Table 1. Chewing frequency behaviours in the UK in children aged 10 to 14 (2014).

Group	Group definition	Annual number of chewing occasions	Proportion of SFG users
Group 1: No use	No use of SFG	0	6%
Group 2: Infrequent use	Less than one chewing occasion per week	26	22%
Group 3: Light use	Between 1 and 4 chewing occasions per week	130	36%
Group 4: Moderate use	Between 5 and 10 chewing occasions per week	390	22%
Group 5: Frequent use	More than 10 chewing occasions per week	780	14%