Table 1 Summary of the self-report questions used in the survey
From: Food choice patterns of long-haul truck drivers driving through Germany, a cross sectional study
Variables | Answer categories/−scales |
|---|---|
age, weight, height | insert number |
gender | male/female |
nationality | insert |
“Do you smoke?“ | yes/no |
“How many consecutive nights on average do you not spend at home during a job?” | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, > 14 |
“Do you bring food with you on your trips?” | yes/no |
“If you bring food with you, what kind do you normally bring?” | multiple answers possible: soft drinks/energy drinks, juices/spritzers, water, self-prepared warm meal, warm ready-made meals, sandwiches, sausage, noodle/potato/meat salad, green salad, fruit, raw vegetables, chips/crackers/pretzel sticks, nuts, sweets, other |
“Please indicate whether you eat the following foods more often at home or during work”, e.g. fried products, fresh vegetables, canned food, … | more often at work, same, more often at home, not at all |
“How often do you visit fast food chains and/or snack stands during work/during leisure time? | never, rarely, sometimes, often, always |
“How often do you normally eat a main meal from a service station/truck stop?” | never, rarely, sometimes, often, always |
“If you eat meals from service stations/truck stops, which dish do you prefer?” | meat/sausage dish, fish dish, vegetarian dish, salad, sandwich, dessert/cookies |
“How much alcohol do you drink on average per week?” | amount of beer (0.5 l)/wine (0.2 l)/schnaps (2 cl) |
“Do you have a chronic illness diagnosed by a doctor?” | multiple answers possible: I do not have a chronic illness, Diabetes type 1, Diabetes type 2, high blood pressure, gastrointestinal illnesses, rheumatism, asthma, gout, chronic back pain, other (indicate) |
“If you bring food with you, where do you eat it?” | multiple answers possible: In the truck during the trip; In the truck during breaks; At the service station/service area/truck stop (seating opportunity) |
“Do you have the following appliances to store, prepare, or reheat food in the truck?” | multiple answers possible: refrigerator, kettle, coffee machine, gas cooker, microwave, I have none of these appliances |