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Table 2 Abstinence at follow up post-discharge by treatment group

From: Text messaging interventions to support smoking cessation among hospitalized patients in Brazil: a randomized comparative effectiveness clinical trial

Variables Sustained care
(Intervention)
N (%)
Standard care
(Control)
N (%)
p
Follow-up 30 (missing = smoking)1
 Abstinences for the past 7 days 61 (30.5) 52 (26.0) 0.318
 Abstinences for the past 30 days 52 (26.0) 49 (24.5) 0.730
Follow-up 90 (missing = smoking)
 Abstinences for the past 7 days 46 (23.0) 54 (27.0) 0.356
 Abstinences for the past 90 days 40 (20.0) 48 (24.0) 0.334
 Abstinences verified by measurement of exhaled carbon monoxide2 20 (95.2) n = 21 8 (80.0) n = 10 0.160
  M (SD) M (SD)  
Number of cigarettes per day in non-abstinent participants at follow-up 30 9.99 (15.033) 13.91 (14.859) 0.036
Number of cigarettes per day in non-abstinent participants at follow-up 90 10.04 (14.997) 12.51 (12.421) 0.131
  1. M Mean, SD Standard deviation
  2. 1Subjects lost to follow-up were counted as smokers (intention to treat analysis—ITT)
  3. 2Participants were characterized as abstinent if their results were ≤ 10 ppm