in an epidemiological study of acute herniated lumbar intervertebral discs in the new haven , connecticut ( u.s.a. ) , area , it was found that this condition was most likely to be diagnosed among persons in the age group 30-39 years , and that the most important risk factors among the variable considered in this study were driving of motor vehicles at or away from work , sedentary occupations , suburban residence , and previous full-term pregnancies .
C0009778
connecticut
C0041703
u.s.a