About 1101 persons were assessed for eligibility.
All persons were assessed for alcohol, and cannabis use disorders, based on DSM-IV diagnoses.
In total, 315 wrist bones from 21 persons were assessed for erosions.
At the end of the study all persons were assessed for clinical depression using the CIDI interview.
Persons were assessed for each domain on the basis of being able to perform activities without difficulty or with minor difficulty, versus able to perform with major difficulty or not able to perform the activity without help from others.
Each person was assessed for their degree of pronation and then given the same lightweight running shoes without extra cushioning or raised heels.
This study includes information about mortality rates per person-years assessed for a mean ± SD of 4.4 ± 1.1 years of follow-up.
Of the 3435 persons who were assessed for eligibility, 2914 were ineligible and 318 underwent randomization: 105 were allocated to the AC group, 105 to the DB group, and 108 to the Water group.
Revision rates (per 100 person-years) were assessed for each group of bearings or specific components as the number of revisions divided by the total risk time.
