Table 1.

Search strategy for databases.

Databases	Keywords and Query
PubMed	“Telemedicine” [Mesh] OR “Mobile health” [tw] OR mHealth [tw] OR eHealth [tw] OR “Tele-Referral” [tw] OR Tele Referral [tw] Filters: in the last 10 years “Hypertension” [Mesh] OR “hypertensi” [tw] OR “high blood pressure” [tw] Filters: in the last 10 years “Primary Health Care” [Mesh] OR “primary health care” [tw] OR “primary care” [tw] Filters: in the last 10 years
Scopus	(TITLE-ABS-KEY (telemedicine) or title-abs-key (“mobile health”) or title-abs-key (mhealth) or title-abs-key (ehealth) or title-abs-key (tele referral) and title-abs-key (hypertension) or title-abs-key (“high blood pressure”) and title-abs-key (“primary health care”) or title-abs-key (“primary care”)) and pubyear > 2012 and pubyear > 2012
Science direct	“high blood pressure” AND telemedicine OR “mobile health” OR “eHealth” AND “primary health care”
Embase	((‘high blood pressure’/exp OR ‘high blood pressure’ OR ‘hypertension’/exp OR hypertension) AND (‘telemedicine’/exp OR telemedicine) OR ‘mobile health’/exp OR ‘mobile health’ OR ‘ehealth’/exp OR ehealth) AND (‘primary health care’/exp OR ‘primary health care’) AND ((controlled clinical trial)/lim OR (randomized controlled trial)/lim) AND (2013–2023)/py