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To clarify the association of occupational cervicobrachial disorder (OCD), with labor conditions, and personal situation, a questionnaire study was conducted among nursery school teachers. The questionnaire was composed of subjective symptoms related to OCD (neck, shoulder, back and arm stiffness/pain), labor conditions, and whether or not the teacher had a child of her own under the age of two. Data of 793 subjects were analyzed. The results were as follows: The mean age and working period of 793 subjects were 27.6 (+/- 4.9) and 5.5 (+/- 3.2) years, respectively. Of them, 38.5% complained of right shoulder stiffness every day during the prior month, 26.5% neck stiffness, 18.8% arm stiffness, 9.6% back pain, 7.8% shoulder pain and 3.9% arm pain. The complaint rates on the left side were similar to those on the right side. The complaint rates of these subjective symptoms increased with the duration of the working period. The complaint rates of shoulder, neck and arm stiffness increased earlier than those of back stiffness, shoulder or arm pain. The complaint rates of these symptoms were highest among teachers in charge of children less than one-year-old and those in charge of four-year olds. Teachers in charge of three-year-old children had the lowest complaint rates. Subjects complaining of neck, shoulder and arm stiffness on every day worked under less favorable conditions than those without such complaints. When subjects having no children of their own under the age of two were matched in their ages and length of work history with those who have such children, the complaint rates of the two groups did not differ statistically for any of the subjective symptoms.(ABSTRACT TRUNCATED AT 250 WORDS)

A study on occupational cervicobrachial disorder (OCD) of nursery school teachers based on subjective symptoms related to OCD.