Table 2.

Pre-post intervention comparison of the two groups on impulsivity and sub-components of impulsivity

Variables	Mean±SD		Time (T) (F, P)	Group (G) (F, P)	T × G (F, P)	Within group pre to post (P, η2)
	IIPA group (n=25)	TAU group (n=25)				IIPA group	TAU group
BIS total
Pre	77.09±8.30	72.50±8.60	49.12, 0.001***	0.61, 0.438	29.26, 0.001***	0.001***, 0.65 (L)	0.265, 0.03
Post	61.91±11.36	70.55±9.35
BIS attention
Pre	11.50±2.35	10.82±2.13	25.74, 0.001***	1.56, 0.218	21.45, 0.001***	0.001***, 0.53 (L)	0.757, 0.01
Post	8.50±2.26	10.68±2.21
BIS motor
Pre	18.55±3.66	17.68±3.72	11.23, 0.002**	0.08, 0.780	5.19, 0.028*	0.001***, 0.27 (L)	0.452, 0.01
Post	15.68±3.18	17.14±4.77
BIS self-control
Pre	16.18±2.70	14.41±4.12	33.71, 0.001***	0.28, 0.002**	10.40, 0.600	0.001***, 0.49 (L)	0.075, 0.07
Post	12.64±3.12	13.41±3.96
BIS cognitive complexity
Pre	15.68±2.61	13.59±2.42	9.03, 0.004**	0.01, 0.909	21.90, 0.001***	0.001***, 0.41 (L)	0.243, 0.03
Post	12.14±2.51	14.36±2.40
BIS perseverance
Pre	8.41±2.72	8.91±2.41	2.97, 0.092	1.56, 0.220	0.63, 0.431	0.082, 0.07	0.515, 0.01
Post	7.55±2.52	8.59±1.59
BIS cognitive instability
Pre	6.77±2.43	7.09±2.60	14.68, 0.001***	0.85, 0.361	1.50, 0.228	0.001***, 0.23 (L)	0.072, 0.08
Post	5.36±2.72	6.36±2.40
BIS attentional impulsiveness
Pre	18.27±3.67	17.91±3.53	33.11, 0.001***	1.96, 0.169	14.97, 0.001***	0.001***, 0.52 (L)	0.190, 0.04
Post	13.86±4.17	17.05±3.26
BIS motor impulsiveness
Pre	26.95±5.04	26.59±4.25	14.09, 0.001***	0.72, 0.400	5.48, 0.024*	0.001***, 0.31 (L)	0.324, 0.02
Post	23.23±4.68	25.73±4.53
BIS nonplanning impulsiveness
Pre	31.86±4.30	28.00±5.48	28.13, 0.001***	0.11, 0.741	24.72, 0.001***	0.001***, 0.56 (L)	0.816, 0.01
Post	24.82±4.67	27.77±5.71

*P<0.05, **P<0.01, ***P<0.001. L – Large effect size; BIS – Barratt’s Impulsiveness Scale; SD – Standard deviation; IIPA – Integrated intervention program for alcoholism; TAU – Treatment as usual