Zhi Kang Niccol Lee

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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(More)
Sleep norms vary between individuals, being affected by personal, communal, and socioeconomic factors. Individuals with sleep time which deviate from the population norm are at risks of adverse mental, cardiovascular, and metabolic health. Sleep-related issues are common agenda for consultation in primary care. This study aimed to determine the sleep time,(More)
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