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Table 3 Comparison of outcomes for intervention and control programs post-intervention

From: A cluster-randomized trial of a brief multi-component intervention to improve tobacco outcomes in substance use treatment

 

Intervention Group

Four Programs

Control Group

Three Programs

χ2/t(df)

P value

Staff outcomes

(N = 48)

(N = 26)

  

 Smoking prevalence

12 (25%) a

11 (42%)

2.36 (1)

0.125

 Staff belief scale

3.55 (0.67)

3.71 (0.68)

-1.00 (72)

0.323

 Staff self-efficacy scaleb

3.06 (0.56)

3.18 (0.53)

-0.73 (46)

0.472

 Staff practice scaleb

2.67 (0.98)

2.95 (0.90)

-0.95 (44)

0.345

Client outcomes

(N = 113)

(N = 61)

  

 Smoking Prevalence

80 (71%)

43 (70%)

0.00 (1)

0.966

 Asked about smoking

87 (78%)

50 (82%)

0.44 (1)

0.507

 Received tobacco-related counselingc

38 (46%)

25 (52%)

0.48 (1)

0.487

 Received cessation medicationc

12 (14%)

29 (60%)

30.8 (1)

 < 0.0001

  1. a Percentages rounded to nearest whole number
  2. b Self-efficacy scale and Practice scale completed by clinical staff only
  3. c These items completed by current smokers and former smokers who quit in the treatment program