Table 2.

Summary of adverse events

Adverse events	Varenicline	Placebo	p
Insomnia	67%	55%	0.47
Headache	33%	9%	0.22
Nausea	11%	9%	0.71
Depressed mood;	11%	0%	0.45
BDI > 15
Constipation	0%	18%	0.29