Objective 24 h urinary sodium extretion was used to estimate the daily salt intake of shandong residents aged from 18 to 69 years in China. Setting 20 selected counties/districts in Shandong stratified by geographic region (Eastern, Central Southern and North Western) and residence type (urban vs rural). Participants Among 2184 randomly selected adults, 2061 provided usable 24 h urine samples. Urine volume 500 mL or male creatinine 3.81 (female creatinine 4.57) are not included in the analysis. Results The mean sodium level excreted over 24 h was 237.61 mmol (95 CI 224.77 to 250.44) mmol. Overall, the estimated mean salt intake was 13.90 g/day (95 CI 13.15 to 14.65). The mean salt intake among rural residents was higher than that among urban residents (14.00 vs 13.68 g; p0.01). Salt intake in men was higher than that in women (14.40 vs 13.37 g; p0.01). Approximately 96 of the survey participants had a dietary salt intake of ≥6 g/day. Conclusions The salt intake in Shandong is alarmingly higher than the current recommended amount (6 g/day). Thus, effective interventions to reduce salt intake levels to combat the increasing burden of non-communicable diseases need to be developed and implemented.
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