Table 1.

 Numbers and percentage proportions of vaccine coverage by sex, socioeconomic status, birth cohorts, and healthcare utilisation one year before pandemic period, in Stockholm county, Sweden

Category	Vaccination status		Coverage (%)
	Unvaccinated	Vaccinated
All	921 005	1 024 019	52.6
Women	434 727	550 856	55.9
Men	486 278	473 163	49.3
Socioeconomic status*:
Affluent, inner city	90 819	109 179	54.6
Inner city	86 379	92 568	51.7
Mixed, near city	124 323	128 330	50.8
Young, near suburb	23 684	18 852	44.3
Older, near suburb	120 958	108 221	47.2
Poor, suburb, apartment	52 074	51 208	49.6
Multicultural suburb	149 956	98 832	39.7
Affluent, near suburb	140 457	247 888	63.8
Own house, suburb	47 963	70 022	59.3
Small house, suburb	36 520	48 666	57.1
Countryside	47 872	50 253	51.2
Birth year cohort:
1900-9	240	174	42.0
1910-19	7075	8249	53.8
1920-39	73 596	110 031	59.9
1940-9	93 806	120 071	56.1
1950-79	421 872	392 329	48.2
1980-4	86 234	47 332	35.4
1985-9	83 127	31 871	27.7
1990-4	59 117	64 814	52.3
1995-9	22 074	81 822	78.8
2000-4	24 984	89 239	78.1
2005-1 Oct 2009	48 879	78 087	61.5
No of hospital admissions:
None	854 064	928 972	52.1
1	47 199	66 601	58.5
2	11 239	15 878	58.5
≥3	8503	12 568	59.6
No of ambulatory care visits to hospital
None	599 097	596 869	49.9
1	124 429	154 379	55.4
2	62 181	81 793	56.8
3	37 035	50 119	57.5
4	23 659	33 038	58.3
≥5	74 605	107 821	59.1

*Stockholm mosaic classification.²⁴