Table 7

Chi-square analysis of between groups differences in posttest stages of change by pretest stages of change*

Post test stages of change


PC

C/PR

A/M

χ2 (df)

P


Pretest stages of change


PC


Intervention (n = 140)

5

117

18


Control (n = 143)

135

8

0


233.7 (2)

< 0.0001


C/PR


Intervention (n = 53)

0

45

8


Control (n = 50)

0

50

0


8.1 (1)

0.004


A/M**


Intervention (n = 7)

0

0

7


Control (n = 7)

0

0

7


PC = Pre-contemplation, C/PR = Contemplation/Preparation, A/M = Action/maintenance

* The format of table was adapted from [28].

** Note that it is impossible to progress from action/maintenance.

Salehi et al. Nutrition Journal 2011 10:123   doi:10.1186/1475-2891-10-123

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