Table 2

Number of deaths, person time, and age and ethnicity standardised mortality rates 1–14 years both sexes for each socioeconomic variable, by cohort period

	1981–84			1986–89			1991–94			1996–99
	Deaths	Person time	Standardised mortality rate	Deaths	Person time	Standardised mortality rate	Deaths	Person time	Standardised mortality rate	Deaths	Person time	Standardised mortality rate
Mortality rate and person time per 100000. Deaths are weighted number of deaths. Number of deaths rounded to base 3 as per Statistics New Zealand confidentiality requirements.
Income
Low	225	525406	45.0	213	541747	41.8	201	620929	32.1	195	641673	29.4
Medium	201	671669	33.6	171	631181	28.9	114	478969	24.2	123	515030	24.8
High	186	610601	32.2	123	454993	30.3	108	536610	21.6	108	607858	18.9
Missing	135	354562	37.3	144	362780	39.8	114	353627	31.6	111	335415	32.0
	744	2162238		648	1990701		537	1990134		537	2099976
Education
Nil	405	1028330	43.5	258	757143	36.3	207	609657	33.9	192	571622	32.5
School	159	468725	38.6	144	514278	30.1	138	588858	24.0	162	740653	23.2
After school	96	409042	22.6	180	558113	36.2	165	709063	22.9	153	700545	23.3
Missing	87	256141	39.0	63	161167	41.8	24	82557	31.2	24	87156	21.6
	744	2162238		648	1990701		537	1990134		537	2099976
Occupation class
Groups 4–6	357	952899	38.3	252	787,348	32.7	186	608228	30.6	177	644629	27.1
Groups 1–3	282	977424	33.1	294	966825	35.4	174	909691	19.3	201	1004247	22.2
Non-active	105	231914	47.5	102	236528	43.0	177	472215	33.9	156	451100	29.2
	744	2162238		648	1990701		537	1990134		537	2099976