Table 1.

Basic characteristics of study population

Men		Nuuk	Sisimiut	Qaanaaq	Tasiilaq	All
Age (years)	n	50	52	43	41	186
	median	54*	30	34	34	37
	mean	54	31	34	34	39
	min-max	35–77	18–46	19–45	19–45	18–77
BMI (kg/m2)	n	46	52	43	41	182
	median	28	26	27	26	26
	mean	28	27	27	26	27
	min-max	22–35	19–36	20–41	21–33	19–41
Smoking (years)	n	45	52	41	40	178
	median	34*	12	18	15	18
	mean	31	12	17	15	19
	min-max	0–59	0–26	0–31	0–31	0–59
n-3/n-6	n	50	37	43	41	171
	median	0.61*	0.22▲	0.40	0.40	0.40
	mean	0.74	0.29	0.48	0.45	0.50
	min-max	0.20–1.93	0.10–0.73	0.09–1.45	0.12–1.03	0.09–1.93
Seabird intake (per month)	n	47	49	41	na	137
	median	2.0*	1.0	1.0	na	2.0
	mean	5.5	2.6	2.6	na	3.6
	min-max	0–20	0–28	0–20	na	0–28
Dairy food consumption (per month)	n	48	51	43	na	142
	median	41	51	32*♠	na	41
	mean	39	49	30	na	40
	min-max	2–84	8–84	3–58	na	2–84
Women
Age (years)	n	45	42	36	48	171
	median	38	31	34	29	34
	mean	36	33	33	30	33
	min-max	19–45	18–44	18–44	19–45	18–45
BMI (kg/m2)	n	43	42	36	48	169
	median	26	26	24	25	25
	mean	26	27	26	26	26
	min-max	18–32	19–47	18–34	17–40	17–47
Smoking (years)	n	42	42	34	48	166
	median	20	12	16	12	14
	mean	16	13	16	13	14
	min-max	0–33	0–27	0–29	0–31	0–33
n-3/n-6	n	45	38	36	48	167
	median	0.25	0.29	0.40#	0.41#	0.33
	mean	0.29	0.32	0.48	0.46	0.38
	min-max	0.12–0.72	0.14–0.82	0.15–1.53	0.18–1.0	0.12–1.53
Seabird intake (per month)	n	44	41	35	na	120
	median	1.0	1.0	1.0	na	1.0
	mean	1.4	1.3	3.4	na	1.9
	min-max	0–8.0	0–2.0	1.0–28	na	0–28
Dairy food consumption (per month)	n	45	42	35	na	122
	median	56	57	37	na	49
	mean	53	49	36	na	47
	min-max	2–84	0–84	0–84	na	0–84
Men + Women
Age (years)	n	95	94	79	89	357
	median	44	31	34	32	35
	mean	46	31	33	32	36
	min-max	19–77	18–46	18–45	19–45	18–77
BMI (kg/m2)	n	89	94	79	89	351
	median	26	26	26	25	26
	mean	27	27	27	26	26
	min-max	18–35	19–47	18–41	17–40	17–47
Smoking (years)	n	87	94	75	88	344
	median	23	12	17	13	16
	mean	23	12	16	14	16
	min-max	0–59	0–27	0–31	0–31	0–59
n-3/n-6	n	95	75	79	89	338
	median	0.36	0.25	0.40	0.40	0.36
	mean	0.51	0.30	0.48	0.45	0.44
	min-max	0.12–1.93	0.10–0.82	0.09–1.53	0.12–1.03	0.09–1.93
Seabird intake (per month)	n	91	90	76	na	257
	median	2.0	1.0	1.0	na	1.0
	mean	3.5	2.0	3.0	na	2.8
	min-max	0–20	0–28	0–28	na	0–28
Dairy food consumption (per month)	n	93	93	78	na	264
	median	48	51	36	na	43
	mean	46	49	33	na	43
	min-max	2–84	0–84	0–84	na	0–84

na: not available.

*: p < 0.05 versus other districts; ^▲: p < 0.05 versus Nuuk and Sisimiut men; ^#: p < 0.05 versus Nuuk and Sisimiut women; ^♠: p < 0.05 versus Nuuk and Sisimiut men and all women.