Table 1.

Sociodemographic characteristics of participants and people selected for invitation, Hälsorapport (n = 3245), Sweden 2013–2014

Sociodemographic conditions	Participants		Selected for invitation		Acceptance proportion		Total population
	N	%	N	%	%	P*	N	%	P†
Age, years
<5	1477	45	14 424	41	10	<0·001	579 019	6	<0·001
5–14	389	12	4355	12	9·3		1 067 082	11
15–39	440	14	6768	19	6·3		3 055 723	32
40–64	559	17	5686	16	9·8		3 070 833	32
65–85	376	12	3609	13	10		1 872 207	19
Total	3241	100	34 842	100	9·3		9 644 864	100
Missing	4
Sex
Male	1524	47	17 766	51	8·6	0·005	4 814 357	50	<0·001
Female	1721	53	17 076	49	10		4 830 507	50
Total	3245	100	34 842	100	9·3		9 644 864
Area‡
North	346	11	3953	11	8·7	0·252	1 157 135	12	0·02
Centre	1364	42	14 252	41	9·6		3 881 705	40
South	1515	47	16 637	48	8·8		4 606 024	48
Total	3225	100	34 842	100	9·3		9 644 864	100
Missing	20
Education§
Primary school	188	5·8	5690	17	3·3	<0·001	1 355 236	19	<0·001
Upper secondary school	658	3·1	14 926	45	4·4		3 140 580	45
Post-secondary school <3 years	613	19	4590	14	13		987 409	14
Post-secondary school ⩾3 years	1765	55	8132	24	22		1 449 731	21
Total	3224	100	33 338	100	9·7		6 932 956	100
Missing	21		1504

* Participants vs. invitees.

† Participants vs. total population.

‡ Education is for both participants and invitees; we recorded the education of the guardian for <16-year-olds.

§ North (Gävleborg, Norrbotten, Västerbotten, Jämtland, Västernorrland); Central (Stockholm, Uppsala, Södermanland, Dalarna, Västmanland, Örebro, Värmland); South (Östergötland, Jönköping,Västra Götaland, Halland, Skåne, Blekinge, Gotland, Kalmar, Kronoberg).