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<p>To evaluate the knowledge and awareness of the population of N’Djamena, Chad, regarding the risk factors and clinical signs of upper aerodigestive tract cancers (UATC), with the aim of informing public health strategies and educational interventions. A cross-sectional study was conducted in N’Djamena from November 2022 to April 2023. A total of 404 adult residents aged 18 years and above were included, excluding physicians, medical students, and individuals who did not provide consent. Data were collected using a pre-tested, validated questionnaire and analysed with SPSS version 26.0. Associations between knowledge levels and sociodemographic variables were assessed using the chi-squared test, with a significance level set at <i>p</i> &lt; 0.05. Among participants, 68.8% reported having heard of UATC, primarily through the media (55.7%). The most frequently identified risk factors were tobacco use (79%), alcohol consumption (34.4%), and hookah (shisha) smoking (18.1%). Recognized cancer sites included the nasal cavities and sinuses (34.7%), the pharynx and larynx (28.1%), and the oral cavity (26.0%). The most commonly identified symptom was the sensation of a lump in the throat (28.7%). A statistically significant association was observed between educational level and recognition of clinical signs (<i>p</i> &lt; 0.001). The study highlights gaps in the population’s knowledge of UATC, particularly regarding clinical signs and lesser-known risk factors. These findings underscore the need to enhance awareness and education programs aimed at promoting early detection and reducing the burden of UATC in Chad.</p>

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Awareness and Knowledge of Risk Factors and Clinical Signs of Upper Aerodigestive Tract Cancers Among the Population of N’Djamena, Chad

  • 期刊论文

  • 发表日期：

    2025年11月28日

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  • Aboubakar Assidick Taoussi,
  • Watchom Gnandégoné,
  • Yusra Aboulbachar Ali,
  • Ali Mahamat Ali Ahidjo

摘要

To evaluate the knowledge and awareness of the population of N’Djamena, Chad, regarding the risk factors and clinical signs of upper aerodigestive tract cancers (UATC), with the aim of informing public health strategies and educational interventions. A cross-sectional study was conducted in N’Djamena from November 2022 to April 2023. A total of 404 adult residents aged 18 years and above were included, excluding physicians, medical students, and individuals who did not provide consent. Data were collected using a pre-tested, validated questionnaire and analysed with SPSS version 26.0. Associations between knowledge levels and sociodemographic variables were assessed using the chi-squared test, with a significance level set at p < 0.05. Among participants, 68.8% reported having heard of UATC, primarily through the media (55.7%). The most frequently identified risk factors were tobacco use (79%), alcohol consumption (34.4%), and hookah (shisha) smoking (18.1%). Recognized cancer sites included the nasal cavities and sinuses (34.7%), the pharynx and larynx (28.1%), and the oral cavity (26.0%). The most commonly identified symptom was the sensation of a lump in the throat (28.7%). A statistically significant association was observed between educational level and recognition of clinical signs (p < 0.001). The study highlights gaps in the population’s knowledge of UATC, particularly regarding clinical signs and lesser-known risk factors. These findings underscore the need to enhance awareness and education programs aimed at promoting early detection and reducing the burden of UATC in Chad.