Motivational messages
At baseline, 402 of 482 participants in the intervention group chose to receive motivational messages during the intervention period. There was no significant difference regarding the proportion of participants with a BP of less than 140/90 mmHg when compared within the intervention group. In all, 50% (When excluding the participants who chose not to receive motivational messages and comparing them to the control group, there was a significant difference between the groups at 8 weeks and a close to significant difference after 12 months (Table Comparison of participants in the intervention group who chose to receive motivational messages with the control group