Cost-effectiveness of a universal strategy of brief dietary intervention for primary prevention in primary care: population-based cohort study and Markov model

Table 4 Cost-effectiveness of dietary intervention in selected age-groups

Age group	Life years healthy	Incremental QALYs ^a	Incremental Costs ^a	Net health benefit ^b	Probability cost-effective (%)
30 years and over	44.1	4.40	140,716	-0.29	48.5
30 years and over	(-21.0 to 105.7)	(-10.0 to 18.6)	(63,609 to 217,580)	(-14.5 to 13.6)	48.5
30 to 74 years	42.1	3.84	140,758	-0.85	47.5
30 to 74 years	(-23.3 to 107.0)	(-11.2 to 19.1)	(59,557 to 221,842)	(-16.4 to 14.1)	47.5
40 years and over	49.7	5.3	131,152	0.95	52.8
40 years and over	(-15.8 to 117.6)	(-10.3 to 22.2)	(53,690 to 206,149)	(-14.8 to 17.2)	52.8
40 to 74 years	51.9	5.7	136,606	1.12	54.2
40 to 74 years	(-16.3 to 127.7)	(-11.2 to 22.4)	(56,301 to 215,257)	(-16.0 to 17.8)	54.2
50 years and over	55.6	6.8	131,812	2.41	56.0
50 years and over	(-11.7 to 126.5)	(-14.6 to 28.9)	(60,978 to 208,546)	(-18.6 to 24.6)	56.0
50 to 74 years	61.5	7.4	132,929	2.94	59.0
	(-21.0 to 146.2)	(-16.7 to 31.9)	(56,612 to 205,664)	(-21.3 to 26.4)

^adiscounted at 3.5%; ^bnet health benefit at a threshold of £30,000 per QALY.
Figures are expressed per 1,000 participants entering the model and represent the mean and 95% range of 1,000 simulations in each age group.

ISSN: 1478-7547