Table 2. The utility weights by age and risk groups and pneumococcal disease.

Age group	Risk	Health-state utility	Utility by acute event
		General population	IPD	NPP
18–49 years	Low	0.972	0.0416	0.0197
	Moderate	0.972	0.0335	0.0285
	High	0.843	0.0482	0.0395
50–64 years	Low	0.948	0.048	0.0197
	Moderate	0.948	0.0388	0.0285
	High	0.792	0.0476	0.0395
65–74 years	Low	0.913	0.0436	0.0263
	Moderate	0.913	0.0416	0.0395
	High	0.682	0.0379	0.0526
≥75 years	Low	0.85	0.0338	0.0285
	Moderate	0.85	0.0416	0.0416
	High	0.68	0.0425	0.057