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Table 3 The trend of changes in smoking cessation status in the three groups of the newly-diagnosed PTB patients recruited from Tehran, Iran during 2012–2013

From: A randomized controlled trial of smoking cessation methods in patients newly-diagnosed with pulmonary tuberculosis

Smoking status Group
Control (61 cases) Brief Advice (62 cases) Combined intervention (60 cases) p-value
N (%) N (%) N (%)
Session 2
 Quit 4 (6.6 %) 20 (32.3 %) 25 (41.7 %) <0.001
 Smoker 57 (93.4 %) 42 (67.7 %) 35 (58.3 %)
Session 3
 Quit 4 (6.6 %) 20 (32.3 %) 43 (71.7 %) <0.001
 Smoker 57 (93.4 %) 42 (67.7 %) 17 (28.3 %)
Session 4
 Quit 7 (11.5 %) 25 (40.3 %) 47 (78.3 %) <0.001
 Smoker 54 (88.5 %) 37 (59.7 %) 13 (21.7 %)
Month 2
 Quit 7 (11.5 %) 24 (38.7 %) 47 (78.3 %) <0.001
 Smoker 54 (88.5 %) 38 (61.3 %) 13 (21.7 %)
Month 4
 Quit 7 (11.5 %) 22 (35.5 %) 46 (76.7 %) <0.001
 Smoker 54 (88.5 %) 40 (64.5 %) 14 (23.3 %)
Month 6
 Quit 6 (9.8 %) 21 (33.9 %) 43 (71.7 %) <0.001
 Smoker 55 (90.2 %) 41 (66.1 %) 17 (28.3 %)