Table 1.

Descriptives of the participants from the capital city Nuuk in West Greenland and in town and settlements in rural Ammassalik district in East Greenland as reported in interview-based questionnaires.

	Inuit
	Total		City		Town		Settlements
	n	%	n	%	n	%	n	%
All Inuit	434	100.0	150	100.0	141	100.0	143	100.0
Gender
Men	229	52.8	70	46.7	80	56.7	79	55.2
Women	205	47.2	80	53.3	61	43.3	64	44.8
Age
50–59 years	259	59.7	87	58.0	87	61.7	85	59.4
60–69 years	175	40.3	63	42.0	54	38.3	58	40.6
Smokera
Present	328	75.8	111	74.5	108	76.6	109	76.2
Past	49	11.3	16	10.7	14	9.9	19	13.3
Never	56	12.9	22	14.8	19	13.5	15	10.5
Alcohol useb
Daily	57	13.4	12	8.3	16	11.5	29	20.3
Occasionally	95	22.3	40	27.8	35	25.2	20	14.0
Rarely	274	64.3	92	63.9	88	63.3	94	65.7
Use of supplements with iodine	29	6.7	18	12.0	8	5.7	3	2.1
History of thyroid disease
Hypothyroidism	4	0.9	1	0.7	2	1.4	1	0.7
Hyperthyroidism	5	1.2	1	0.7	2	1.4	2	2.1
Unknown	31	7.1	16	10.7	14	9.9	1	0.7
No	394	90.8	132	88.0	123	87.2	139	97.2
Goiterc	6	1.4	3	2.0	3	2.1	0	0.0
Previous treatmentd
Medicine	1	0.2	0	0.0	0	0.0	1	0.7
Radioiodine	1	0.2	1	0.7	0	0.0	0	0.0
Surgery	3	0.7	1	0.7	1	0.7	1	0.7
Thyroid medication at present	2	0.5	0	0.0	1	0.7	1	0.7
Thyroid disorder in 1st degree relative	8	1.8		6	4.0	1	0.7	0.7
Unknown	98	22.6	56	37.3	33	23.4	9	6.3
Visible goitre	1	0.2	1	0.7	0	0.0	0	0.0

^aOne non-Inuit missing; ^bNine missing; ^cData missing in one self-reported previous goitre; ^dData missing in two.