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Table 1 Total number of nudged and non-nudged products available in the online supermarket

From: Nudging customers towards healthier food and beverage purchases in a real-life online supermarket: a multi-arm randomized controlled trial

 

Healthy products

Unhealthy or neutral products

Information nudges

No intervention

Position nudges

No intervention

All foods and beverages

(n = 9217)

n=966; 62% of all healthy products

n=604

n=486; 6% of all unhealthy products

n=7161

Fruits (n=211)

Fresh, pre-cut, and frozen fruits (n=94; 61% of all healthy fruits)

Fresh fruit, canned fruits, apple sauce (n=61)

N/A

Canned fruits with added sugar, apple sauce with added sugar, fruit puree with added sugar (n=56)

Vegetables (n=415)

Fresh, pre-cut, and frozen vegetables (n=199; 73% of all healthy vegetables)

Fresh vegetables (n=75)

N/A

Vegetables with added cream, canned vegetables (salted) (n=141)

Breads (n=218)

Wholegrain bread (n=57; 90% of all healthy bread)

Wholegrain bread (n=6)

White and non-wholegrain brown bread (n=61; 39% of all unhealthy bread)

White and non-wholegrain brown bread (n=94)

Bread substitutes (n=222)

Wholegrain crackers, oats, muesli (n=28; 88% of all healthy bread substitutes)

Oats, muesli (n=4)

Non-wholegrain crackers, breakfast cereals with added sugar, salt, and/or fat (n=142; 75% of all unhealthy bread substitutes)

Rice crackers, rusk, non-wholegrain crackers, breakfast cereals with added sugar, salt, and/or fat (n=48)

Potatoes (n=105)

N/A

Fresh and/or pre-cut unprocessed potatoes (n=50)

N/A

Processed potatoes (n=55)

Pasta and rice (n=208)

Wholegrain pasta and rice (n=28; 88% of all healthy pasta and rice)

Wholegrain pasta and rice (n=5)

Non-wholegrain pasta and rice (n=103; 59% of all unhealthy pasta and rice)

Non-wholegrain pasta and rice (n=72)

Teas and coffees (n=361)

Tea bags (n=102; 35% of all healthy tea and coffee)

Tea bags, filtered coffee products (n=190)

N/A

Unfiltered coffee products, tea bags (added sugar) (n=69)

Sodas, waters, and juices (n=735)

Water, flavored water (unsweetened) (n=67; 96% of all healthy beverages)

Flavored water (unsweetened) (n=3)

N/A

Sodas, energy drinks, fruit juices, lemonade (n=665)

Cheeses (n=332)

Low-fat and low-salt cheeses (n=28; 72% of all healthy cheeses)

Low-fat and low-salt cheeses (n=11)

N/A

High-fat and/or high-salt cheeses (n=293)

Milk and yogurt products (n=571)

Semi-skimmed and skimmed milk and yogurt products (n=111; 71% of all healthy milk and yogurt)

Soy-dairy products (unsweetened), semi-skimmed and skimmed sterilized milk, coffee milk (n=46)

N/A

Semi-skimmed and skimmed dairy products (sweetened), full-fat dairy, custard, desserts, pudding, whipped cream, pudding, cooking cream, dairy drinks, chocolate milk, soy-dairy products (sweetened), ice cream (n=414)

Meats (n=769)

N/A

Unprocessed and low-fat meats, meat substitutes (unsalted), and eggs(n=105)

N/A

Processed and high-fat meats, and meat substitutes (salted) (n=664)

Fish (n=140)

Fresh, frozen, canned, and breaded fish (> 70% fish) (n=87; 92% of all healthy fish)

Canned fish (n=8)

N/A

Breaded fish (< 70% fish), processed fish dishes (n=45)

Legumes (n=135)

Canned legumes (low salt) (n=63; 94% of all healthy legumes)

Canned legumes (low salt) (n=4)

N/A

Canned legumes (high salt) (n=68)

Nuts (n=179)

Seeds, nuts, peanuts, natural peanut butter (n=34; 67% of all healthy nuts)

Seeds, nuts, peanuts, natural peanut butter (n=17)

Nuts, peanuts (salted) (n=103; 81% of all unhealthy nuts)

Sugared peanuts, peanut butter (added salt and palm oil) (n=25)

Fats (n=163)

Olive oils, sunflower oils, and margarines (n=68; 78% of all healthy fats)

Vegetable oils, frying oils (n=19)

Butters, baking butters (n=56; 78% of all unhealthy fats)

Frying oils, coconut oils, butters, baking butters (n=20)

Other foods (n=2077)

N/A

N/A

N/A

Ready-to-eat meals, meal salads, pancakes, pizza, canned soup, drinking broth, seasoning products (n=2077)

Savory snacks (n=417)

N/A

N/A

Savory snacks (n=21; 5% of all unhealthy snacks)

Salty snacks, fried snacks, chips, popcorn, bread sticks, (n=396)

Sweet snacks (n=1255)

N/A

N/A

N/A

Cookies, candy, confectionary, chocolate, liquorice, bubblegum, water-based ice cream (n=1255)

Alcoholic drinks (n=704)

N/A

N/A

N/A

All alcoholic drinks (n=704)