Validity and Reliability of Colorectal Cancer Knowledge Questionnaire

| Posted in: Science

Journal name: The Malaysian Journal of Medical Sciences
Original article title: Validity and Reliability of Questionnaire on Knowledge, Attitude and Dietary Practices Related to Colorectal Cancer
The Malaysian Journal of Medical Sciences (MJMS) is a peer-reviewed, open-access journal published online at least six times a year. It covers all aspects of medical sciences and prioritizes high-quality research.
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Original source:

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Author:

Bachok Norsa’adah, Aisyahtun Rosdi Aminu, Zakaria Zaidi


The Malaysian Journal of Medical Sciences:

(A peer-reviewed, open-access journal)

Full text available for: Validity and Reliability of Questionnaire on Knowledge, Attitude and Dietary Practices Related to Colorectal Cancer

Year: 2020 | Doi: 10.21315/mjms2020.27.1.12

Copyright (license): CC BY 4.0


Download the PDF file of the original publication


Summary of article contents:

Introduction

Colorectal cancer (CRC) is a significant health concern in Malaysia, with rising incidence rates each year. This study aimed to assess the reliability and validity of a newly developed questionnaire targeting the knowledge, attitudes, and dietary practices related to CRC among the Malay population. By evaluating the awareness of CRC, the study seeks to enhance understanding of the disease and improve health education outreach efforts.

Importance of Knowledge Assessment in CRC

An important finding of this study is the establishment of a comprehensive questionnaire that can effectively measure knowledge about CRC and its risk factors. The questionnaire, comprised of 38 items, covers essential areas such as symptoms of CRC, preventive measures, and dietary practices associated with the disease's development. The exploratory factor analysis (EFA) indicated five domains of knowledge with satisfactory loading factors, demonstrating the instrument's potential as a valid and reliable tool for awareness assessment. This knowledge is crucial for fostering early detection through screening, which significantly improves treatment outcomes and survival rates.

Conclusion

In conclusion, the finalized questionnaire serves as a valid and reliable resource for measuring knowledge, attitudes, and dietary practices concerning CRC within the Malay population. As the understanding of CRC increases through effective utilization of this tool, it holds potential to influence public health strategies and improve health education initiatives. Future research should aim to expand and validate this questionnaire across different ethnicities and regions in Malaysia to ensure comprehensive understanding and prevention of CRC.

FAQ section (important questions/answers):

What is the aim of the study on colorectal cancer?

The study aimed to test the reliability and validity of a new questionnaire assessing knowledge, attitudes, and dietary practices regarding colorectal cancer among the Malay population in Malaysia.

How were respondents selected for this colorectal cancer study?

Respondents were conveniently selected from outpatient clinic visitors at a tertiary hospital, excluding individuals with cancers, chronic diseases, or those who were illiterate. The study included participants over 30 years of age.

What methods were used for data analysis in this study?

The study employed exploratory factor analysis (EFA) to identify relationships among questionnaire items, alongside reliability analysis using Cronbach's alpha and Guttman split-half coefficients to assess internal consistency.

What were the main findings regarding the reliability of the questionnaire?

The developed questionnaire demonstrated acceptable reliability, with Cronbach's alpha values for knowledge, attitude, and dietary practices being 0.61, 0.60, and 0.70, respectively, indicating its suitability for measuring KAP among the target population.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for “Validity and Reliability of Colorectal Cancer Knowledge Questionnaire”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.

1) Table:
A table is a systematic arrangement of data in rows and columns, often used to represent research findings, statistics, or other informational content clearly and concisely. In the context of research articles, tables provide a quick reference for crucial information, such as demographic data and study results, enhancing comprehension for readers.

2) Cancer:
Cancer is a disease characterized by the uncontrolled division of abnormal cells in the body. It can develop in various organs and tissues, affecting numerous bodily functions. Understanding cancer is vital for public health, as it continues to be a leading cause of death globally, prompting research into prevention, diagnosis, and treatment.

3) Knowledge:
Knowledge encompasses the awareness, understanding, or information acquired through education or experience. In healthcare and cancer research, knowledge about risk factors, symptoms, and preventive measures plays a crucial role in enhancing public awareness and encouraging individuals to participate in screening and lifestyle modifications that may reduce their cancer risk.

4) Study (Studying):
A study is a systematic investigation aimed at discovering or interpreting facts, establishing new data, or validating existing knowledge. In scientific research, studies often employ methodologies such as surveys, experiments, or observational analyses to gather and analyze data, contributing to advancements in understanding diseases and improving treatment approaches.

