Baseline Characteristics and Risk Factors for Chronic Disease by Self-reported Sleep Duration.

Categorical variables are presented as percentages within the respective subgroup and continuous variables are expressed as means with standard deviation in parentheses.
aLow-energy beverages: water, coffee (including de-caffeinated coffee), tea (including herbal tea), low-energy soft drinks (energy-reduced cola, lemonades).
bHigh-energy beverages: juice, high-energy soft drinks (cola, lemonades, non-alcoholic beer, malt beer).
cCaffeinated beverages: coffee, black tea.
dVegetables are also including legumes.
eSide dishes: pasta, rice, potatoes.
fDairy products: milk, yoghurt, curd, soured milk/kefir, cream, cheese.
gMeat: red meat, poultry, processed meat.
hSnacks: french fries, pizza, chips.
iSweets: cakes, cookies, confectionary, sweet bread spread, desserts.