Survey: Fast food still major part of U.S. diet

Young adults — those aged 18 to 29 — eat fast food most often, with 57% saying they do so at least weekly. Fast-food consumption declines with age; the percentage who say they eat it at least weekly drops to 47% for those aged 30 to 49, 44% for those aged 50 to 64, and 41% among those aged 65 and older.

Men are more likely than women to eat fast food at least weekly — 53% vs. 42%. Men aged 18 to 49 in particular eat fast food at least weekly, at 57%.

Across racial and ethnic groups, blacks and Hispanics eat fast food most often, with 52% and 53%, respectively, eating it at least weekly. Less than half of non-Hispanic whites (46%) by comparison dine on fast food at least weekly.