Boshuizen H C, Bongers P M, Hulshof C T
Coronel Laboratory, Facility of Medicine, University of Amsterdam, The Netherlands.
Spine (Phila Pa 1976). 1992 Jan;17(1):59-65. doi: 10.1097/00007632-199201000-00010.
To study the long-term health effect of whole-body vibration, a questionnaire on symptoms of ill health was mailed to 242 drivers and a reference group of 210 workers from six harbor companies (response 81%). Vehicles driven were fork-lift trucks and freight-container tractors. Vibration level during a representative working period (vector sum of the frequency weighted acceleration in the x-, y-, and z-directions) was 0.8 m/sec2 for the fork-lift trucks and 1.0 m/sec2 for the freight-container tractors. Only the results concerning self-reported symptoms of the back are described. Of the young (less than 35 years), short-term-exposed drivers, 68% reported that they had back pain regularly vs. only 25% of the reference group of comparable age. With increasing age, the difference in the prevalence of self-reported regular back pain between the drivers and the reference group disappeared. Driving during the 5 years preceding the onset of symptoms seemed to increase the risk of back pain, whereas earlier exposure did not.
为研究全身振动对健康的长期影响，向242名司机以及来自6家港口公司的210名作为参照组的工人邮寄了一份关于健康问题症状的调查问卷（回复率81%）。所驾驶的车辆为叉车和货运集装箱牵引车。在一个具有代表性的工作时段内（x、y和z方向频率加权加速度的矢量和），叉车的振动水平为0.8米/秒²，货运集装箱牵引车的振动水平为1.0米/秒²。这里仅描述有关自我报告的背部症状的结果。在年轻（小于35岁）、短期接触振动的司机中，68%报告称他们经常背痛，而在年龄相仿的参照组中这一比例仅为25%。随着年龄增长，司机与参照组之间自我报告的经常背痛患病率差异消失。在症状出现前5年期间驾驶似乎会增加背痛风险，而更早之前的接触则不会。
