July05, 2022,UK


Abstract Volume: 3 Issue: 4 ISSN:

Assessment of Knowledge, Attitude and Practice on Tuberculosis among the Patients of a Tertiary Care Hospital in India

Dr. Prabhakar. S1, Dr. Krithi Krishnan. L2

Corresponding Author: Dr. Prabhakar. S, Dr. Krithi Krishnan. L, Jayanagar General Hospital, Bangalore. India.

Copy Right: © 2021 Dr. Prabhakar. S, Dr. Krithi Krishnan. L. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Received Date: September 26, 2021
Published date: October 01, 2021



Tuberculosis (TB) is an infectious disease primarily affecting lung parenchyma and its most often caused by Mycobacterium Tuberculosis. It may spread to any part of the body including meninges, kidney, bones and lymph nodes and it’s a major public health problem in India and India is the highest TB burden country in the world, home to 20 percent of cases occurring globally. Each year 1.8 million people develop TB in India and 0.37 million people die because of TB every year in India. The government of India revitalized NTP as Revised National TB control programme [rntcp] in the same year implementation of directly observed treatment short-course [DOTS] was officially launced as RNTCP strategy in 1997 and by the end of 2005 the entire country was covered under the programme[52]. This study aimed to assess the knowledge, attitude and practice on TB among the patients of Jayanagar General Hospital, Bangalore, India.

A cross-sectional study was conducted among the patients of Jayanagar General Hospital, Bangalore, India. Astandardized pretested questionnaire was distributed and self-administered. The participants were selected randomly using randomization. The data was entered in Microsoft Excel version 16 and multivariate logistic regression was performed to check the association with the independent variables. A score of 1 point for a correct answer and 0 for wrong/don’t know answer was given. The knowledge, attitude and practice score were divided into good and poor based on 50% cut off. Logistic regression was used for the analysis to identify the significant covariates.


A total of 420 patients responded to the survey questionnaire. The average knowledge score on TB was 10.7 (Range = 0– 21). Two hundred and forty respondents (58.6%) had low knowledge (mean score 7.8±2.5) on TB. Cough, chest pain and weight loss were correctly reported as the symptoms of TB by306 (72.9%), 187(44.5%) and 187(44.5%) participants. Eighty- nine- point five percent (376) of participants reported coughing as the main route of TB transmission and 85% (357) of the participants said that it could be prevented by covering the mouth while coughing. In multivariable analysis; the graduated patients had good knowledge of TB compared to non-graduated and illiterate patients (adjusted odds ratio [AOR] 2.02; 95% confidence interval [CI] 1.18–3.5; p-value 0.011). Respondents previously treated for TB were more likely to have good knowledge on TB compared to those who never had TB in the past (AOR 2.39; 95% CI 1.07–5.31; p-value 0.033). The majority (93%) of respondents had a good attitude towards TB cases. Female patients were 2.4 (95% CI 1.02–5.62; p-value 0.045) times more likely than male patients to have a positive attitude towards TB. Eighty-eight percent of the respondents reported that they would visit the hospital if they had TB symptoms. The mean score for the practice on TB was 1.33±0.59 (Range:0– 2).


In this study, the majority of the patients had poor knowledge on TB, especially among the patients of jayanagar general hospital and those who had never suffered from TB. The attitude towards TB was good especially among the female patients. However, the overall practice was poor among the participants. Therefore, the Ministry of Health should collaborate with relevant stakeholders especially the Ministry of Education to incorporate topics on TB in the syllabus of students and colleges to create awareness on it.



Assessment of Knowledge, Attitude and Practice on Tuberculosis among the Patients of a Tertiary Care Hospital in India


The United Nation’s Sustainable Development Goals (SDG) “Health goal number 3” plans to end tuberculosis (TB) epidemic by 2030 [1]. However, this ambitious plan could be at risk as TB still infects millions globally every year especially in the developing countries of Asia and Africa [2]. According to the World Health Organization (WHO), TB infected 10.4 million people and caused an estimated 1.45 million deaths (including both in HIV negative and positive patients) in 2018 [2]. Although the number of people dying from TB has started to decrease since the introduction of directly observed treatment short-course (DOTS), it still is one of the top causes of mortality [3]. There have been significant efforts to combat TB by the Ministry of Health through programs such as training of health workers on TB management, creating public awareness during the World TB Day and education using mass media. Despite these efforts, past studies in other countries identified delayed treatment-seeking for TB as one of the main reasons for the spread of TB in the communities [5,6]. Expanding testing, improved surveillance, screening and treatment of TB is critical in achieving the global goal of TB elimination by 2030 [7].

