Table 2. Comparison of the mean scores of the two groups in two intervals measured by SF-12 .

Scales	A1	B1	P value A1 vs. B1	A2	B2	P value A2 vs. B2
General health	67.5 ± 16.42	51.25 ± 33.9	0.064	55 ± 21.54	42.1 ± 14.55	0.046
Physical functioning	120 ± 61.55	70 ± 100.71	0.346	152.5 ± 61.71	102.5 ± 69.72	0.021
Physical health	135 ± 81.27	90 ± 78.8	0.083	155 ± 75.91	140 ± 75.39	0.534
Mental health	130 ± 80.13	115 ± 81.27	0.56	155.55 ± 51.13	145 ± 68.63	0.598
Social functioning	47.5 ± 30.24	50 ± 33.44	0.802	26.25 ± 24.96	26.25 ± 24.47	1
Bodily pain	36.25 ± 33.9	50 ± 35.35	0.217	25 ± 25.64	32.5 ± 31.51	0.414
Vitality	79 ± 44.7	113.68 ± 41.66	0.017	87.77 ± 29.21	152.63 ± 19.1	0.0001
Emotional well-being	45 ± 25.85	39 ± 31.43	0.514	54.44 ± 26.39	48.42 ± 29.29	0.516

A: cessation group; B: smoking group.