Table 3.

SPI derived from extant literature for tobacco filler of combustible tobacco product types

Tobacco product type	SPI	Nicotine (mg/g)	Sugars (mg/g)
Waterpipe (Maʹassel)	290	1.2*	350†
Pipe	1.6–13	14.4‡	24–189§
Cigarettes	0.4–9.5	19¶	7–180§
Cigars	0.4–0.5	15¶	6–7.5§

^*Kulak et al, 2017⁶⁵

^†Brinkman et al, 2018³⁵

^‡Jacob et al, 1999⁶⁶

^§Elson et al, 1972³⁴

^¶Lawler et al, 2017⁶⁷

SPI, Starter Product Index.