Table 3:

Comparison of SDS score over time between brief intervention and simple advice group.

SDS	Brief intervention group (n=50)	Simple advice group (n=50)	Time effect	Group effect	Time X group effect
Baseline	9.84±2.18	9.70±2.31	F=30.629;	F=0.379;	F=9.879;
4 weeks	8.66±2.11	9.30±2.51	df=1,	df=1,	df=1,
8 weeks	8.82±2.10	9.44±2.53	P<0.001*	P=0.541	P=0.003*
12 weeks	9.54±2.23	9.56±2.39
Intra group P-value	F=23.829; df=1, P<0.001*	F=8.173; df=1, P=0.006*

Shown as Mean±Standard Deviation, *P<0.05. SDS: Severity of dependence scale