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Table 4 Observed evidence of smoking

From: The impact of multiple interventions to reduce household exposure to second-hand tobacco smoke among women: a cluster randomized controlled trial in Kalutara district, Sri Lanka

Exposed to SHS within 7 days

Intervention group (n = 329)

Control group (n = 309)

Significance

Pre n (%)

Post n (%)

Pre n (%)

Post n (%)

 

Exposed

 Observed evidence present

54 (87.1)

19 (63.3)

49 (92.5)

40 (85.1)

Pre p2 = 0.35

Post p2 = 0.03

 Observed evidence not present

8 (12.9)

11 (36.7)

4 (7.5)

7 (14.9)

 

p1 = 0.008

p1 = 0.24

 

Not exposed

 Observed evidence present

12 (4.5)

6 (2.0)

9 (3.6)

11 (4.2)

Pre p2 = 0.57

Post p2 = 0.13

 Observed evidence not present

252 (95.8)

290 (98.0)

244 (96.4)

249 (95.8)

 

p1 = 0.09

p1 = 0.69

 
  1. Data missing intervention (pre3, post 3), control (pre 3, post 2)
  2. p1 = McNemar test, between pre and post intervention group and control group
  3. p2 = Chi Square tests, between intervention group and control group pre and post