Table 2.

Comparison of the food entities logged with spoken versus written natural language in COCO Nutritionist.^a

Variables	Spoken	Written
Mean number of foods logged per person per day	1.38	7.06
Total of all logged foods, %	28.4	71.6
Mean percentage of foods with specified brands/preparation method	15.6	15.0
Foods with quantities, %	30.7	22.1
Food code identified correctly in default option, %	100	99.9
Food measuring unit (eg, cup) identified correctly in default option, %	83.5	84.1
Food amount unit (eg, 1, 2) identified correctly in default option, %	74.5	84.7

^aFood code, units, and amounts measured correctly at first try are defined as the user not changing the default.