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.