Primary data analysis
was based on 92 participants DVD group, n ¼ 31; EC group, n ¼ 31;
Control, n ¼ 30. Of these, 89 participants (96.7%) completed postintervention
measures: DVD group, 29 (93.6%); EC group, 30
(96.8%); Control, 30 (100%). At 3-month follow-up, 52 participants
(83.9%) from the two intervention groups completed assessment
(DVD group, 28 [90.3%]; EC group, 24 [70%]). At 2-year follow-up, 37
participants (59.7%) from the two intervention groups completed
assessment (DVD group, 21 [67.7%]; EC group, 16 [51.6%])