a) All hypertensive patients from the Ashgrove Health Centre Blood Pressure Clinic (435) for whom recent baseline information on their blood pressure and control is available (these data were recently collected for an extensive audit) will be selected for invitation to take part in the study. All will be sent an invitation/ information letter to their home address asking them to consent to the study Those participants who consent to the study will also be asked to complete a questionnaire to measure anxiety (Hospital Anxiety and Depression Scale: HADS) and return it to the surgery using an SAE. Those who fail to return a response will be sent a reminder in two weeks. Information booklets will be sent to all participants who have consented (whether their anxiety questionnaire has been returned or not).