To utilize all available and appropriate data, a criterion was counted as met if a positive response was given at either wave I or wave II. Conduct problem data from wave III were not incorporated because several items were judged to not be applicable to adults (e.g. truancy from school) and omitted at wave III. For participants who completed wave I and wave II, this yielded a score that was, on average, 36% greater than their wave I scores. Therefore, a multiplier of 1.36 was applied to the wave I scores of the 9.4% of participants who did not complete wave II. Those who did not complete Wave II reported slightly more conduct problems at Wave I than those who did (1.12 vs. 0.92, p < 0.05, Cohen’s D = 0.12), and those who did not complete wave III had a slightly higher conduct problems symptom sum than those who did (1.40 vs. 1.23, p < 0.05, Cohen’s D = 0.08),
