Table 2.

Study 1 themes identified and responses to key questions.

Child (n=21)	n	Parent (n=16)	n
Undesirable Aspects Identified		Parents Concerns for using the eButton
Uncomfortable while wearing it, for example:	6	May fall or interfere while playing or during sports	10
- Straight pin on back was uncomfortable		Concern about attracting negative public’s attention and kids asking about it	8
- Magnet feels on body		Privacy concerns while at home or school	8
- Weight pulled the t-shirt down		Concern about loss or damage	7
- Strap felt rough, itchy, tight around neck
- Strap didn’t match school uniform		Desirable Aspects
eButton bounced when running or skipping	4	Parent not having problem charging eButton or uploading pictures for 2–3 days	15
Uncomfortable while wearing it during the meal:	9
- Worry it’ll be damaged or get dirty while eating		Suggestions to improve eButton and overcome concerns
- Restricted movement while eating or come in way		Reduce size of eButton	7
Desirable Aspects		Have clear instructions of the process using the eButton	5
Wearing the eButton during a meal was comfortable and had no problems	14
Fine to wear the eButton for 2–3 days at a time	15
Suggestions to improve eButton
Reduce size of eButton	6