Prevention

Arrange for self-help material and follow-up advice after discharge  ^b , with personalised feedback. ^a

Why?

• More intensive interventions help more smokers to quit. ^a
• Hospitalised smokers who receive inpatient advice and follow-up for a month are more likely not to be smoking at 6 months than patients who receive standard care. ^b
• Offering support with nicotine replacement therapy increases quit rates. ^a
• Combining written personalised feedback with self-help material increases quit rates compared with self-help materials alone. ^a

Intensive interventions by physicians help more smokers quit

Patient	Treatment	Comparison	Outcome	CER	OR (95% CI)	NNT (95% CI)
smoker a	intensive advice from physicians	minimal advice	sustained smoking cessation at 6 months	7.6%	1.44 (1.24 to 1.66)	16 (12 to 24)

Interventions in hospital help smokers quit

Patient	Treatment	Comparison	Outcome	CER	OR (95% CI)	NNT (95% CI)
hospitalised smoker b	intensive hospital intervention	standard care	stopped smoking at 6 months	18%	1.82 (1.49 to 2.22)	10 (7 to 15)

Written personalised advice helps smokers quit

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
smokers wanting to quit a	written personalised advice and self-help material	self-help material	stopped smoking at 12 months	10%	150% (27% to 390%)	7 (4 to 21)