Salt intake, blood pressure, and socioeconomic disparities among government employees in Sri Lanka: A cross-sectional study

Anuji Upekshika Gamage, Rohini De Alwis Seneviratne, Fahad S. Hanna

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Abstract

Our study estimated salt intake, examined the association between blood pressure (BP) and salt intake, and explored the socioeconomic variations in salt intake among administrators (government employees). This is a cross-sectional study. We studied 168 randomly selected administrators aged 30-60 years attached to government offices in Colombo, Sri Lanka. Self-administered questionnaire gathered information on socio-demographic, work-related information, lifestyle practices, and medical history. BP, 24-hour urine collection, and anthropometric indices were measured. Mean salt intake levels measured by 24-hour Sodium (Na) excretion in hypertensives and non-hypertensives were 202.56 (SD ± 85.45) mmol/day and 176.79 (SD ± 82.02) mmol/day, respectively. A 100-mmol increase in sodium was associated with an average increase of 3.1 (95 per cent CI 2-4.2) mmHg in systolic BP and 1.8 (95 per cent CI 0.89-2.6) mmHg in diastolic BP. Higher salt intake was found in managerial assistants (12.38 ± 5.0 g) compared with senior officers (10.84 ± 4.9 g). Salt intake among these administrators was alarmingly high. High salt intake was positively associated with hypertension and more prevalent in lower socioeconomic strata.

Original languageEnglish
Pages (from-to)327-344
Number of pages18
JournalJournal of Public Health Policy
Volume38
Issue number3
DOIs
Publication statusPublished - 1 Aug 2017
Externally publishedYes

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Keywords

  • 24-Hour urinary sodium excretion
  • hypertension
  • Salt Intake
  • socioeconomic inequalities

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