Validation of the dutch version of the health education impact questionnaire (HEIQ) and comparison of the Dutch translation with the English, German and French HEIQ

Table 1 Demographic and clinical characteristics of study populations

	Food allergy (FA)	Atopic dermatitis (AD)	Rheumatoid arthritis (RA)	Asthma	Total
n	66	71	88	61	286
Sex: Female n (%)	(77.3)	(64.8)	(69.3)	(83.3)	(72%)
Age: mean, (sd) in years	36.0 (12.5)	34.9 (15.3)	53.6 (15.1)	42.5 (13.7)	42.5 (16.3)
Other demographic data (n)	14	18	88	n.a.	120
Marital status
Single	50%	33%	14%		21%
Married	50%	61%	75%		70%
Divorced	0%	0%	9%		7%
Widowed	0%	6%	2%		3%
Level of education^a
Low	14%	11%	33%		28%
Medium	21%	22%	32%		29%
High	64%	67%	32%		41%
Other	0%	0%	3%		3%
Duration of disease mean (sd) in years	15.8 (11.7)	27.3 (14.8)	13.3 (11.8)		15.7 (13.1)
Self-rated health score mean (sd)^c	7.1 (1.4)	7.3 (1.2)	6.5 (1.6)		6.7 (1.6)
Asthma Control Questionnaire (ACQ) (sd)^d				1.0 (0.8)
Food allergy characteristics^b
Peanut	50%
Nuts	73%
Egg	12%
Cow’s milk	15%
Other animal products	11%
Fruits & vegetables	68%

^a Low primary school or lower vocational secondary education, intermediate general secondary education; Middle intermediate vocational education, higher general secondary education; High higher vocational education or university education
^bIndividuals may have more than one food allergy
^cmeasured on a scale from 1–10 (1 (worst) to 10 (excellent)
^dACQ: plausible range 0–6, controlled asthma: 0–0.75, partly controlled asthma: 0.75–1.5, uncontrolled asthma: >1.5)

ISSN: 1477-7525