The survey also found that non-adopters usually have more than one barrier that keeps them from having broadband service at home. Over half of non-adopters, when selecting from a menu of possible barriers to adoption, chose three or more. For example, more than half of non-adopters who cited cost also listed reasons relating to digital literacy or relevance.

"The gap in broadband adoption is a problem with many different dimensions that will require many different solutions," said John Horrigan, Director of Consumer Research for the Omnibus Broadband Initiative. "Lowering costs of service or hardware, helping people develop online skills, and informing them about applications relevant to their lives are all key to sustainable adoption."

The interaction of attitudes and use of communications goods and services creates four categories of non-adopters: