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Table 1 Overview of data collection and measurements in both CRT arms

From: Reducing salt intake for prevention of cardiovascular diseases in high-risk patients by advanced health education intervention (RESIP-CVD study), Northern Thailand: study protocol for a cluster randomized trial

Visit number 1 2 3 4 5 6 7 8 9 10 11 12 13
Month 0 1 2 3 4 5 6 7 8 9 10 11 12
Inclusion and exclusion criteria x             
Framingham score x    x          x
Estimated 24-hour salt intake, overnight urine x    x          x
Blood pressure x x x x x x x x x x x x x
Body composition x    x          x
Blood glucose x             
HbA1c x             
Lipid profile x             
BUN, creatinine x             
Sodium, potassium x             
Uric acid x             
CVD event x    x          x
CVD death x    x          x
Retinal caliber x             
Demographic characteristics x             
Questionnaires assessing behavioral change x    x          x
Questionnaires assessing health costs x    x          x