Table 2.

Participant-reported cellphone use at enrollment (N=40).

Cellphone use		Participants
Cellphone access, n (%)
	Owns a cellphone	38 (95)
	No access to cellphone	2 (5)
Cellphone type, n (%)
	Smartphone (phone with a data plan/internet)	28 (70)
	Basic mobile phone (phone with no internet)	10 (25)
	No access to cellphone	2 (5)
Frequency of cellphone use, n (%)
	Multiple times per day	33 (83)
	One time per day or less	4 (10)
	No access to cellphone	3 (7)
Ease of cellphone tasks,a mean (SD)
	Typing	3.48 (1.36)
	Send a text message	3.93 (1.35)
	Access the internet	3.88 (1.45)
	Use an app	3.78 (1.42)
	Take pictures	3.98 (1.21)
	Use social networking sites	3.65 (1.44)

^aEase of cellphone tasks were rated on a 5-point Likert-type scale: 1 (“can’t do at all”) to 5 (“really well”), except for ease of typing, which was rated on a scale of 1 (“not at all easy”) to 5 (“extremely easy”).