Key result
Among hypertensive adults, higher urinary sodium excretion was significantly associated with higher mid-upper arm circumference (P=0.009), systolic blood pressure (P=0.011), and diastolic blood pressure (P=0.005).
Why the study?
Excess salt consumption increases blood pressure, prompting this substudy to assess baseline knowledge about hypertension and dietary salt intake behavior and identify predictors for urinary salt excretion among rural hypertensive individuals in Bangladesh.
What are the baseline knowledge and predictors of urinary salt excretion among rural hypertensive individuals?
RCT (n=420)
What are the baseline knowledge and predictors of urinary salt excretion among rural hypertensive individuals?
Higher urinary sodium excretion is significantly associated with higher blood pressure and overweight status in rural hypertensive adults in Bangladesh.
Higher urinary sodium excretion in rural hypertensives signals need for targeted education; leaves open which predictors best guide salt-reduction trials.
A BSTRACT Background: Excess salt consumption increases blood pressure, and therefore, this substudy was designed among rural hypertensive individuals to assess the baseline knowledge about hypertension (HTN), and dietary salt intake behavior and identify the potential predictors for urinary salt excretion in Bangladesh. Material and Methods: A total of 420 participants were enrolled after meeting the eligibility criteria during the 12 months of the study period. The participants received behavior changes related to short message services (SMS) and face-to-face education from community health workers. Results: Our study results found that 80% of the participants had positive knowledge of HTN. This study showed that the mean value of overnight urinary sodium excretion was 10.65 ± 3.00 at the 1 st -month follow-up and 10.24 ± 3.03 at the endline. We found that mid-upper arm circumference (MUAC), systolic blood pressure (SBP), and diastolic blood pressure (DBP) were significantly related to higher salt intake ( P = 0.009, P = 0.011, and P = 0.005, respectively). However, participants had improved their MUAC, SBP, and DBP status in their 1 st follow-up period, but still, significant associations were observed between them ( P = 0.033, P = 0.011, and P = 0.002, respectively). Conclusion: This study’s results found that sodium excretion among hypertensive participants was higher, and higher urinary sodium excretion was associated with overweight and BP in adults. Nonetheless, the real salt intake practice among the Bangladeshi population is still unknown, which demands further research.
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Jahan et al. (2024) conducted an RCT in Hypertension (n=420). Behavior change education via short message services (SMS) and face-to-face visits was evaluated on Baseline knowledge about hypertension and predictors for urinary salt excretion. Among hypertensive adults, higher urinary sodium excretion was significantly associated with higher mid-upper arm circumference (P=0.009), systolic blood pressure (P=0.011), and diastolic blood pressure (P=0.005).
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