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 | χ 2 (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 | ||