Colleges and schools can be a potential source of disease transmission including TB due to the crowded environment and high level of person-to-person contact [12, 13]. Earlier studies have reported outbreaks of TB among students in Italy and Ethiopia [14, 15] due to repeated exposure with the TB cases not under treatment. Past studies have shown that poor knowledge on TB leads to a delay in seeking care for TB [16, 17]. A person with an active TB infects on an average of 10–15 people per year [18]. This highlights the need for early case detection and treatment of all TB cases.

In India, the education is provided by Government and Non-Governmental organizations. Although science subjects are taught in schools, the curriculum does not include teachings on infectious diseases including TB. This is an alarming figure that needs attention. One of the reasons could be lack of knowledge and understanding on TB among the students. Therefore, understanding of knowledge, attitude and practice(KAP) on TB is crucial especially among those that play a key role in the society.

The findings from this study could be used to improve the KAP on TB amongst the future teachers because they can use this knowledge for early referral of students from their schools. Moreover, educating students on TB can help in the dissemination of the knowledge on TB in the community. This can improve the health seeking behaviour for TB, thereby halting the on going transmission. Therefore, the study aimed to understand the KAP on TB among the patients of Jayanagar General Hospital, Bangalore, India.

Materials and methods

Study area

 The study was conducted in Jayanagar General Hospital over a period of 12 months from September 3rd, 2020 to September 3rd, 2021.

Study design and sample size

A cross-sectional study was conducted among the patients of Jayanagar General Hospital. The sample size was calculated using the formula,

n= Z2 pð100— [2]

(where n = sample size, z = confidence level for normal distribution, p = estimated proportion and d = absolute error). Taking a confidence interval (CI) of 95% interval, with a probability of 50% and margin of error at 5% and a non-response rate of 10%, the sample size was rounded off to 425. The participants for this study were selected randomly using computer- generated randomization from the student database.

Inclusion criteria

The inclusion criteria for this study included: (I) In-patients and out patients of Jayanagar General Hospital and (II) Patients willing to sign an informed consent form.

Exclusion criteria

The exclusion criteria for this study included: (I) Patients below the age of 18 years and (II) Patients unwilling to participate in the study.

Data collection tools

The data was collected using a standardized pretested questionnaire adapted from the WHO guidebook for conducting KAP studies on TB [21]. The questionnaire was initially pre-tested among 20 patients and modified accordingly to the feedback. This group of patients were latter excluded from the study. The questionnaire was randomly distributed among the in-patients and the out patients who willing to participate in the study and the responses were self-administered and assistance was provided to illiterate patients and 420 study participants were randomly selected over the study period of 12 months and the data was subjected to statistical analysis.

The questionnaire was divided into two parts. The first part comprised of socio-demo- graphic characteristics and the second part included questions on knowledge, attitudes and practices. The questionnaire consisted of both multiple-choice questions with a single as well as multiple answers.

The knowledge section had 23 correct answers. Each correct item was scored “1” and “0” for incorrect or don’t know responses. There were six questions for attitudes and two questions for practice. For both attitude and practice response, a score of “1” was given for favourable attitude and practice and “0” for other responses. The outcome was divided into two strata: good if the final score was above 50% of the total score and poor otherwise [22].

Statistical analysis

The data was subjected to descriptive analysis using IBM SPSS version 22 and data was entered in Microsoft Excel version 16 and the multivariate logistic regression was performed to check for associations with the independent variables. A p-value < 0.05 was considered significant.

Ethical approval and confidentiality

The ethical committee clearance was obtained from the institutional ethics committee of Nargund college of pharmacy.


Socio-demographic characteristics

Out of 425 participants invited for the survey, the response rate was 98.8% (n = 420). There was an almost equal number of male and female participants (46.9% vs 53.1%) (Table 1). The mean age of the respondents was 23 years (SD 3.2; Range 18–41 years). More than half (60.7%) of the respondents reported that they never smoked and 43% had never consumed alcohol. The most common source of information on TB were family and friends, followed by teachers (Fig 1)

Knowledge of TB symptoms, transmission and diagnosis

The overall mean knowledge score on TB cause, symptoms, diagnosis and treatment was 10.66 (Range 0–21). Two hundred and forty-six (58.6%) of the participants had low TB knowledge (score < 11.5) (mean score 7.8±2.5) while 174 (41.4%) had good knowledge on TB. The participant’s response to TB knowledge are shown in Table 2. The majority of the patients (60%) knew that TB was caused by a bacterium. With regards to TB symptoms, cough more than two weeks was reported by 73% of participants followed by chest pain (44%), weight loss (44%) and blood in the sputum (37%) respectively. The most common cause of TB trans- mission mentioned was coughing (89%). There was a misconception that TB could be transmitted by sharing of the dishes (15% of the respondents). The participants reported the two most common methods of TB diagnosis were blood test (40.3%) and sputum examination (33.4%). Almost 60% of the respondents correctly answered that the TB vaccine was available. More than half of the participants (58%) knew the duration of TB treatment to be 6–8 months. However, a small proportion (6%) of participants thought the duration of TB treatment to be 1–2 weeks.

