Empowering health geography research with location-based social media data: innovative food word expansion and energy density prediction via word embedding and machine learning

Table 1 New classification based on the British Nutrition Foundation classification

British nutrition foundation			New classification
Classification	Energy density (ED in kcal/g)	Example words	Classification	Energy density (ED in kcal/g)
Very Low	ED \(<\) 0.6	Asparagus; cabbage	L-ED	ED \(<\) 1.5
Low	0.6 \(\le\) ED \(<\) 1.5	Edamame; haddock	L-ED	ED \(<\) 1.5
Medium	1.5 \(\le\) ED \(\le\) 4	Breadstick; chicken	H-ED	ED \(\ge\) 1.5
High	ED \(>\) 4	Potato chips; peanut butter	H-ED	ED \(\ge\) 1.5

ISSN: 1476-072X