Table 1.

List of behavioral targets for stage of change questionnaire.

Domain	List of behaviors
Dietary Phe/protein	Count how much Phe/protein I eat Keep diet records Plan meals beforehand Watch my portion sizes Prepare meals at home
Medical formula	Drink all formula every day Drink formula several times per day Make my own formula Bring my formula to school/work Try a different formula or try to improve the taste of my current formula
Healthy food choices	Eat more fruits/vegetables Drink fewer sweetened drinks (soda, juice) Eat out less often (restaurants, fast food) Eat fewer “junk foods” (chips, cookies, candy) Cook meals at home more often

Phe, phenylalanine.

Note: Participants were asked to “Choose the single most important thing you could personally do to meet your goals” for each domain.