Knowledge of TB prevention and risk factors

The responses on TB prevention and risk factors are summarised in Table 3. Over 85% of the participants correctly reported that TB could be prevented by covering mouth during coughing while 20% of the participants responded that it could be prevented through the intake of good nutrition.

More than 66% thought that smoking was a risk factor for TB followed by malnutrition (29.8%) and alcohol consumption (25.7%). Forty-six percent of the respondents reported that TB drugs should not be discontinued after symptoms improve and 49% mentioned that doing so could lead to the drug-resistant TB. Almost 80% of the respondents correctly mentioned that re- infection with TB could occur.

Table 4 describes the multivariate analysis of socio-demographic characteristics to the knowledge of TB. Graduated patients had a significantly higher level of knowledge compared to the non-graduated patients (AOR 2.02; 95% CI 1.18–3.5; p-value 0.011). Moreover, a patient previously treated for TB was 2.4 times more likely (95% CI 1.07–5.31; p-value 0.033) to have good knowledge compared to those who had not been treated for TB.

Attitudes of patients towards TB

The attitude of the respondents to TB patients is summarised in Table 5. Ninety-eight percent and 91% of the participants reported TB to be a serious illness and a public health problem in India. The majority of respondents (84%) reported that they were at risk of getting TB. Almost half (49%) of the participants mentioned that they would feel compassionate and desire to help those infected with TB. However, another half of the respondents also had some stigmatizing attitude towards TB patients (i.e. they fear them, no particular feeling, or stay away from them).

Table 6 summarizes the factors associated with a good attitude. Overall, 93% of the respondents had a good attitude towards TB patients. Compared to male, the female had a significantly good attitude towards TB patients. (AOR 2.4: 95% CI 1.02–5.62; p-value 0.045).

Practices of patients towards TB
The practice of patients on TB is shown in Table 7. The mean score for the practice was 1.33±0.59 (Range:0–2). A large portion of the respondents (88.1%) said that they would first visit the hospital if they had symptoms suggestive of TB. Interestingly 6% responded that they would visit medical shops or traditional healers. Eighty percent of the study participants reported that they would consult a doctor to discuss TB symptoms. However, 26% reported that they would talk about TB symptoms to close friends and 12% mentioned that they would talk to the spouse. The overall good practices related to TB was 39% and was not associated with factors in multivariable analysis (Table 8).


In the present study, we assessed the knowledge, attitude and practices on TB among the patients of Jayanagar General Hospital, Bangalore. Most participants heard about TB from family and friends. The study showed a low level of TB knowledge on causes, symptoms, diagnosis and treatment. Patients with the history of being treated for TB had significantly high knowledge level compared to patients who never had TB. Female patients more likely had positive attitude towards TB compared to male patients. The most common source of information on TB was from friends, family and the teachers. The source of information varies among countries with textbooks and online websites in China [23], electronic media in Bangladesh [24, 25], posters/leaflets in Korea [26] to health workers and radios in Ethiopia [27, 28]. These differences in the sources of information could be due to differences in the participants, education level as well as the social background.

The plausible reason for this finding in our study could be attributed to the cohesiveness of family and friends in India where it is mainly a joint family. Teachers play a significant role in schools particularly those with the boarding facilities. They are the first contact of students and play a pivotal role in the day-to-day running of the school. Therefore, educating teachers about TB can be helpful on two fronts. Firstly, they can disseminate TB related information to the students. Secondly, they will aid in the early identification of TB cases in school and prompt referral to hospitals for appropriate management. Despite a substantial increase of internet users in India in recent years, it was the least mentioned source of information for TB. The Ministry of Health of India should use popular social media like Facebook to disseminate information on the prevention and symptoms of TB.

Study participants recognised cough for more than two weeks as the commonest symptom of TB. This finding is comparable to a study in Ethiopia [27] but contrasts the findings from China and Nigeria [23, 30]. Generally, cough is the first and most common symptoms of TB [31]. The fact that cough being mentioned as a common symptom of TB is significant as it would make a positive impact on the health-seeking behaviour of the person. The majority of the participants knew that TB was commonly spread by coughing [89%]. Similar findings were reported in other studies as well [27, 32]. Frequent coughing is associated with the infectivity of TB [33] and recognition of this symptom could facilitate in seeking early treatment and care thereby reducing transmission in the community.

