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  • Title: Subjective sleep disturbance and its correlates in middle-aged Hong Kong Chinese women.
    Author: Chung KF, Tang MK.
    Journal: Maturitas; 2006 Mar 20; 53(4):396-404. PubMed ID: 16107305.
    Abstract:
    OBJECTIVES: To examine the factors associated with subjective sleep disturbance in middle-aged Hong Kong Chinese women. METHODS: A total of 305 women aged 45-55 years were recruited at community-based women's clubs. Eligible subjects were of Chinese ethnicity and not taking oral contraceptives, hormone therapy or had received surgical removal of ovary. Standardized questionnaires, including sociodemographic, health and life-style variables, Pittsburgh Sleep Quality Index (PSQI), Greene Climacteric Scale (GCS) and Perceived Stress Scale were administered. RESULTS: About 18% of the sample complained of difficulty initiating sleep, difficulty maintaining sleep or early morning awakening at least three times per week in the past month. About 26% of the women were poor sleepers as defined by a global PSQI score >5. Sleep difficulty was one of the five most commonly reported climacteric symptoms. Cross-sectional analysis found that significantly more peri- and postmenopausal women had subjective sleep disturbance than premenopausal women. Multiple logistic regression analysis showed that women who had high levels of somatic complaints, psychological symptoms and perceived stress had a four to sixfold increased risk of reporting disturbed sleep. Menopausal status was not an independent predictor. CONCLUSIONS: Comparison of our findings with recent literatures suggested a lower prevalence of insomnia in Hong Kong Chinese middle-aged females than Caucasian women. Somatic complaints, psychological symptoms and perceived stress were independent risk factors for sleep disturbance. Clinicians should screen for sleep problems in middle-aged Chinese women with prominent somatic and psychological symptoms and perceived stress.
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