Ka-fai Chung

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..The study aimed to determine whether pain and pain catastrophizing were independent predictors of QOL in MDD after accounting for the impact of anxiety and depression...

..We hypothesized that sleep onset problem was mainly due to hyperarousal and sleep maintenance difficulty was primarily related to sleep-disordered breathing...

..Regardless of the dosing method used, the range and the determinants of seizure threshold in different ethnic groups are useful clinical information...

..To determine sleep-wake patterns and evaluate sleep disturbance in Hong Kong adolescents; to identify factors that are associated with sleep disturbance; and to examine the relationship of sleep-wake variables and academic performance...

..The aim of the present study was to determine the validity of a Chinese version of the Mood Disorder Questionnaire (MDQ) as a screening instrument for bipolar disorder in a psychiatric outpatient population in Hong Kong...

..The objective of the study was to determine the reliability and validity of a Chinese version of the Mood Disorder Questionnaire (MDQ) in the general population in Hong Kong...

..Insomnia and pain are frequent complaints during the course of a major depressive episode. We analyzed the association between insomnia and pain symptoms using subjective and objective sleep measures...

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..To compare the psychometric properties of the Chinese versions of Insomnia Severity Index (ISI), Athens Insomnia Scale (AIS) and Sleep Quality Index (SQI) for assessment and screening of insomnia in adolescents...

..To examine the factors associated with subjective sleep disturbance in middle-aged Hong Kong Chinese women...

..The aim of this study is to compare patients with schizophrenia with their relatives and the general public in their attitudes towards schizophrenic psychotic symptoms...

..The results cast doubts that less pejorative labels can reduce the social stigma of schizophrenia. Some potential drawbacks in using politically correct terms to describe schizophrenia are highlighted...

..To determine the use of the Epworth Sleepiness Scale (ESS) in Chinese patients with obstructive sleep apnea syndrome (OSA) and normal hospital employees...

..The pros and cons of dose titration and 'half-age' prediction method will be discussed. Our early experience suggests that dose titration could be performed in the majority of patients receiving ECT...

..Public attitudes towards mental patients and psychiatric treatment are mostly unfavorable. Mental patients tend to conceal their illness or selectively disclose their treatment histories to someone they trust...

..A better dosing policy that places less emphasis on seizure duration is proposed...

..There has been a concern about indiscriminate use of electroconvulsive therapy (ECT) in Asian countries. This study examined the rates of ECT use and the characteristics and outcomes of patients treated with ECT in Hong Kong...

..We also studied the effects of pre-morbid adjustment, educational level, living alone, and mode of onset as potential determinants of the duration of untreated psychosis (DUP)...

..This preliminary study examined the initial seizure threshold for bilateral electroconvulsive therapy (ECT) in Chinese and the correlates of this seizure threshold...

..Sleep-disordered breathing (SDB) in Asian populations is being increasingly recognized. This study investigated the prevalence of SDB in Chinese middle-aged office-based male workers in Hong Kong...

..01) differed significantly between the two groups. In conclusion, CT cephalometric measurements show that certain anatomical variations in the head and neck are likely to contribute to the pathogenesis of OSA in Chinese patients...