Table 1.

Comparing the literature on in-wild eating detection to this work

Year	Study	Sensors	On body position	No. of participants	Avg hours per day	Validation video	Non-student	Obese
2014	Fontana et al. [22]	S1, S4, S6	Ear, wrist, chest	12	24.0	X	✓	✓
2015	Thomaz et al. [55]	S1	Wrist	7+1	5.7/13.6	X	X	X
2015	Bedri et al. [10]	S2, S5	Ear, head	6	6.0	X	✓	X
2016	Farooq et al. [21]	S4	Temple	8	3.0	X	✓	X
2017	Bedri et al. [9]	S1–S3, S5, S7	Neck, ear	10	4.5	✓	✓	X
2017	Zhang et al. [60]	S8	Ear	10	6.1	X	X	X
2017	Mirtchouk et al. [35]	S1–S3, S7	Ear, wrist, head	11	11.7	X	✓	X
2018	Sen et al. [49]	S1, S2, S10	Wrist	9	5.8	X	✓	X
2018	Chun et al. [15]	S5	Neck	17	4.6	X	X	X
2018	Bi et al. [13]	S7	Ear	14	2.3	✓	X	X
2020	This work	S1-S3, S5, S9	Neck	10+10	4.9/9.5	✓	✓	✓

S1 - accelerometer, S2 - gyroscope, S3 - magnetometer, S4 - piezo, S5 - proximity, S6 - radio frequency, S7 - microphone, S8 - electromyography, S9 - light, S10 - camera