Hypertension, commonly known as high blood pressure, is a significant public health concern globally and a leading risk factor for cardiovascular diseases, stroke and renal failure. Despite its serious implications, hypertension is often under-diagnosed and inadequately managed, particularly in developing regions. In India, the burden of hypertension is rapidly increasing, driven by factors such as urbanization, lifestyle changes and dietary habits. Shimla, the capital of Himachal Pradesh, presents a unique demographic and epidemiological profile due to its distinct geographic, cultural and socioeconomic characteristics [1-4].

District Shimla, with its predominantly hilly terrain, poses unique challenges and opportunities for public health interventions. The region's population, characterized by a blend of urban and rural communities, provides a critical context for understanding the awareness and knowledge of hypertension. Assessing the public's understanding of hypertension in Shimla is essential for developing targeted educational campaigns and preventive strategies tailored to the local context.

The primary objective of this study is to gauge the awareness and knowledge about hypertension among the general public in District Shimla. By exploring the levels of awareness, common misconceptions and the factors influencing knowledge about hypertension, this research aims to identify gaps in public understanding and potential barriers to effective hypertension management. The findings will inform health policy and contribute to the design of effective public health interventions to reduce the burden of hypertension in Shimla.

This study's significance is underscored by the increasing prevalence of hypertension and its associated health complications. By focusing on Shimla, this research addresses a critical need to understand regional variations in health awareness and the specific challenges faced by populations in hilly terrains. Ultimately, the insights gained from this study will contribute to the broader goal of improving cardiovascular health and reducing the incidence of hypertension-related diseases in Himachal Pradesh and similar settings.

Objectives of the Study

The primary objective is to gauge awareness and knowledge about Hypertension among general public of District Shimla, Himachal Pradesh.

• Research Approach: Descriptive

• Research Design: Cross-sectional survey design

• Study area: District Shimla, Himachal Pradesh

• Study duration: Between January 2024 to May 2024

• Study population: The study's target population encompassed all adults aged 18 and above who had been residents of District Shimla Himachal Pradesh for a minimum of 12 months

• Sample size: A robust sample size of 400 adults was determined using a 95% confidence level, an estimated knowledge level of 50% regarding Hypertension, a precise 5% absolute error margin and a conservative 5% non-response rate

• Study tool: A google form questionnaire consisting of questions regarding socio-demography and knowledge regarding Hypertension was created. The questionnaire was initially pre-tested on a small number of participants to identify any difficulty in understanding by the respondents

Description of Tool

• Demographic data survey instrument: The demographic form elicited information on participants’ background: age, marital status, religion, employment, education and many more

• Questionnaire: The questionnaire contains 20 structured knowledge related questions regarding Hypertension. One mark was given for each correct answer and zero for incorrect answer. The maximum score was 20 and minimum score was zero. Scoring was done on the basis of marks as >80% (16-20) = very good, 60-79% (12-15) = Good, 41-59% (8-11) = Fair, <40% (<8) = poor

• Validity of tool: By the experts in this field

• Data collection: Data was collected under the guidance of supervisors. The google form questionnaire was circulated among the residents of District Shimla Himachal Pradesh for responses using online modes like e-mail and social media platforms like Whatsapp groups, Facebook, Instagram and Linkedin till the 400 responses were collected

• Data analysis: Data was collected and entered in Microsoft excel spread sheet, cleaned for errors and analyzed with Epi Info V7 Software with appropriate statistical test in terms of frequencies and percentage

• Ethical Considerations: Participants confidentiality and anonymity was maintained

The study population comprised 400 respondents from District Shimla, Himachal Pradesh, with a diverse representation across various socio-demographic variables. The age distribution revealed that 15.75% of respondents were aged between 18-30 years, 24.5% were between 31-40 years, 20.75% were between 41-50 years and the largest group, 39%, were over 50 years old. Gender distribution showed a slight male predominance, with males constituting 54.5% and females 45.5% of the sample. Marital status was categorized as single, married and others, with the majority (62%) being married, followed by 25.25% single and 12.75% in the 'others' category.

