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Headache frequency (past 3 months) and intensity are assessed by two additional MIDAS items.
Furthermore, MIDAS consists of two additional questions on number of days with headache during the previous three months and intensity of headache measured on a numeric rating scale ranging from 0-10 where 0 is "no pain" and 10 is "worst imaginable pain".
Indication-specific variables were duration of LBP (≤12 months/> 12 months) and intensity of pain.
Further frequency of symptoms during the past 12 months and intensity of symptoms during the past 7 days were explored.
Secondary outcomes were systolic and diastolic blood pressure at 12 months; and intensity of changes in prescribing of blood pressure lowering medication at six months follow up.
1 14 days before surgery, patients filled out questionnaires with baseline data (age, sex, duration of leg pain (months)) and intensity of leg and back pain (VAS) at the preoperative visit.
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Moreover, it is well known that questionnaire based data on 3 or 12 months prevalence and intensity of LBP and LTPA has a high risk of recall bias [ 19, 32- 34].
Primary outcomes were the change in child BMI at 6 months and the intensity of the program in treatment hours.
Both duration of illness (months) and headache intensity (VAS) scores were found to be significantly associated with the presence of all accompanying symptoms, including nausea, vomiting, phonophobia, photophobia, dizziness, vertigo, and osmophobia.
Pain should be presented with duration of at least 3 months and an intensity of at least 3 on an 11-point numerical pain rating scale (NPRS; 0: no pain; 10: maximum pain).
Most previous multiple health behavior interventions have been of longer duration (6-12 months) and greater intensity [ 29, 36, 69] than the intervention presented here.
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