Table 2: Smoking and illicit drug use at pretest and posttest among baseline users who completed both assessments.

pre-TMpost-TMpre-WLpost-WL

Cigarettes/dayMean (95% CI)8.64 (4.26, 13.02)8.64 (0, 20.38)10.79 (1.98, 19.60)9.64 (0, 19.36)
SD6.5217.4715.2516.83
N11111414

Illicit drug use
Occasions/monthMean (95% CI)5.14 (3.27, 7.00)2.43 (0.39, 4.47)9.82 (3.25, 16.39)7.95 (2.89, 13.01)
SD3.373.6914.8211.42
N15152222

Note. TM: Transcendental Meditation condition; WL: wait-list condition.