Sigrid Beer?Borst|Xhyljeta Luta|Stefanie Hayoz|Kathrin Sommerhalder|Corinna Krause|Julia Eisenblätter|Sandra Jent|Stefan Siegenthaler|Rafael Aubert|Max Haldimann|Pasquale Strazzullo
Study design and baseline characteristics of a combined educational and environmental intervention trial to lower sodium intake in Swiss employees
Institute of Social and Preventive Medicine|University of Bern|Institute of Social and Preventive Medicine|University of Bern|Institute of Social and Preventive Medicine|University of Bern|Bern University of Applied Sciences|Institute of Social and Preventive Medicine|University of Bern|Bern University of Applied Sciences|Bern University of Applied Sciences|Bern University of Applied Sciences|Federal Food Safety and Veterinary Office|Federal Food Safety and Veterinary Office
blood pressure primary cardiovascular disease risk factor populationwide governmental strategies aim reduce lifestyle dietary risk factors hypertension one unbalanced diet high sodium low potassium intakes nutrition interventions workplace considered promising approach encouraging healthpromoting behaviors developed conducted health promoting sodium reduction trial healthful tasty sure worksites germanspeaking part switzerland may 2015 nov 2016 present study protocol baseline characteristics healthful tasty cluster nonrandomized singlearm trial calibration arm aimed demonstrate effectiveness combined educational environmental intervention workplace reducing employees average daily sodiumsalt intake 15 end health food literacy employees guideline compliance among catering facility team needed improved primary outcome measure sodiumsalt intake estimated sodium excretion 24h urine sample secondary outcome measures included changes overall qualitative diet composition blood pressure anthropometric indices health food literacy eight organizations catering facilities seven organizations took part nutrition education catering salt reduction interventions one organization participated control overall 145 consenting employees included staggered oneyear fourphase trial 132 participated intervention group addition catering surveys food sampling trial included five followup health assessments including questionnaires blood pressure measurements anthropometrics sodium potassium iodine intake measurements obtained 24h spot urine samples food record checklist exploratory hypothesis generating baseline statistical analysis included 141 participants adequate 24h urine samples despite practicedriven limitations study design small cluster participant numbers trial methodological strength provide important insights effectiveness combined educational environmental intervention reduce salt intake among female male swiss employees german clinical trials register drks00006790 registered 23 september 2014