focus. These include PROGRESS-Plus, which identifies key sociodemographic characteristics that determine health outcomes. Second, we aimed to document challenges and opportunities encountered in the application of such methods, as reported in systematic reviews.

STUDY DESIGN AND SETTING

We conducted a methodological study, comprising an overview of systematic reviews with a focus on, or that aimed to assess, the equity impacts of public health interventions. We used electronic searches of the Cochrane Database of Systematic Reviews, the Database of Promoting Health Effectiveness Reviews (DoPHER), and the Finding Accessible Inequalities Research in Public Health Database, supplemented with automated searches of the OpenAlex dataset. An active learning algorithm was used to prioritize title-abstract records for manual screening against eligibility criteria. We extracted and analyzed a core dataset from a purposively selected sample of reviews, to summarize key characteristics and approaches to conceptualizing investigations of equity.

RESULTS

We assessed 322 full-text reports for eligibility, from which we included 120 reports of systematic reviews. PROGRESS-Plus was the only formalized framework used to conceptualize dimensions of equity impacts. Most reviews were able to apply their intended methods to at least some degree. Where intended methods were unable to be applied fully, this was usually because primary research studies did not report the necessary information. A general rationale for focusing on equity impacts was often included, but few reviews explicitly justified their focus on (or exclusion of) specific dimensions. In addition to practical challenges such as data not being available, authors highlighted significant measurement and conceptual issues with applying these methods which may impair the ability to investigate and interpret differential impacts within and between studies. These issues included investigating constructs that lack standardized operationalization and measurement, and the complex nature of differential impacts, with dimensions that may interact with one another, as well as with particular temporal, personal, social or geographic contexts.

CONCLUSION

PROGRESS-Plus is the predominant framework used in systematic reviews to conceptualize differential impacts of public health interventions by dimensions of equity. It appears sufficiently broad to encompass dimensions of equity examined in most investigations of this kind. However, PROGRESS-Plus does not necessarily ensure or guide critical thinking about more complex pathways, including interactions between dimensions of equity, and with wider contextual factors, and important practical, measurement and conceptual challenges remain. The findings from investigations of equity impacts in systematic reviews could be made more useful through more explicitly rationalized and considered approaches to the design, conduct and reporting of both primary research and the reviews themselves.

Community health workers for health systems resilience during COVID-19: protocol for qualitative evidence synthesis

INTRODUCTION

COVID-19 exposed the fragility of health systems, where even the most basic health services in high-income and low-income and middle-income nations could not withstand the health systems shock due to the pandemic. Community health workers (CHWs) can contribute to improving the resilience of health systems, specifically to withstand shocks and emergencies and to avoid disruptions of routine service delivery. We aim to explore and understand the 'individual' and 'systems-level' resilience factors that shaped the involvement of CHWs in the COVID-19 response.

METHODS AND ANALYSIS

We will search five electronic databases (PubMed, Cochrane Library, EMBASE, CINAHL and SciELO (Spanish)) and conduct citation screening to identify studies on CHWs' response during the COVID-19 pandemic. Two review authors will independently screen the studies for inclusion and to extract data. The software Rayyan will be used to assist in screening the relevant literature. A thematic analysis approach will be followed to analyse and synthesise the qualitative evidence. The quality of the included studies will be critically assessed using the Critical Skills Appraisal Programme Tool. We will use the GRADE CERQual(Grading of Recommendations, Assessment, Development, and Evaluations - Confidence in the Evidence from Reviews of Qualitative Research) approach to assess certainty in the synthesised findings of the qualitative evidence.

ETHICS AND DISSEMINATION

This study will be conducted on published evidence, with no living participants; thus, no ethical approval is required. The final review will be submitted and published in a peer-reviewed journal. We will also develop a policy brief to communicate the review findings to the stakeholders.

Predictors of parents' use of child restraint systems: Evidence from China

OBJECTIVE

Child restraint systems (CRS) can significantly lower the chance of child harm and death. Despite the benefit of CRS, their use in developing countries is low. Therefore, examining the factors that affect parents' use of CRS is essential.

METHODS

In this study, the associations of demographic characteristics and the exogenous constructs in the health belief model (HBM) and the theory of planned behavior (TPB) with parents' CRS use were investigated with structural equation modeling.

RESULTS

Demographic factors alone explained 23.1% of the variance in CRS use. The model's explanatory power increased greatly when exogenous constructs were incorporated from the HBM and TPB. Having a college degree, knowledge about CRS, perceived susceptibility, self-efficacy, and attitude significantly impacted parents' use of CRS.

CONCLUSIONS

The use of CRS in China is still low. Much effort should be done to increase the use of CRS in China, including education, and publicity.

Parents' knowledge and socio-demographic determinants toward child's restraint system use

BACKGROUND

Lack of protection or improper protection, is one of the most important reasons of child passenger's death and injury in traffic crashes. Based on what we see on the roads, Iranian children are unrestrained inside the car. The aim of this study was to investigate children restrained system (CRS) use rate, its socio-demographic determinants and parents' knowledge toward CRS use among Iranian parents.

METHODS

Using multi-stage cluster sampling and direct in filed method of observation, the behavior of 700 children in cars was observed in the current cross-sectional study. Socio-demographic determinants and parents' knowledge, toward using the CRS were evaluated using questionnaires. The study was performed from July to August 2019 in Tabriz city, northwestern Iran.

