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Fit to Dance Survey: elements of lifestyle and injury incidence in Chinese dancersThe Fit to Dance survey has been conducted a number of times using primarily Western participants and has provided foundation data for other studies. The purpose of the current study was to replicate the Fit to Dance 2 survey focusing on features of health and injuries in pre-professional and professional Chinese dancers of different genres. Results revealed that respondents (n=1040) were from Chinese Folk dance (44.4%), Chinese Classical Dance (25.6%), ballet (10.2%) and contemporary dance (9.8%). Compared to the Fit to Dance 2 survey, alcohol consumption (29% vs 82%; p<0.01) and smoking (13% vs 21%; p<0.05) were significantly less in Chinese dancers, but a higher percentage reported using weight reducing eating plans (57% vs 23%; p<0.01) or having psychological issues with food (27% vs 24%; p<0.05). Reported injuries in a 12-month period prior to data collection were significantly lower in the current survey (49% vs 80%; p<0.01). The type of injury (muscle and joint/ligament) and perceived cause of injury (fatigue, overwork and reoccurrence of an old injury) were the same in both the current and previous survey. Mean injury rate for the studied 12-month period ranged from 4.9 injuries per dancer (contemporary) to 3.4 injuries per dancer (Chinese Folk dance) which is comparable to previously reported data on western dance populations. This survey has provided the first comprehensive data on the health and injury incidence of Chinese dancers.
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Association of passive smoking with cognitive impairment in nonsmoking older adults: a systematic literature review and a new study of Chinese cohort.Association of passive smoking with cognitive impairment in older adults is unclear. We carried out a systematic literature review and a new study to determine the association. There were 3 cross-sectional studies published, showing a significant association of passive smoking with cognitive impairment (a relative risk (RR) of about 1.30-1.90). In the new cohort study, we interviewed 1081 never-smoking participants aged ≥ 65 years in China using a standard method of the Geriatric Mental State-Automated Geriatric Examination for Computer Assisted Taxonomy and found a significant association with dose response; multivariate adjusted RR was 1.02 (95% confidence interval 0.67-1.55) in > 0 to 49 exposure level years of passive smoking, 1.57 (1.00-2.47) in 50 to 99, and 2.12 (1.24-3.63) in ≥ 100, trend P = .008. The relationship seems not to be a reverse causality of the effect. Passive smoking could be considered an important risk factor for cognitive impairment in older adults. Avoiding exposure to passive smoking would help to preserve cognitive decline in later life.
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The Chinese Quality Of Life Instrument: Development Of A New Health-Related Quality Of Life Instrument Using Factor Analysis And Structural Equation ModelingA new Chinese Quality of Life Instrument (ChQOL) based on the principles of diagnosis and practice in Chinese medicine has been developed. This paper describes the development of the ChQOL instrument using factor analysis and structural equation modeling. An initial pilot version of the 78 items instrument was field tested in a sample 273 subjects recruited from different areas in China. The objective of this study was to determine the factor structure and latent constructs of the ChQOL based on factor analysis. A series of confirmatory factor analysis and structural equation models were used to determine the final model of the ChQOL. The results showed that the application of factor analysis and structural equation modeling is an effective method to develop the new health-related quality of life instrument, ChQOL, even though the practice of Chinese medicine is quite different from the practice of conventional western medicine.
