In addition, plots showed that differences with diary registration were large, despite the moderate to high ICC-values of classification by the activity monitors in daily living.
The study is an EMA study in which respondents carry personal exposure metres (exposimeters) that measure radiofrequency (RF) EMF, with frequent assessment of health symptoms and perceived EMF exposure through electronic diary registration during five consecutive days.
According to the power analysis, 144 otherwise healthy infants aged 2 9 weeks old, who – according to parents' registration in a diary – are crying and/or fussing more than three hours per day, more than 3 days per week will be included.
Measures of dizziness-related handicap, dizziness-provoking movements, and daily diary registrations of dizziness symptoms at pre- and post-treatment showed statistically significant improvements in many domains, which translated to moderate effect sizes.
Based on the training diary registrations, participants from the training group followed the programme on average 36 times during the 20-week period, corresponding to an average adherence of 60%.
The sleep diary includes registration of bed time, time of falling asleep, length of night time awakenings, time of waking up and time of getting out of bed.
This seems to be higher than in France where a diary-based registration of absenteeism published in 1999 showed that migraineurs were away from work 2.18 days per year due to headache [19].
The contents of the sessions are Session 1: Assessment, Session 2: Analysis of diary (self-registration) and suggestions for problem management, Session 3: Evaluation of problem management skills Session 4: Follow-up and conclusion of the intervention.
Direct health care costs include the costs of the diagnostic and prognostic trajectory and staff time (primary care physicians, specialists in physical medicine & rehabilitation, rheumatology, neurology, pain specialists and orthopaedic surgeons).. Volumes will be collected using existing registration systems and cost diaries.
This is in line with earlier results from the same study showing a 79% decrease in worst pain based on pain-diary registrations (Andersen et al. 2008).
