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Year : 2020  |  Volume : 11  |  Issue : 1  |  Page : 162

High prevalence of prehypertension and its association with modifiable risk factors: findings of household steps survey from Urban Puducherry, South India

1 Department of Preventive and Social Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
2 Department of Community Medicine, All India Institute of Medical Sciences, Nagpur, Maharashtra, India
3 Centre for Community Medicine, All India Institute of Medical Sciences, New Delhi, India
4 Department of Community and Family Medicine, All India Institute of Medical Sciences, Mangalagiri, Andhra Pradesh, India

Correspondence Address:
Kalaiselvi Selvaraj
Department of Community Medicine, All India Institute of Medical Sciences (Nagpur), Hanuman Nagar-Nagpur, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijpvm.IJPVM_6_19

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Background: Prehypertension increases the likelihood of hypertension, cardiovascular diseases, and renal failure, and it is amenable to control if it is detected early. The burden of prehypertension prevalent in the community is not much explored. This study aimed to estimate the prevalence and to identify the socio-behavioral and dietary factors related to prehypertension in South India. Methods: A community-based cross-sectional study was carried out where data related to socio-demographic status, substance use, dietary patterns, physical activity, and associated comorbidities were assessed using the WHO STEPwise survey tool. Adults aged >=18 years who were not previously diagnosed and treated for hypertension were assessed for prehypertension. Prevalence of prehypertension is reported as percentage with 95% CI. Association was reported as adjusted prevalence ratio obtained through multivariable log binomial regression adjusted for potential confounders. Results: Among 2399 participants, 2213 underwent screening. Among 2213 adults, 810 (36.6%, 95% CI: 34.6–38.6%) were in the prehypertension range. The adjusted prevalence for prehypertension was 36.2% among males and 37.2% among females, respectively. Being in the age group of 45–54 years aPR-1.36, body mass index (BMI) >23 Kg/m2 aPR-1.25, consumption of more than 6 grams of salt per day aPR-1.15 times were more likely to be associated with prehypertension. The comorbid conditions such as diabetes are less likely to be associated with prehypertension aPR-0.54 (0.41–0.72). Conclusions: This community-based surveillance showed 36% of prehypertension among adults which would have been missed if we were to follow the routine cares such as opportunistic and high-risk-based screening. Since prehypertension increases the risk for various end organ failures, there is an impending need to focus on screening and promote healthy lifestyles.

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