In terms of religious affiliation, a substantial majority of 80.5% identified as Hindu, while Muslims, Sikhs and others comprised 7.25%, 8% and 4.25%, respectively. Employment status was classified into employed, unemployed and students. Employed individuals made up 50.5% of the respondents, while 24.25% were unemployed and 25.25% were students. The education level varied, with 20.5% having education below high school, 25.75% completing high school, 36.75% holding graduate degrees and 17% having postgraduate or higher qualifications (Table 1).

Table 1: Socio-Demographic Variables of the Study Population (N = 400)

Table 2: Knowledge Regarding Hypertension (N = 400)

Table 3: Overall Knowledge Score Categories

The study assessed respondents' knowledge about hypertension through 20 structured questions. The first question, "What is hypertension?" was correctly answered by 80.75% of respondents. Knowledge of normal blood pressure values was held by 78%, while 74.5% could identify the primary causes of hypertension. Awareness of hypertension symptoms was slightly lower at 71.75%.

Regarding the diagnosis of hypertension, 69% knew the correct process. Awareness of the potential complications of untreated hypertension stood at 66.25%. Questions about management and lifestyle changes showed that 64.5% knew that lifestyle changes could help manage hypertension and 62% were aware of dietary recommendations for hypertension patients.

Regular blood pressure monitoring was correctly identified by 59.75% and the influence of stress on blood pressure was known by 57.75%. Knowledge of treatment options was held by 55.75%. Awareness about the benefits of regular exercise in controlling hypertension was known to 52.75%, while 49.5% understood the role of sodium intake.

Less than half of the respondents (48.25%) knew that hypertension could be hereditary and 45.5% understood the role of medication in managing hypertension. The contribution of obesity to hypertension was known by 43.75% and 40.75% were aware of the impact of alcohol consumption on blood pressure. Age-related risks for hypertension were known to 38.5%, while the effect of smoking on blood pressure was recognized by 35.75%. Lastly, 32.25% of respondents knew about the long-term effects of hypertension medication (Table 2).

The overall knowledge scores were categorized into four levels: Very Good, Good, Fair and Poor. Respondents scoring between 16-20 were classified as having 'Very Good' knowledge, constituting 20.75% of the sample. Those with scores ranging from 12-15 fell into the 'Good' category, representing 30.5%. The 'Fair' category included respondents with scores between 8-11, making up 24%. Finally, those scoring below 8 were categorized as 'Poor,' accounting for 24.75% of the respondents (Table 3).

The findings of this study provide significant insights into the awareness and knowledge of hypertension among the general public in District Shimla, Himachal Pradesh. This discussion delves into the socio-demographic profile of the respondents, their knowledge and awareness of hypertension and the implications for public health interventions.

The age distribution indicates that a substantial proportion of the population is over 50 years old, a group typically at higher risk for hypertension. This age group is crucial for targeted interventions due to their increased vulnerability to hypertension-related complications. The gender distribution, showing a slight male predominance (54.5% males to 45.5% females), aligns with global trends where men often exhibit higher hypertension prevalence. This could be due to a combination of genetic, behavioral and lifestyle factors.

Marital status and religious affiliations provide further context. With 62% of respondents being married, the role of family dynamics in health behaviors and stress management comes into play, potentially affecting hypertension risk. The religious composition, predominantly Hindu 80.5%, with minorities of Muslims 7.25%, Sikhs 8% and others 4.25%, could influence health behaviors and access to community support systems [5].

Employment and education levels reveal additional layers of understanding. The fact that 50.5% of respondents are employed suggests economic stability, which could facilitate access to healthcare resources. However, the 24.25% unemployed and 25.25% students highlight segments that may face financial or informational barriers to healthcare. Education levels, with 36.75% holding graduate degrees and 17% having postgraduate qualifications, suggest a relatively educated population. However, the presence of 20.5% with education below high school indicates a critical area for targeted health literacy programs.

