Table 5.

Health-related quality of life and mental health indicators according to individual exposure to the Prestige oil-spill

	Unaffected (n = 865)		Slightly affected (n = 1408)		OR1	95% CI1	p	Seriously affected (n = 427)		OR2	95% CI2	p
	N	%	N	%				N	%
SF-36
Physical functioning
S.W.S.S.3	220	25.70	299	21.37	0.99	0.77 – 1.26	0.909	73	17.26	0.93	0.63 – 1.38	0.073
Role-physical
S.W.S.S.3	122	14.25	180	12.87	0.92	0.69 – 1.22	0.562	53	12.53	0.93	0.61 – 1.44	0.774
Bodily pain
S.W.S.S.3	320	37.38	559	39.96	1.29	1.05 – 1.57	0.013	154	36.41	1.29	0.95 – 1.74	0.098
General health
S.W.S.S.3	260	30.37	414	25.59	1.00	0.80 – 1.25	0.986	129	30.50	0.96	0.69 – 1.32	0.789
Vitality
S.W.S.S.3	121	14.14	173	12.37	0.88	0.65 – 1.18	0.388	46	10.87	0.92	0.59 – 1.45	0.725
Social functioning
S.W.S.S.3	189	22.08	273	19.51	0.79	0.62 – 1.00	0.055	76	17.97	0.74	0.51 – 1.06	0.104
Role-emotional
S.W.S.S.3	68	7.94	104	7.43	0.86	0.59 – 1.23	0.408	30	7.09	0.80	0.46 – 1.38	0.417
Mental health
S.W.S.S.3	180	21.30	330	23.59	1.06	0.83 – 1.35	0.631	96	22.70	1.00	0.70 – 1.43	0.993
GHQ-28
Somatic Symptoms
Cases	27	3.12	29	2.07	0.60	0.34 – 1.09	0.093	9	2.12	0.61	0.25 – 1.47	0.268
Anxiety and insomnia
Cases	20	2.31	40	2.85	0.10	0.60 – 2.01	0.762	14	3.29	1.36	0.59 – 3.16	0.472
Severe depression
Cases	2	0.23	5	0.36	1.35	0.21 – 8.55	0.752	1	0.24	1.05	0.06 – 18.96	0.973
Social dysfunction
Cases	11	1.27	18	1.28	0.87	0.37 – 2.07	0.755	4	0.94	0.59	0.16 – 2.21	0.432
HADS
Anxiety
Cases (prob+conf)*	87	10.06	150	10.65	1.04	0.76 – 1.44	0.786	44	10.3	1.14	0.71 – 1.86	0.576
Cases (conf)**	39	4.51	59	4.19	0.85	0.53 1.36	0.496	18	4.22	0.81	0.39 – 1.67	0.572
Depression
Cases (prob+conf)*	33	3.82	40	2.84	0.67	0.38 – 1.16	0.150	9	2.11	0.57	0.21 – 1.33	0.176
Cases (conf)*	10	1.16	11	0.78	0.86	0.32 – 2.32	0.771	4	0.94	1.60	0.38 – 6.78	0.527
GADS
Anxiety
Cases	112	12.95	179	12.71	0.92	0.69 – 1.24	0.602	49	11.48	0.88	0.56 – 1.38	0.582
Depression
Cases	75	8.67	110	7.81	0.71	0.48 – 1.03	0.071	26	6.09	0.47	0.26 – 0.85	0.012

1 OR: OR – 95% CI = odds ratio (slightly affected versus unaffected) adjusted for residential exposure, age, sex, work status, education, smoking, hours of sleep daily and number of chronic diseases -95% confidence interval.

2 OR: OR – 95% CI = odds ratio (seriously affected versus unaffected) adjusted for residential exposure, age, sex, work status, education, smoking, hours of sleep daily and number of chronic diseases. -95% confidence interval.

3 Subjects with suboptimal scores

* Probable (prob) and confirmed (conf) cases included.

** Only confirmed (conf) cases included