Table 2. Efficacy of nonpharmacologic therapy for smoking cessation.

Therapy was considered effective if patients had achieved abstinence at follow-up of 6 mo or longer.

NONPHARMACOLOGIC TREATMENT	EXPERIMENTAL GROUP EVENT RATE (%)	CONTROL GROUP EVENT RATE (%)	ODDS RATIO (95% CONFIDENCE INTERVAL)
Individual counseling23	12.7	8.9	1.56 (1.32–1.84)
Group counseling24	17.2	7.7	2.17 (1.37–3.45)
Self-help25	5.6	4.8	1.24 (1.07–1.45)
Telephone counseling26	10.5	7.5	1.41 (1.27–1.57)