The patterns of health care seeking behavior of 1061 schizophrenics and the factors that affect the determination of the patterns were studied in 6 areas of 5 nations in east Asia: Hunan and Sichuan Provinces in China, Japan, Korea, Malaysia and the Philippines. The information was gathered through a structured questionnaire developed by the authors. The subjects generally favored psychiatry-oriented health care, but with frequent interruptions or combination with other types of managements. Most Japanese subjects sought care in western medicine, while subjects from Hunan, Sichuan and Korea alternated between western medicine and magicoreligious therapies or traditional herbal medicine. In the Philippines and Malaysia, the majority of the subjects sought magicoreligious therapies first, then later sought western psychiatric care. The choice of western psychiatric care was mostly influenced by the decision maker's knowledge and interpretation of the patient's illness. In determining the choice of management among various types of non-psychiatric management, cost, location, and societal attitudes played substantial roles as well as knowledge and interpretation. Suggestions and opinions were discussed to improve health care services for schizophrenic patients in each community.

The interrater reliability, confidence and ease of use of ICD-10 diagnostic criteria for research were assessed in the Republic of Korea as part of the field trials of World Health Organization collaborative study. A total of 279 patients were diagnosed according to the ICD-10 diagnostic criteria for research. Interrater reliability, calculated by kappa statistics, was found to be between 0.74 and 0.91 on 2-character categories and between 0.64 and 0.90 on 3-character categories except schizotypal disorder (F21). On the 4-character categories, the agreement in the affective states between raters was lower. The reasons are discussed based on cultural differences.

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