Table 3.

Comparison of cigarettes/bidis consumed daily between the groups of the current study

Interventional groups	Pre-intervention cigarettes/bidis smoked per day		Post-intervention cigarettes/bidis smoked per day		Difference between preand post-intervention		Intra-group comparison Wilcoxson-sign rank value (P value)
	Mean ± SD	Median (IQR)	Mean ± SD	Median (IQR)	Mean ± SD	Median (IQR)
Group one	18.25 ± 8.35	12.2 (13–24)	9.85 ± 5.86	10 (1–24)	8.4 ± 4.0	6.5 (2–16)	Z = −3.94 (<0.01)*
Group two	15.4 ± 7.95	14.0 (4–36)	8.4 ± 5.08	8 (1–22)	7 ± 4.49	7.0 (0–14)	Z = −3.83 (<0.01)*
Group three	17.4 ± 6.77	17.5 (5–24)	9.95 ± 4.14	10.0 (3–24)	8.05 ± 4.67	8.5 (2–14)	Z = −3.84 (<0.01)*
Intergroup comparison Kruskal-Wallis ANOVA (P value)	1.21 (0.51)		1.43 (0.48)		1.51 (0.47)

SD = standard deviation; IQR = interquartile range; group one = laser group; group two = counselling group; group three = laser + counselling; ANOVA= analysis of variance.

^*Statistically significant.