Skip to main content

Table 2 Differences between genders in control and intervention groups at baseline and at one-year follow-up.

From: The role of gender in a smoking cessation intervention: a cluster randomized clinical trial

Baseline (restricted to individuals from whom information is available at one year)

 

Control n (%) = 703 (48.2)

Intervention n (%) = 754 (51.8)

 

total

men

women

p-value

total

men

women

p-value

no. cig/day, mean (SD)

20.2 (10.6)

22.1 (11.6)

18.7 (9.4)

<0.001

20.7 (10.5)

22.1 (10.9)

19.5 (10.0)

0.001

Fagerström test scores, mean (SD)

4.5 (2.5)

4.8 (2.6)

4.3 (2.5)

0.004

4.7 (2.5)

4.6 (2.5)

4.7 (2.5)

0.609

Richmond test scores, mean (SD)

6.0 (2.7)

6.1 (2.7)

5.9 (2.8)

0.198

6.2 (2.8)

6.2 (2.8)

6.3 (2.7)

0.755

stage

        

   pre-contemplation

176

73 (3.3)

103 (27.3)

 

178

92 (27.6)

86 (21.0)

 

   contemplation

376

166 (53.0)

210 (55.7)

 

397

156 (46.8)

241 (58.9)

 

   preparation

121

64 (20.4)

57 (15.1)

 

139

69 (0.7)

70 (17.1)

 

   action

17

10 (3.2)

7 (1.9)

0.151

28

16 (4.8)

12 (2.9)

0.010

reduction no. cig over last month

        

   yes

365

174 (55.1)

191 (50.1)

 

370

153 (47.2)

217 (53.8)

 

   no

332

142 (44.9)

190 (49.9)

0.194

357

171 (52.8)

186 (46.2)

0.076

importance of quitting smoking, mean (SD)

7.7 (2.6)

7.6 (2.5)

7.8 (2.6)

0.181

7.7 (2.6)

7.6 (2.8)

7.9 (2.5)

0.195

confidence in quitting smoking, mean (SD)

4.4 (3.1)

4.5 (3.0)

4.3 (3.1)

0.474

4.8 (3.1)

5.2 (3.0)

4.4 (3.1)

<0.001

readiness to quit smoking, mean (SD)

4.6 (3.0)

4.8 (2.9)

4.5 (3.1)

0.146

4.9 (3.1)

5.2 (3.2)

4.7 (3.0)

0.048

One-year follow-up

 

Control n (%) = 703 (48.2)

Intervention n (%) = 754 (51.8)

 

total

men

women

p-value

total

men

women

p-value

no. cig/day, mean (SD)

16.9 (9.9)

18.3 (11.2)

15.8 (8.5)

0.009

15.9 (9.5)

17.0 (10.5)

15.1 (8.6)

0.013

Fagerström test scores, mean (SD)

--

--

--

 

--

--

--

 

Richmond test scores, mean (SD)

--

--

--

 

--

--

--

 

stage

        

   pre-contemplation

226

97 (30.7)

129 (33.8)

 

219

97 (28.8)

122 (29.3)

 

   contemplation

252

112 835.4)

140 (36.6)

 

307

129 (38.3)

178 (42.8)

 

   preparation

220

107 (33.9)

113 (29.6)

0.454

227

111 (32.9)

116 (27.9)

0.283

reduction no. cig over last month

        

   yes

348

157 (49.7)

191 (50.5)

 

382

168 (50.3)

214 (51.8)

 

   no

346

159 (50.3)

187 (49.5)

0.824

365

166 (49.7)

199 (48.2)

0.680

importance of quitting smoking, mean (SD)

8.0 (2.5)

8.0 (2.4)

8.1 (2.5)

0.524

8.0 (2.4)

7.9 (2.4)

8.0 (2.4)

0.749

confidence in quitting smoking, mean (SD)

4.3 (3.1)

4.5 (3.0)

4.1 (3.1)

0.044

4.2 (2.9)

4.4 (2.9)

4.1 (2.9)

0.206

readiness to quit smoking, mean (SD)

4.3 (2.9)

4.7 (2.9)

4.0 (3.0)

0.002

4.4 (2.9)

4.8 (3.0)

4.1 (2.8)

0.001

  1. Only smokers. ISTAPS study.
  2. SD: Standard Deviation