5) Diet:
Diet refers to the sum of food and drink consumed by an individual or community, significantly influencing health and well-being. In cancer-related research, dietary patterns can impact the risk of developing certain cancers, including colorectal cancer, highlighting the importance of understanding dietary choices in preventing disease and promoting healthier lifestyles.

6) Reliability:
Reliability in research refers to the consistency and trustworthiness of measurements or findings. A reliable study provides stable and repeatable results across different populations or contexts. Assessing the reliability of instruments, such as questionnaires, ensures accurate data collection, allowing researchers to draw valid conclusions about knowledge and behaviors related to health.

7) Rules:
Rules are explicit guidelines or principles that dictate the conduct or procedures within a specific context. In research, rules may refer to ethical guidelines, data collection protocols, or statistical methodologies. Following established rules is essential to maintain the integrity of research, ensuring transparency and reproducibility of findings in scientific studies.

8) Food:
Food comprises substances consumed for nutritional support and sustenance. In health research, dietary factors, including specific foods, can influence disease risk and prevention strategies. Understanding the relationship between food choices, such as high-risk diets, and health outcomes, such as cancer incidence, is crucial for developing effective health promotion interventions.

9) Fish:
Fish, as a significant component of many diets, is rich in essential nutrients such as omega-3 fatty acids and proteins. Research exploring the role of fish in dietary patterns often investigates its effects on health, including potential protective or risk factors related to diseases, such as colorectal cancer.

10) Male:
Male refers to one biological sex characterized by specific reproductive anatomy and hormones, typically associated with XY chromosomes. In health studies, demographic variables such as gender can significantly influence disease prevalence, risk factors, and treatment outcomes. Understanding male-specific health issues is vital for personalized medical care and public health strategies.

11) Education:
Education encompasses structured learning processes that enable individuals to acquire knowledge, skills, and competencies. In the context of health, education is crucial for improving public awareness about diseases, their prevention, and effective health-seeking behaviors. Higher levels of education often correlate with better health outcomes and participation in disease prevention efforts.

12) Disease:
A disease is a pathological condition of a bodily part, characterized by an identifiable group of signs or symptoms. Diseases can be caused by various factors, including genetic, environmental, and lifestyle influences. Understanding disease mechanisms is essential for developing prevention strategies and treatment protocols to improve public health outcomes.

13) Salt (Salty):
Salted refers to food preserved or flavored with salt, often extending shelf life and enhancing taste. In dietary studies, salted foods are examined for their health implications, particularly concerning cardiovascular disease and cancer risk. Understanding the impact of consuming salted foods is vital for promoting healthier eating habits and dietary choices.

14) Meat:
Meat is animal flesh consumed as food, providing essential nutrients such as protein, iron, and vitamins. Studies often investigate the relationship between meat consumption and health outcomes, including cancer risk. Understanding how different types of meat may influence health is necessary for developing informed dietary guidelines and promoting balanced eating.

15) Relative:
Relative refers to a family member or someone connected by blood or marriage. In health research, family history can significantly influence an individual's risk for certain diseases, such as cancer. Understanding familial connections allows researchers to identify patterns of heredity and inform strategies for screening and prevention efforts.

16) Roman (Roma):
Roman may refer to aspects related to the historical civilization of Rome or its cultural, legal, and architectural contributions. In a relevant context, referencing Roman traditions or practices may inform dietary guidelines or health perspectives from historical lenses, contributing to comparative studies in modern health behaviors and nutritional practices.

17) Discussion:
Discussion refers to the section in a research study where authors interpret and analyze their findings in relation to existing literature. It is crucial as it provides context, highlights the significance of results, acknowledges limitations, and suggests future research directions. A comprehensive discussion enhances understanding and application of study outcomes.

18) Developing:
Developing refers to the process of creating, evolving, or improving something, often in a progressive manner. In health contexts, developing new interventions, technologies, or research methodologies is essential for addressing public health challenges, particularly in low-resource settings. A focus on developing solutions can lead to better health outcomes and enhanced health equity.

19) Language:
Language is a system of communication, including spoken and written forms, allowing individuals to convey thoughts and ideas. In health research, language is fundamental for disseminating knowledge, creating culturally relevant materials, and ensuring that health messages are accessible to diverse populations. Language plays a significant role in health literacy and education.

