Table 3.

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

	Interior (n = 1350)		Coast (n = 1350)		OR1	95% CI1	p
	N	%	N	%
SF-36
Physical functioning
Subjects with suboptimal scores	322	24.08	270	20.13	0.69	0.54 – 0.89	0.005
Role-physical
Subjects with suboptimal scores	176	13.16	179	13.35	0.96	0.73 – 1.28	0.811
Bodily pain
Subjects with suboptimal scores	537	40.16	496	36.99	0.74	0.62 – 0.91	0.003
General health
Subjects with suboptimal scores	367	27.45	436	32.51	1.15	0.93 – 1.43	0.193
Vitality
Subjects with suboptimal scores	173	12.94	167	12.45	0.85	0.63 – 1.13	0.271
Social functioning
Subjects with suboptimal scores	263	19.67	275	20.51	1.08	0.86 – 1.38	0.501
Role-emotional
Subjects with suboptimal scores	91	6.81	111	8.28	1.21	0.85 – 1.75	0.278
Mental health
Subjects with suboptimal scores	266	19.90	340	25.35	1.28	1.02 – 1.61	0.036
GHQ-28
Somatic symptoms
Cases	28	2.07	37	2.75	1.48	0.82 – 2.68	0.196
Anxiety and insomnia
Cases	31	2.30	43	3.20	1.07	0.60 – 1.91	0.762
Severe depression
Cases	4	0.30	4	0.30	0.76	0.13 – 4.38	0.776
Social dysfunction
Cases	12	0.89	21	1.56	1.91	0.82 – 4.42	0.133
HADS
Anxiety
Cases (prob+conf)*	133	9.85	148	10.96	0.97	0.71 – 1.32	0.836
Cases (conf)**	53	3.93	63	4.67	1.15	0.72 – 1.84	0.549
Depression
Cases (prob+conf)*	36	2.67	46	3.41	1.17	0.67 – 2.06	0.581
Cases (conf)**	11	0.81	14	1.04	0.92	0.33 – 2.52	0.870
GADS
Anxiety
Cases	163	12.07	177	13.11	1.01	0.76 – 1.35	0.949
Depression
Cases	85	6.30	126	9.33	1.72	1.18 – 2.49	0.004

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

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

** Only confirmed (conf) cases included.