SUMMARY A 1-year, randomized study was conducted to test the possibility of improving compliance with
therapeutic regimens in hypertensives by means of certain simple arrangements. Patients were given written
treatment instructions concerning hypertension, a personal blood-pressure follow-up card, and, for those who
failed to attend their blood-pressure check-up, an invitation for a new check-up. Using matched pairs, 202 Finnish
hypertensives were randomly allocated either to an ordinary or a reorganized treatment group. By means