Table I.

Scale Used to Code Caregiver Supervision

Scale	Scale Identifier
1	Caregiver and child are <6 feet apart (caregiver not engaged in other activity).
2	Caregiver and child are <6 feet apart (caregiver engaged in another activity).
3	Caregiver and child are >6 feet apart (child has caregiver’s full attention).
4	Caregiver and child are >6 feet apart (caregiver not paying attention).
5	Caregiver and child are >6 feet apart (no visual contact but is auditory contact)
6	No visual or auditory contact (caregiver could reach the child in 30 s)
7	No visual or auditory contact (caregiver could not reach the child in 30 s)

Note. This scale was reverse scored for the analyses in this manuscript.