Table 9.

A summary of wearable Respiratory Inductance Plethysmography (RIP) sensors employed in smoking research.

Ref	Belt Placement	RIP Belt/ Module	Signal Output	Data storage	Validation Study
[85]	Thoracic and abdominal	DuraBelt Pro-Tech Inc. connected to zRIP, Philips Respironics, Murrysville, PA	Analog Data	Commercial data logger: Logomatic V2.0, Sparkfun Electronics	20 subjects in the lab
[86]	Thoracic	AutoSense RIP belts	Analog Data	Wireless transmission to smartphone	35 in lab and free-living
[61]	Thoracic	SleepSense Inductive Plethysmography, S.L.P Inc.	Pulse Data	Embedded data logger with STM32 MCU	40 both in the lab and free-living