Evidence map›Paper›PMID 42260499›Full record

ArticleBMC public health2026

Uptake of visibility materials for injury prevention and associated factors among commercial motorcycle riders: a cross-sectional study in Cameroon.

Chrisantus Eweh Ukah, Nicholas Tendongfor, Alan Hubbard, Elvis Asangbeng Tanue, Rasheedat Oke, Nahyeni Bassah, Larissa Kumenyuy Yunika, Claudia Ngeha Ngu, S Ariane Christie, Dickson Shey Nsagha and 2 more

Abstract read
In one paragraph

Article in BMC public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Chrisantus Eweh UkahDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon. chrisantuseweh@gmail.com.ORCID 0009-0006-9996-2833
Nicholas TendongforDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Alan HubbardDivision of Epidemiology, School of Public Health, University of California Berkeley, Berkeley, CA, USA.
Elvis Asangbeng TanueDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Rasheedat OkeProgram for the Advancement of Surgical Equity, Department of Surgery, University of California Los Angeles, Los Angeles, CA, USA.
Nahyeni BassahDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Larissa Kumenyuy YunikaDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Claudia Ngeha NguDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
S Ariane ChristieProgram for the Advancement of Surgical Equity, Department of Surgery, University of California Los Angeles, Los Angeles, CA, USA.
Dickson Shey NsaghaDepartment of Public Health and Hygiene, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Alain Chichom-MefireDepartment of Surgery and Specialties, Faculty of Health Sciences, University of Buea, Buea, Cameroon.
Catherine JuillardProgram for the Advancement of Surgical Equity, Department of Surgery, University of California Los Angeles, Los Angeles, CA, USA.

Funding

Strengthening the Quantitative Pipeline for Multidisciplinary Trauma Research in CameroonD43TW012186 · FIC · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI Alain Mefire Chichom, Alan E Hubbard · 2021 to 2026
$1.5M
FIC NIH HHS D43 TW012186FIC NIH HHS D43TW012186
6 · The paper itself

Abstract

backgroundCommercial motorcycle riders are among the most vulnerable road users in low- and middle-income countries, with poor visibility contributing significantly to road traffic injuries, particularly under low-light conditions. While visibility materials such as reflective jackets and functional lighting systems are effective, low-cost safety measures, their use remains inconsistent in many settings. In addition to individual behaviors, structural factors such as enforcement, access to safety equipment, and road conditions may influence their uptake. This study assessed the use of visibility materials and factors associated with their uptake among commercial motorcycle riders in the Limbe and Tiko Health Districts of Cameroon.

methodsA community-based cross-sectional study was conducted among 499 commercial motorcycle riders aged 18 years and above in the Limbe and Tiko Health Districts. Riders were recruited at selected motorcycle pick-up points using a multistage sampling approach. Data were collected using structured interviewer-administered questionnaires and an observational checklist. Descriptive statistics were used to summarize the uptake of visibility materials. Multivariable logistic regression analysis was performed to identify factors independently associated with reflective jacket use, guided by theoretical and contextual relevance. Adjusted odds ratios (AORs) with 95% confidence intervals (CIs) were reported.

resultsThe mean age of riders was 32.2 ± 7.6 years, and all participants were male. The most commonly observed visibility feature was a functional headlamp (85.8%), followed by backlights (57.3%) and brake lights (57.3%). Approximately half of the riders were observed wearing reflective jackets (50.9%), while reflective strips were present on only 19.0% of motorcycles. In adjusted analysis, riders who reported obeying traffic regulations were more likely to wear reflective jackets (AOR = 1.52; 95% CI: 1.10-2.30), as were those willing to allocate a budget for visibility materials (AOR = 2.20; 95% CI: 1.30-3.60). Knowledge and attitudes toward visibility materials were also positively associated with reflective jacket use. Each one-point increase in knowledge score was associated with an 18% increase in the odds of reflective jacket use (AOR = 1.18; 95% CI: 1.10-1.26), while each one-point increase in attitude score increased the odds by 14% (AOR = 1.14; 95% CI: 1.07-1.21). Riders reporting safer visibility-related practices were also more likely to wear reflective jackets (AOR = 2.16; 95% CI: 1.36-3.44).

conclusionThe uptake of visibility materials, particularly reflective jackets and reflective strips, remains suboptimal among commercial motorcycle riders despite widespread availability of basic lighting systems. Both behavioral and contextual factors appear to influence their use. Interventions that combine improved awareness with strategies addressing structural barriers-such as affordability, accessibility, and enforcement-may enhance rider visibility and contribute to reducing road traffic injuries in this population.

Indexed as

Accidents, TrafficMotorcyclesWounds and InjuriesAdolescentAdultCameroonCross-Sectional StudiesFemaleHumansMaleMiddle AgedSurveys and QuestionnairesYoung AdultAttitudesCommercial motorcycle ridersKnowledgePracticesReflective jacketsVisibility materials

Identifiers

PMID42260499
PMCPMC13471562

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.