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Table 5 Mean differences on smoking outcome measures between groups

From: Does the number of free nicotine patches given to smokers calling a quitline influence quit rates: results from a quasi-experimental study

  

Mean Difference on Smoking Outcome Measures

Comparisons

12-month quit rate

12-month intent-to-treat quit rate

Sustained quitters

Relapsed smokers

Delayed quitters

Group 1

2-week supply

Group 2

4-week supply

.05

.06

.01

.00

.03

Group 1

2-week supply

Group 3

6-week supply contingent upon first 2-weeks of use

.07

.08*

.05

-.01

.02

Group 1

2-week supply

Group 4

6-week supply

-.08

-.04

-.04

.08*

-.04

Group 1

2-week supply

Group 5

8-week supply

-.05

-.05

-.03

.09*

-.02

Group 2

4-week supply

Group 3

6-week supply contingent upon first 2-weeks of use

.03

.03

.04

-.02

-.01

Group 2

4-week supply

Group 4

6-week supply

-.12*

-.10*

-.05

.07

-.07*

Group 2

4-week supply

Group 5

8-week supply

-.10

-.11*

-.04

.09*

-.06

Group 3

6-week supply contingent upon first 2-weeks of use

Group 4

6-week supply

-.15*

-.13*

-.09

.09*

-.06

Group 3

6-week supply contingent upon first 2-weeks of use

Group 5

8-week supply

-.13*

-.14*

-.08

.10*

-.04

Group 4

6-week supply

Group 5

8-week supply

.02

-.01

.01

.02

.01

  1. Note: Group 1 = 2 weeks of patches; Group 2 = 4 weeks of patches; Group 3 = 6 weeks of patches contingent upon progress toward quitting measured at 2 weeks; Group 4 = 6-weeks of patches; Group 5 = 8 weeks of patches
  2. * indicates significant difference in means between group compared is different at p < 0.05 level after the Bonferroni correction is applied