Table 1.

Time schedule of enrolment, interventions, and outcome measures

	Recruitment and baseline data collection	Intervention and follow-up assessment
Time schedule	December 2020–March 2021	May 2021–November 2021
Parameter assessments
(i) Blood pressure	√	√
(ii) Participant information including age, gender, level of education, occupation, and self-reported medical history	√
(iii) Health literacy data using the shorter version of the European Health Literacy Survey Questionnaire HLS-EU-Q12 [36]	√
(iv) Smoking cessation motivation questionnaire (Q-MAT) [43]	√	√
(v) Global Physical Activity Questionnaire (GPAQ) [44, 45]	√	√
(vi) Dietary motivation questionnaire, which is a modified version of the smoking cessation motivation questionnaire (Q-MAT)	√	√
(vii) Information related to the use of a mobile phone in managing blood pressure	√
(viii) Qualitative data on perceived barriers and enablers in changing lifestyle in managing blood pressure	√	√
(ix) Information on willingness to adopt the lifestyle change activities		√
(x) Information on willingness to continue the activities after the intervention		√
(x) Information on the effectiveness of the intervention components		√

Data analysis and manuscript writing from the baseline data from March 2021 to October 2021 (until follow-up assessments)