Risk factors of TB include HIV infection, malnutrition, overcrowding and diabetes mellitus [34]. However, in this study majority mentioned only smoking to be a risk factor for TB. DM and HIV were mentioned by only 3% and 6% to be the risk factor for TB.

With increasing cases of diabetes mellitus [35] and HIV cases [36] in India, the TB burden is expected to increase unless timely screening and preventive actions for TB are taken. The majority of the participants mentioned that TB drugs should not be discontinued once patient feels well as it would lead to development of drug resistant TB. Defaulting treatment[37, 38] and non-adherence [39] are the main reasons for TB treatment failure and development of drug resistant. The findings in our study correlates with an earlier study in India which reported low default cases [51].

The patients who were previously treated for TB had better knowledge than those who had no history of TB. This is in concurrent with the findings from other studies [41]. This could be due to the health education of TB patients by the counsellors or TB in-charges in health centres during treatment and subsequent follow-ups. Education level has been observed to be significantly associated with knowledge level, with graduated patients doing well compared to non-graduated patients [42]. However, our study findings correlates with the other study findings in India. This could be due to the common practice of the overall population towards TB in India.

The overall knowledge score on TB cause, symptoms, diagnosis and treatment in this study was low. One of the plausible reasons could be lower engagement during the health education due to higher priorities for their studies. In addition, acute respiratory infections (ARI) are common in India which presents similar to TB. This could have led to confusion between TB and ARI.

The knowledge on TB has also been found low as well in China [23], Bangladesh [24], Nigeria [30] and Ethiopia [43]. And these are some of the high TB burden countries [45]. One of the main reasons could be due to limited knowledge on TB leading to delayed health- seeking behaviour and late diagnosis.

In this study, the participants considered TB to be a public health problem in India and that they were at risk of getting the disease. Moreover, half of the participants reported that they would be overcome with fear if they were diagnosed with TB. Similar findings have been reported in another study [27]. These feelings could be due to the long duration of treatment, the cachexic nature of the disease as well as due to the risk of transmission of the disease to the family members. The study showed that female patients have good attitudes towards TB cases compared to male patients. This is consistent with studies from other countries [42]. In India, women are culturally responsible for taking care of the household works and care of the patients. This could be the reason for female having better attitude towards TB than male.

However, a study in Ethiopia showed that female have a poor attitude towards TB cases com- pared to male [46]. The observed differences could be due to different social and cultural backgrounds.

Majority of respondents mentioned that they would visit hospital and talk to doctors about their symptoms. However, few participants mentioned that they would visit traditional healers as reported in another study [27]. This calls for a need to educate traditional healers on symptoms of TB, so that timely referrals of suspected TB patients to the health centres can be done. Moreover, health education on TB among the patients should be conducted time to time to change the health seeking behaviour as well as their knowledge on TB.


Although TB is a public health problem in India, the symptoms of the disease and its transmission are not taught in schools and other educational institutions. Combatting any form of public health problem requires the involvement of all stakeholders including the Ministry of Education and traditional healers. Including TB and other important public health infectious diseases in the school curriculum would help in improving the knowledge and health seeking behaviour of students as well as dissemination of information among the community by them. Secondly, there should be a regular refresher course on TB for teachers. Finally, traditional healers should be educated to identify the common signs and symptoms of TB for appropriate referrals to hospitals.

Limitations of the study

There are a few limitations to this study. Firstly, a causal relationship cannot be established due to the cross-sectional study design. Secondly, the information was collected using self- administered questionnaire. The honesty and the seriousness of the respondents to the questions are difficult to access and validate. Fourthly, smoking and alcohol use were likely to be under-reported as a result of social desirability. Lastly, since this study was conducted in a tertiary care hospital of a particular region, results cannot be generalized to the general population.

The overall outcome of the study was reliable as large group of study participants were assessed over a period of 12 months. The knowledge on TB causes, symptoms and treatment and prevention were poor especially among illiterate and non-graduated patients. While the graduated patients and study participants those who had been treated for TB in the past had comparatively had better knowledge on TB causes, symptoms and treatment. The attitude towards TB was good, especially among the female patients. However, the overall practice was poor among the participants. We need innovative methods of sensitization and dissemination of information on TB. The teachers can be an important source of information to the students and help in the early identification of suspected cases of TB. Therefore, the Ministry of Health in collaboration with the Ministry of Education should sensitize the teachers and include a syllabus on a few public health problems of India to create awareness on it.

We are grateful to all the patients who participated in the study and hospital authority, which allowed us to conduct research in the hospital, and the principal of nargund college of pharmacy who supported us throughout the course of the project.


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