Table 2.

Drug use and cravings during phases of the study (mean ± SD)

	Mean ± SD	95% confidence interval
Cocaine use
Baseline	1.22 ± 1.1	[−0.34, 2.8]
Sham	0.9 ± 1.3	[−0.58, 2.4]
TEAS	2.17 ± 3.2	[0.69, 3.6]
Cocaine cravings
Baseline	6.7 ± 2.8	[4.5, 8.9]
Sham	4.8 ± 3.3	[2.7, 6.9]
TEAS	5.96 ± 2.9	[3.8, 8.0]
Marijuana use
Baseline	4.6 ± 2.7	[2.7, 6.4]
Sham	4.9 ± 2.7	[3.4, 6.5]
TEAS	4.6 ± 2.2	[3.1, 6.2]
Marijuana cravings
Baseline	6.8 ± 1.8	[5.7, 7.9]
Sham	7.1 ± 1.1	[6.2, 8.2]
TEAS	6.3 ± 1.7	[5.4, 7.4]