Table 1.

Questionnaire characteristics.

Part of the Questionnaire	Survey Questions
The SCREEN-14 questionnaire	Has your weight changed in the past 6 months? Have you been trying to change your weight in the past 6 months? Do you think your weight is….? Do you skip meals? Do you limit or avoid certain foods? How would you describe your appetite? How many pieces or servings of vegetables and fruit do you eat in a day? How often do you eat meat, eggs, fish, cold cuts and legumes? How often do you have milk or milk products such as cheese, yogurt, or kefir? How much fluid do you drink in a day? Examples are water, tea, coffee, herbal drinks, juice, and soft drinks, but NOT alcohol Do you cough, choke or have pain when swallowing food or fluids? Is biting or chewing food difficult for you? Do you use commercial meal replacements or supplements? Examples are shakes, puddings, or energy bars. Do you eat one or more meals a day with someone? Who usually prepares your meals? Which statement best describes meal preparation for you? Do you have any problems getting your groceries? Problems can be poor health or disability, limited income, lack of transportation, weather conditions, or finding someone to shop.
Personal data	Gender Age Place of residence Region of residence What is the composition of your household? Do you consume alcoholic beverages? Do you currently smoke cigarettes, a pipe or other forms of tobacco? Have you smoked cigarettes, a pipe or other tobacco in the past? How many hours per night do you spend sleeping during the week, on average? How many hours per night do you spend sleeping at weekends, on average? How would you rate your physical activity doing everyday activities on weekdays? How would you rate your physical activity doing everyday activities on weekend days?