Table 3.

One-way analysis of variance results of the scores of variables in pre-tests

Variables		df	Sum of Squares	Mean of Squares	F	P
BDNF	Between groups	2	64.44	32.22
	Within groups	28	337.48	12.05	2.67	0.87
	Total	30	401.92
Depression	Between groups	2	56.07	28.03
	Within groups	28	1671.92	59.71	0.47	0.63
	Total	30	1782
Anxiety	Between groups	2	29.01	14.50
	Within groups	28	1866.98	66.67	0.21	0.80
	Total	30	1896
Stress	Between groups	2	5.91	2.95
	Within groups	28	1315.63	46.98	0.06	0.93
	Total	30	1321.54
Craving	Between groups	2	323.86	161.93
	Within groups	28	21445.88	65.92	0.21	0.811
	Total	30	21769.74

BDNF. Brain-Derived Neurotrophic Factor