TABLE 1.

Follow‐up assessment schedule of the trial

Assessments ● Mandatory ○ If needed		Screening	Treatment period								At withdrawal
			Week 0	Week 4	Week 8	Week 12	Medication‐use evaluation	Week 16	Week 20	Week 24
			Day1	Day 29	Day 57	Day 85		Day 113	Day 141	Day 169
Scheduled visits		28 d before registration	Registration	±14 d	±14 d	±14 d	Within 14 d after ABPM at 12 wk	±14 d	±14 d	±14 d	Within 14 d after withdrawal
Eligibility		●	●
Informed consent		●
Registration & Randomization			●
Usage monitoring of
investigational medical device (app)				●	●	●		○	○	●	●
Baseline characteristics		●
Examination	Subjective	●	●	●	●	●	●	○	○	●	●
	Objective	●	●	●	●	●	●	○	○	●	●
Physical	Height	●
	Weight	●		●	●	●		○	○	●	●
	BMI	●		●	●	●		○	○	●	●
	Waist circumference	●				●				●	●
Physiological functions	ABPM	●				●				●	●
	Home BP and HR (awake and bedtime)	●		●	●	●		○	○	●	●
	Office BP and HR	●		●	●	●		○	○	●	●
	12‐lead ECG	●
Epworth sleepiness scale		●
Laboratory	Blood test	●				●				●	●
	Pregnancy test	○
	Urinalysis	●				●				●	●
Salt intake check sheet		●				●				●	●
Medication usage							●	○	○	●	○
Concomitant medication & treatment		●	●	●
Adverse events			●	●