Over the 12-month period ending in spring 2005, 44 percent of adults reported having participated in formal adult educational activities, excluding full-time only enrollments in college/university or vocational/technical credential programs (table 1). More adults reported having participated in work-related courses or training (27 percent) than any other type of activity (ESL classes — 1 percent, basic skills/GED preparation classes — 1 percent, part-time college or university degree or certificate programs — 4 percent1, part-time vocational or technical diploma, degree, or certificate programs — 1 percent, apprenticeship programs — 1 percent, and personal-interest courses — 21 percent.