The assessment of respondents' knowledge about hypertension presents a nuanced picture. The high awareness regarding basic concepts such as "What is hypertension?" 80.75% and normal blood pressure values 78% is encouraging and indicates a good foundation. However, deeper insights reveal significant gaps. For example, while 74.5% could identify the primary causes of hypertension, fewer understood the more nuanced aspects like the hereditary nature of hypertension 48.25% and the role of medication 45.5%.

Awareness of symptoms and diagnostic methods is moderate, with 71.75% recognizing symptoms and 69% aware of diagnostic procedures. This suggests that while there is a general recognition of hypertension, a substantial portion of the population might not fully grasp its implications or the importance of timely and accurate diagnosis. Furthermore, awareness of potential complications of untreated hypertension 66.25% highlights the need for educational interventions focusing on the long-term consequences of the condition.

Knowledge about lifestyle modifications and their impact on hypertension is crucial for both prevention and management. It is promising that 64.5% of respondents recognized the importance of lifestyle changes and 62% were aware of dietary recommendations. This indicates an understanding of the modifiable risk factors associated with hypertension. However, the remaining portion that lacks this knowledge signifies a gap that needs addressing through public health education.

The correct identification of the need for regular blood pressure monitoring 59.75% and the impact of stress on blood pressure 57.75% is moderate. This highlights the need for better communication about the importance of regular health check-ups and stress management. Additionally, awareness about the benefits of regular exercise 52.75% and the role of sodium intake 49.5% shows that while some respondents are informed, there is a considerable knowledge gap that needs bridging.

The overall knowledge scores were categorized into four levels: Very Good, Good, Fair and Poor. Respondents scoring between 16-20 were classified as having 'Very Good' knowledge, constituting 20.75% of the sample. Those with scores ranging from 12-15 fell into the 'Good' category, representing 30.5%. The 'Fair' category included respondents with scores between 8-11, making up 24%. Finally, those scoring below 8 were categorized as 'Poor,' accounting for 24.75% of the respondents. These categories clearly indicate that while there is a segment of the population with good to very good knowledge, a significant portion remains inadequately informed about hypertension.

These findings underscore the urgent need for tailored public health interventions in Shimla. The data suggests that while there is a basic awareness of hypertension, critical gaps in specific knowledge areas need to be addressed. Educational campaigns should focus on comprehensive hypertension management, including lifestyle changes, regular monitoring, understanding complications and the importance of medication adherence [6-10].

Public health policies must leverage the high literacy rate and employment levels in Shimla to disseminate information effectively. Collaborations with local healthcare providers, community leaders and media can help create more impactful health education programs. Utilizing digital platforms for spreading awareness can also be beneficial, given the increasing internet penetration in the region. Moreover, targeted interventions for specific demographic groups, such as the elderly and less educated, could help bridge the knowledge gap more effectively.

The study highlights the need for continuous education and awareness programs tailored to the socio-demographic context of Shimla. Addressing the identified knowledge gaps can lead to better hypertension management and prevention, ultimately reducing the burden of cardiovascular diseases in the region. Future research should focus on evaluating the effectiveness of implemented educational interventions and exploring innovative ways to enhance public health literacy on hypertension. These efforts will contribute to the broader goal of improving cardiovascular health and reducing the incidence of hypertension-related diseases in Himachal Pradesh and similar settings.

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2. World Health Organization. Hypertension. 2023, https://www.who.int/health-topics/hypertension#tab=tab_1

3. World Health Organization. Hypertension. 2023, https://www.who.int/news-room/fact-sheets/detail/hypertension

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5. World Heart Federation. Hypertension. 2023, https://world-heart-federation.org/what-we-do/hypertension/

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10. Gupta, R. et al. “Hypertension unveiled in the himalayas: a holistic exploration of public awareness and knowledge on risk factors, preventive measures, treatment options and complications among the residents of district Kinnaur, Himachal Pradesh.” Himalayan Journal of Economics and Business Management, vol. 4, no. 6, 2023, pp. 33–39.