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BPDAYS
Number of days having back pain, past 12 months

Survey Text

1988
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1988
Survey form view entire document:  text  image
2a. (The remaining questions are about back pain other than menstrual pain.)
During the past 12 months, on about how many days altogether did you have back pain?

898[] Menstrual pain only (Section N3, page 49)
365[] Every day
Days ____