title: Factors affecting psychological state during one year on a hypertension trial.
mesh_terms: D002986:Clinical Trials as Topic; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006973:Hypertension / Q000523:psychology* / Q000628:therapy; D008297:Male; D009723:Nurse-Patient Relations; D012737:Sex Factors; D011795:Surveys and Questionnaires