Prevalence of musculoskeletal symptoms among garment workers in Kandal province, Cambodia: Leap Van, et al. Department of Community Medicine, Faculty of Medicine, Khon Kaen University, Thailand Objective The main objectives of this cross‐sectional descriptive study were to identify the prevalence of musculoskeletal symptoms and workstation biomechanical risk levels for garment workers in Kandal Province, Cambodia. Methods This cross‐sectional descriptive study used multistage sampling techniques to select 714 workers from three garment factories among 22 medium‐size factories (250−1,000 workers). Face‐to‐face interviews and direct observation using the rapid upper limb assessment scale (RULA) were used to collect data. Results The response rate was 98.3% (702/714), and the majority (89.3%) of the respondents were female. Ninety‐two percent (95% CI=90.0−94.0) of the workers reported musculoskeletal symptoms in at least one body region in the previous 12 months and 89.0% (95% CI=86.7−91.3) of the workers reported such symptoms in the past seven‐day period. The neck, shoulder, and lower back were the most affected body regions. In addition, the RULA data showed that 81.2% of the workers’ postures were rated as action level 3, indicating that investigation and change were required soon, and that 7.5% their postures were rated as action level 4, indicating that investigation and change were required immediately. Conclusions Cambodian garment workers reported a high prevalence of musculoskeletal symptoms in upper body regions, and their workplaces were rated as high risk ergonomically.
ObjectivesAs quality of work-life (QWL) among nurses affects both patient care and institutional standards, assessment regarding QWL for the profession is important. Work-related Quality of Life Scale (WRQOLS) is a reliable QWL assessment tool for the nursing profession. To develop a Chinese version of the WRQOLS-2 and to examine its psychometric properties as an instrument to assess QWL for the nursing profession in China.MethodsForward and back translating procedures were used to develop the Chinese version of WRQOLS-2. Six nursing experts participated in content validity evaluation and 352 registered nurses (RNs) participated in the tests. After a two-week interval, 70 of the RNs were retested. Structural validity was examined by principal components analysis and the Cronbach's alphas calculated. The respective independent sample t-test and intra-class correlation coefficient were used to analyze known-group validity and test-retest reliability.ResultsOne item was rephrased for adaptation to Chinese organizational cultures. The content validity index of the scale was 0.98. Principal components analysis resulted in a seven-factor model, accounting for 62% of total variance, with Cronbach's alphas for subscales ranging from 0.71 to 0.88. Known-group validity was established in the assessment results of the participants in permanent employment vs. contract employment (t = 2.895, p < 0.01). Good test-retest reliability was observed (r = 0.88, p < 0.01).ConclusionThe translated Chinese version of the WRQOLS-2 has sufficient validity and reliability so that it can be used to evaluate the QWL among nurses in mainland China.
Background: The Work-Related Quality of Life Scale (WRQLS) was developed for health-care workers in England but might be useful, if valid, in other parts of the world or for other professions. Objective: We test the construct validity and reliability of the WRQLS as applied to nurses in Singapore. Methods: A descriptive study was undertaken in 2009 on a sample of 811 nurses at the National University Hospital (NUH) of Singapore who had at least one year’s work experience. The WRQLS was used in order to test its construct validity. Exploratory factor analysis was performed to reduce the factors used to determine WRQLS variance. The Pearson’s correlation was used to evaluate the relationship between the WRQLS and the 12-item short form health survey (SF-12) in order to substantiate conclusions regarding construct validity while Cronbach’s alpha was calculated to test WRQLS reliability. Results: The median age of the respondents was 31 (IQR=12) and the majority were female (96.9%). The median duration of work experience was seven years (IQR=10). Following the exploratory factor analysis, a five-factor model with 22 items was selected, including; 1) job and career satisfaction, 2) general well-being, 3) home-work interface, 4) stress at work, and 5) working conditions. The correlation coefficient showed a moderate relationship between the WRQLS and mental component scale (MCS-12) (r=0.495); and a weak relationship between the WRQLS and physical component scale (PCS-12) (r=0.149). The Cronbach’s alpha revealed good reliability (r=0.92). Conclusion: The WRQLS test among nurses in Singapore showed good construct validity and reliability. It could be useful in a working environment in Asia but further testing might be warranted.
BackgroundCurrently available questionnaires for evaluating the quality of worklife do not fully examine every factor related to worklife in all cultures. A tool in Thai is therefore needed for the direct evaluation of the quality of worklife. Our aim was to translate the Work-related Quality of Life Scale-2 (WRQLS-2) into Thai, to assess the validity and reliability of the Thai-translated version, and to examine the tool's accuracy vis-à-vis nursing in Thailand.MethodsThis was a descriptive correlation study. Forward and backward translations were performed to develop a Thai version of the WRQLS. Six nursing experts participated in assessing content validity and 374 registered nurses (RNs) participated in its testing. After a 2-week interval, 67 RNs were retested. Structural validity was examined using principal components analysis. The Cronbach's alpha values were calculated. The respective independent sample t test and intraclass correlation coefficient were used to analyze known-group validity and test–retest reliability. Multistate sampling was used to select 374 RNs from the In- and Outpatient Department of Srinagarind Hospital of the Khon Kaen University (Khon Kaen, Thailand).ResultsThe content validity index of the scale was 0.97. Principal components analysis resulted in a seven-factor model, which explains 59% of the total variance. The overall Cronbach's alpha value was 0.925, whereas the subscales ranged between 0.67 and 0.82. In the assessment results, the known-group validity was established for the difference between civil servants and university employees [F (7.982, 0.005) and t (3.351; p < 0.05)]. Civil servants apparently had a better quality worklife, compared to university employees. Good test–retest reliability was observed (r = 0.892, p < 0.05).ConclusionThe Thai version of a WRQLS appears to be well validated and practicable for determining the quality of the work-life among nurses in Thailand.
ObjectiveTo study the association of workplaces and recent onset latent tuberculosis (LTB) in health care workers (HCW).MethodsA case-control study was conducted at Srinagarind Hospital, Khon Kaen University, Thailand. We recruited HCW who had results of tuberculin test within 2 consecutive years from 2001–2008 and also had fixed workplaces (working hours more than 40 hours/week). Cases were subjects with tuberculin conversion, while controls were subjects with negative results of tuberculin test in two consecutive years. Tuberculin conversion was defined if a subject had a negative baseline tuberculin test and a positive tuberculin test in the next consecutive years. Baseline characteristics, workplaces (office, in-patient unit, out-patient unit, intensive care, operating room, and laboratory unit), tuberculosis related variables, and prevention strategies were studied. Multiple logistic regression analysis was used to identify predictors for tuberculin conversion.ResultsThere were 624 subjects who met the criteria and 163 subjects had tuberculin conversion (26.1%; case group). The median age and male/female ratio of both groups were 39 years old and about 1:4. The cases group had higher percentage of subjects who worked at in- and out-patient department (30.7 vs 20.2 and 17.2 vs 12.2, respectively), had history of tuberculosis exposure in the past year (32.1 vs 16.1), and had history of prevention by any method and by surgical mask (49.4 vs 37.0 and 54.3 vs 38.3, respectively). Workings at in- and out-patient unit and history of tuberculosis exposure in the past year were significant predictors for tuberculin conversion (adjusted odds ratio and [95% confidence interval] of 1.99 [1.25–3.17], 1.91 [1.10–3.17], and 2.26 [1.47–4.96], respectively).SummaryWorkplaces in health care facilities do increase risks of LTB in HCW, particularly in in- and out-patient unit. Policy development regarding tuberculosis infection control programs focused on workplace prevention in health care facilities in Thailand is needed.
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