Establishing the HLS-Q12 short version of the European Health Literacy Survey Questionnaire: latent trait analyses applying Rasch modelling and confirmatory factor analysis

Table 1 Characteristics of study sample and the Norwegian population

	Sample (n = 900)	Population^a (N = 4,115,195)
Age
mean ± sd	47.0 ± 17.7	46.5 ± 19.0
- median	48	45
- min−max	16−91	16−105
- missing	0	0
	%	%
16–24 years	13	15
25–39 years	25	25
40–54 years	25	26
55–66 years	21	17
67–79 years	14	12
80+ years	2	5
Gender	n (%)	n (%)
- males	441 (49)	2,567,434 (50)
- females	459 (51)	2,541,622 (50)
- missing	0
Highest completed education	n (%)	%
- compulsory comprehensive school	87 (10)	26
- upper-secondary school	298 (33)	38
- university level, lower degree^b	321 (36)	23
- university level, higher degree^c	191 (21)	9
- missing	3 (< 1)

^aNorwegian population 16 years and over in 2014 (Statistics Norway, 2017)
^bEducation at university or university college for 4 years or less (Bachelor’s degree)
^cEducation at university or university college for 5 years or more (Master’s degree and/or PhD)

ISSN: 1472-6963