RESULTS

The rate of child safety seat (CSS) use was 15.1% CI 95%:(12.5%,18.0%), and the rate of booster use was 0.6%; CI 95%:(4.3%,8.0%). The majority of parents [e.g. 64.3%; CI 95%: (60.7%,67.9%)], had low knowledge about the use of CRS. The most important reasons for not using CRS was lack of laws and policies [e.g. 59.7%; CI 95%:(12.5%,18.0%)], lack of knowledge [e.g.59.6%; CI 95%:(57.9%, 63.3%)] and the high cost of CRS [e.g. 57.6%; CI 95%:(53.81%,61.2%)]. The most important predictors of not using CRS were the child's age, parental knowledge, and the socioeconomic status of the household (p < 0.05).

CONCLUSIONS

Most children did not have CRS. The parents with higher education and those with higher socioeconomic status had higher rate of CRS use. Based on the low rate of CRS use and poor parental knowledge about it, education of parents toward boosters use and benefits of using CRS, enforcing mandatory laws and ploicies for CRS use in Iran, and allocation of government subsidies to low-income families for purchasing CRS are suggeted as essential strategies to increase CRS use.

Facilitators and barriers of life jacket use for drowning prevention: Qualitative evidence synthesis

BACKGROUND

Drowning is a public health problem globally. Despite substantial evidence on the effectiveness of life jackets, their use for drowning prevention has remained low. This study aims to understand the barriers and facilitators of life jacket use.

METHODS

We searched four major electronic databases, contacted experts, hand-searched conference abstracts and screened reference lists to identify primary qualitative studies. We used the Critical Appraisal Skills Programme Checklist for quality appraisal and the PROGRESS Plus framework to understand equity issues. Thematic analysis was conducted.

RESULTS

We retrieved 1153 records and finally included ten studies that met eligibility criteria. All except two studies were from high-income countries. Four key themes were identified. Firstly, life jacket use was shaped through complex interactions between lived experience and cultural norms which influenced the risk-perception of life jacket utility in preventing deaths. Secondly, the high cost of life jackets was almost always a barrier for its usage. Thirdly, adoption of laws and its subsequent enforcement was perceived to be an important facilitator for life jacket use. Lastly, design issues around comfort, fashion-sense, and shelf life influenced usage.

CONCLUSION

The results of this qualitative evidence synthesis should be considered for health promotion, legal and policy interventions to promote the uptake of life jackets. There is a need for better understanding of perceptions and their role in the uptake of safety behaviours in different countries including the role of equity issues on the use of life jackets.

Dynamic frontal crash performance of old and used child restraint systems

OBJECTIVE

To examine the effect of age on the dynamic performance of child restraint systems in frontal crashes.

METHODS

A sample of used (3-269 months from manufacture) and newly purchased child restraints were subjected to frontal crash simulations of more than 56 km/h and peak deceleration approximately 33 g on a deceleration sled. Restraints were monitored for evidence of damage before and after each impact. Anthropometric test device (ATD) head and chest responses and peak head excursions were recorded for rearward facing restraints using the Q1 ATD and for forward facing restraints and booster seats using the Q6 ATD. The influence of restraint age on peak 3 ms head acceleration, HIC15, head excursion, peak 3 ms chest acceleration and restraint damage were analyzed.

RESULTS

In all impacts, the ATD remained within the restraint and secured to the test bench demonstrating the crash protection offered by the old and used restraints. There was no apparent relationship between ATD responses and restraint age for any restraint type. Older forward facing restraint systems had a very modest increase in forward head excursion (R² = 0.59, p = 0.001) of 0.27 mm for each month of age (95% CI, 0.13 mm - 0.42 mm). This equates to a 0.7% increase in the minimum measured excursion per year of restraint age. There was also a small increased likelihood of critical damage to the restraints in the simulated crashes per month of restraint age (OR 1.031, 95% CI 1.010-1.069).

CONCLUSIONS

Overall, degradation in restraint dynamic performance in older restraints, including some that are much older than the currently recommended 10-year lifetime, is minimal. However newer restraints may provide better protection due to marginal improvements in restraint design over time. Furthermore, the results of this study confirm previous recommendations that restraints should not be re-used after crash involvement.

Overloaded and Unrestrained: A Qualitative Study with Local Experts Exploring Factors Affecting Child Car Restraint Use in Cape Town, South Africa

(1) Background: Children in South Africa experience significant impacts from road injury due to the high frequency of road crashes and the low uptake of road safety measures (including the use of appropriate child restraints). The current study aimed to assess the feasibility of a child restraint program and to describe factors influencing child restraint use from the perspectives of clinicians, representatives of non-government agencies, and academics in Cape Town, South Africa. (2) Methods: Qualitative interviews were conducted with 13 experts from government, academic and clinical backgrounds. Findings were analyzed using the COM-B component of the Behaviour Change Wheel and were grouped by the layers of the social-ecological model (individual, relational, community and societal). (COM-B is a framework to explain behaviour change which has three key components; capability, opportunity and motivation), (3) Results: Experts believed that there was a need for a child restraint program that should be staged and multifactorial. Participants described knowledge gaps, perceptions of risk, mixed motivations and limited enforcement of child restraint legislation as key influences of restraint use. (4) Conclusions: The results demonstrate potential areas on which to focus interventions to increase child restraint use in Cape Town, South Africa. However, this will require a coordinated and consistent response across stakeholder groups.