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Journal : Universa Medicina

The association between shift work and body mass index among female nurses Samara, Diana; Merijanti, Lie T; Tandean, Reza; Harrianto, Ridwan
Universa Medicina Vol 27, No 2 (2008)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2008.v27.72-77

Abstract

Possibly due to a disturbance of biological rhythms, shift work is associated with several health problems, particularly an increased risk of coronary heart disease (CHD). Obesity is a well known independent cardiovascular risk factor and has been shown to be more prevalent among shift workers. The objective of this study was to examine the association between shift work and body mass index in nurses working in one hospital in Central Jakarta. A cross-sectional study was conducted among 152 female nurses, ranging from 22 to 55 years of age, with determination of body mass index (BMI), and systolic and diastolic blood pressure (SBP and DBP). The results show a mean age of 30.9 ± 7.2 years and mean job experience of 8.9 ± 7.6 years. There was no significant difference in the prevalence of gastrointestinal disorders between shift and day workers. Mean BMI (23.1 ± 3.6) and mean job experience (6.9 ± 5.9 years) in shift nurses were significantly different from those in day workers (BMI = 24.8 ± 3.8; job experience 15.4 ± 8.4 years). In shift working nurses the BMI increased significantly in proportion to job experience (p=0.014). In conclusion, the present study has proven that job experience significantly increased BMI in shift working nurses.
The role of night shift work on blood pressure among healthy female nurses Merijanti, Lie T.; Samara, Diana; Tandean, Reza; Harrianto, Ridwan
Universa Medicina Vol 27, No 2 (2008)
Publisher : Faculty of Medicine, Trisakti University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18051/UnivMed.2008.v27.65-71

Abstract

Although hypertension is probably the most common disease on earth, little is known about the association between shift work and hypertension. The aim of this study was to determine the relationship of night shift work and blood pressure among healthy nurses. A cross-sectional study was performed from March to April 2007 among 152 healthy female nurses from one hospital in Central Jakarta. Historical data were obtained from a self-administered detailed questionnaire, while anthropometric and blood pressure variables were measured directly. Shift workers had a significantly lower age (29.2 ± 5.6 years) and shorter job experience (6.9 ± 5.9 years) than day workers (age = 36.5 ± 8.7 years; job experience 15.4 ± 8.4 years). There was a higher prevalence of overweight individuals among shift workers (31/43 = 72.1%) in comparison with day workers (12/43 = 27.9%), even though the difference in prevalence did not reach statistical significance (p=0.121). Analysis of covariance yielded a significant relationship between shift work and systolic blood pressure (p=0.046), even after taking into account age and job experience. Systolic blood pressure was significantly influenced by shift working, while diastolic blood pressure was not (p=0.283). Working in the hospital on a 24-hour shift leads to abnormally high systolic blood pressure in female nurses, thus suggesting that this type of work may be a risk factor for cardiovascular disease.