Table 2.

One-way analysis of variance of mean values for different domains of QoL stratified by smoking status at baseline (N = 432), “VIR + smoke study” 2012

Domain	N	Mean	SD	CI	p
Physical well-being					0.001
Non-smoker	216	16.07	2.68	15.71–16.43
Up to 10	53	15.58	2.83	14.80–16.36
11–20	84	15.79	2.66	15.21–16.37
21–30	50	15.36	3.71	14.30–16.41
More than 31	29	13.75	2.92	12.63–14.86
Psychological well-being					0.002
Non-smoker	216	15.29	2.71	14.93–15.66
Up to 10	53	14.92	3.27	14.01–15.82
11–20	84	15.16	2.29	14.66–15.66
21–30	50	14.24	3.01	13.38–15.10
More than 31	29	13.26	2.99	12.12–14.40
Level of independence					0.002
Non-smoker	216	16.10	2.93	15.71–16.49
Up to 10	53	15.81	3.81	14.75–16.86
11–20	84	15.67	2.79	15.06–16.27
21–30	50	14.62	3.50	13.62–15.61
More than 31	29	14.07	3.51	12.73–15.41
Social relationships					0.486
Non-smoker	216	15.44	2.95	15.04–16.39
Up to 10	53	15.58	2.93	14.77–16.39
11–20	84	15.22	2.72	14.63–15.81
21–30	50	15.11	3.72	14.05–16.17
More than 31	29	14.43	3.73	13.01–15.85
Environment					0.053
Non-smoker	216	16.51	2.30	16.20–16.82
Up to 10	53	15.96	2.72	15.21–16.71
11–20	84	16.27	1.94	15.85–16.69
21–30	50	15.92	1.95	15.36–16.47
More than 31	29	15.29	3.21	14.07–06.52
Spirituality					0.580
Non-smoker	216	15.61	3.06	15.20–16.02
Up to 10	53	15.86	3.40	14.92–16.80
11–20	84	15.80	3.58	15.02–16.58
21–30	50	15.26	3.47	14.27–16.25
More than 31	29	14.78	4.09	13.22–16.33