Assessing the empirical validity of alternative multi-attribute utility measures in the maternity context

Table 3 Relationship between mean SF-6D utility scores and self-reported health status (n = 493)

Group	Overall utility score	Self-reported health status					p-value*
		Excellent	Very good	Good	Fair	Poor
All women	0.809	0.916	0.856	0.741	0.652	0.507	<0.001
Age (years)
17–24	0.815	0.916	0.849	0.742	0.656	0.374	<0.001
25–34	0.806	0.911	0.856	0.735	0.655	0.583	<0.001
35–44	0.810	0.954	0.866	0.767	0.631	0.461	<0.001
Ethnicity
White	0.816	0.924	0.859	0.750	0.656	0.507	<0.001
Non-white	0.690	0.709	0.790	0.666	0.564	-	0.217
Car ownership
Yes	0.817	0.914	0.862	0.734	0.676	0.534	<0.001
No	0.776	0.928	0.828	0.759	0.583	0.374	<0.001
Housing tenure
Owner occupier	0.821	0.919	0.860	0.728	0.683	0.553	<0.001
Rented	0.778	0.903	0.837	0.771	0.613	0.461	<0.001
Paid employment
Yes	0.831	0.924	0.856	0.758	0.678	0.583	<0.001
No	0.767	0.886	0.852	0.716	0.638	0.432	<0.001
Plurality
Singleton	0.809	0.915	0.855	0.741	0.652	0.507	<0.001
Twin	0.822	1.000	0.902	0.681	0.628	-	0.109
Spontaneous birth
Yes	0.814	0.915	0.858	0.749	0.641	-	<0.001
No	0.799	0.919	0.852	0.724	0.698	0.507	<0.001

* ANOVA.
All tests for linear trend were statistically significant (p < 0.05) with the exception of the non-white ethnic sub-group (p = 0.077).

ISSN: 1477-7525