Blood pressure changes with age in two ethnic groups in Fiji

Area of Science:

• Cardiovascular epidemiology
• Public health research
• Population health studies

Background:

• Cardiovascular disease risk factors vary globally.
• Understanding population-specific health trends is crucial for targeted interventions.
• Fiji's diverse Melanesian and Indian populations offer a unique study context.

Purpose of the Study:

• To investigate blood pressure patterns in Fijian populations.
• To identify demographic and geographic variations in hypertension prevalence.
• To compare current findings with historical data from 1960.

Main Methods:

• Cross-sectional study design.
• Data collection during the 1980 National Cardiovascular Disease and Diabetes Survey.
• Analysis of blood pressure, anthropometric measurements, and lifestyle factors (salt intake).

Main Results:

• Mean blood pressure increased with age and was higher in urban than rural populations.
• No significant ethnic differences in blood pressure were observed between Melanesian and Indian groups.
• Hypertension prevalence mirrored age and geographic trends; no significant change from 1960.

Conclusions:

• Urban living and older age are associated with higher blood pressure in Fiji.
• Lifestyle factors like salt consumption and body fat (triceps skinfold) correlate with blood pressure.
• Public health strategies should consider geographic and age-related disparities in hypertension management.