Table 4.

Comparisons of the number of patients in the stages of change between the two groups at two time points

Stages of change	Intervention group (n = 48) n (%)	Control group (n = 55) n (%)	Chi-squared test
			χ2	P
T
Precontemplation	30 (62.5)	41 (74.5)	2.551	0.466
Contemplation	16 (33.3)	13 (23.6)
Preparation	1 (2.1)	1 (1.82)
Action	1 (2.1)	0 (0.0)
Maintenance	0 (0.0)	0 (0.0)
T0
Precontemplation	15 (31.2)	38 (69.1)	22.198	0.000**
Contemplation	19 (39.6)	16 (29.1)
Preparation	12 (25.0)	0 (0.0)
Action	2 (4.2)	1 (1.8)
Maintenance	0 (0.0)	0 (0.0)

**p < 0.01; T at the baseline, T₀ after intervention