Table 1 Longitudinal perspective on tobacco policy in American prisons

Tobacco policy	Year
Tobacco policy	1986*	1993†	1996‡	2007
Provide free tobacco to inmates (%)	53.0	34.0	26.7	0.0
Offer smoke-free living areas (%)	5.3	24.0	85.0	96.0
Have total tobacco ban (%)	0.0	0.0	13.5	60.0

*From Romero and Connell13; survey of 18 state prison systems and the Federal Bureau of Prisons.
†From Vaughn and del Carmen11; survey of 50 state prisons systems.
‡From Patrick and Marsh15; survey of 50 state, District of Columbia and Federal Bureau of Prisons.