20) Hair:
Hair, as a physical characteristic, often symbolizes personal identity and cultural practices. In medical research, hair may be relevant in studies examining health conditions, screening methods, or treatments, particularly concerning differences in hair type or condition between populations. Understanding these aspects can aid in tailoring health interventions.

21) Attending:
Attending refers to the act of being present at a particular event or location. In health research contexts, attending clinics or health education sessions is significant for patient engagement and health promotion. Understanding factors influencing attendance can inform strategies to enhance participation in health programs and improve public health outcomes.

22) Coconut (Cocoanut):
Coconut is a tropical fruit and food source known for its versatile uses, including culinary and medicinal applications. Research may explore the health benefits or nutritional aspects of coconut, particularly its high-fat content and potential implications for heart health or dietary practices related to chronic diseases, including cancer.

23) Science (Scientific):
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. In health research, scientific methods are essential for developing hypotheses, conducting experiments, and analyzing data to understand diseases, including cancer. It underpins evidence-based medicine and affect public health policies.

24) Surface:
Surface refers to the outermost or upper boundary of an object. In medical contexts, the surface of tissues may be relevant in understanding disease mechanisms, particularly in cancer research, where tumor growth occurs on bodily surfaces or within cavities. Studying surface interactions can inform treatment approaches and surgical strategies.

25) Family:
Family represents a fundamental social unit comprised of individuals related by blood, marriage, or adoption. In health research, family dynamics influence health behaviors, support systems, and disease prevalence. Understanding family structures is crucial for designing interventions that address specific health needs and promote collective health improvements.

26) Nature:
Nature encompasses the physical world, including plants, animals, and ecosystems. In health discussions, nature's influence on well-being, such as the benefits of green spaces or exposure to natural environments, is often explored. Understanding the connection between nature and health behaviors can inform public health initiatives aiming to enhance community health.

27) Animal:
Animal refers to a living organism that is part of the kingdom Animalia, characterized by multicellular structures and the ability to move. In research, animals are often studied to understand disease mechanisms, including those affecting human health. Animal studies can provide valuable insights into preventive measures, treatments, and understanding complex biological processes.

28) Death:
Death is the permanent cessation of all biological functions that sustain a living organism. In public health discourse, understanding the causes, prevention, and implications of death, especially from diseases such as cancer, is critical. Studies focus on mortality rates, risk factors, and interventions aimed at reducing preventable deaths.

29) Blood:
Blood is a vital fluid in the body responsible for transporting nutrients, oxygen, and waste products. In medical research, blood tests are commonly used for diagnosing diseases, including cancers. Understanding blood biomarkers can aid in early detection, monitoring health status, and evaluating treatment efficacy in various medical conditions.

30) Sign:
Sign refers to an indication or marker denoting a specific condition or occurrence. In health contexts, signs can be symptoms of illnesses or markers of health status. Recognizing signs early can lead to timely interventions and better health outcomes, emphasizing the importance of public awareness and education in disease prevention.

31) Milk:
Milk is a nutrient-rich liquid produced by mammals for feeding offspring. In health studies, its consumption and nutritional benefits, including calcium and vitamin D content, are often explored. Understanding dietary impacts of milk and dairy products can inform guidelines related to bone health and chronic disease prevention.

32) Post:
Post can refer to a physical support structure or, in a healthcare context, communication following a certain event. In research articles, posting data and findings contributes to furthering knowledge and transparency in scientific discourse. Post-event discussions help assess health interventions' effectiveness and inform future research directions.

Other Science Concepts:

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Discover the significance of concepts within the article: ‘Validity and Reliability of Colorectal Cancer Knowledge Questionnaire’. Further sources in the context of Science might help you critically compare this page with similair documents:

Conflict of interest, Statistical analysis, Socioeconomic status, Early detection, Dietary Intake, Ethical approval, Colorectal Cancer, Written consent, Factor analysis, Risk factor, Westernized lifestyle, Screening test, Internal Consistency, Exploratory Factor Analysis, Socio-demographic data, Cronbach alpha, Preventive program, Loading factor, Questionnaire, Outpatient Clinic, Multivariate data analysis, Screening method, Dietary practice, Global cancer statistics, Malay population, Research grant, Authors contribution, Questionnaire on knowledge, Socio-demographic characteristic.

Concepts being referred in other categories, contexts and sources.

Knowledge, Validity, ATTITUDE.

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