Table 1.

Example Coding Categories and Definitions

Coding Category	Definition for this study
Attitudes about Inattention with Cell Phone Calls	Degree to which the teen has a likable or unlikable evaluation or estimation of inattention related to cell phone calls while driving.
Perceived Behavior Control for Inattention with Cell Phone Calls	Feeling that the teen can control and perceive the consequence of their inattention-related to cell phone calls while driving.
Perceived Norms for Inattention with Cell Phone Calls	Normative expectation of others related to inattention and cell phone calls.