Table 2.

FACTORS ASSOCIATED WITH COMPLETING THE FAMILY HISTORY SECTION OF THE QUESTIONNAIRE

	Answered (yes) vs. preferred not to answer (no)				Answered (yes) vs. did not know (no)
	Yes	No	Prevalence ratio (PR)	95% confidence interval (CI)	Yes	No	PR	95% CI
Gender
Men	1794	1131	1.00		1794	867	1.00
Women	4187	1260	1.25	1.19–1.32	4187	929	1.21	1.15–1.28
Education
<High school	1059	724	1.00		1059	710	1.00
High school	1871	902	1.13	1.05–1.22	1871	627	1.24	1.15–1.34
Voc/tech/asso/col	2553	691	1.32	1.23–1.42	2553	415	1.43	1.33–1.53
Bac/Mas/PhD	454	49	1.52	1.36–1.69	454	25	1.57	1.41–1.76
Age (years)
<30	1615	753	1.00		1615	589	1.00
30–39	1306	509	1.06	0.98–1.13	1306	310	1.10	1.03–1.19
40–49	1544	543	1.08	1.01–1.16	1544	389	1.09	1.02–1.17
50–59	1027	343	1.10	1.02–1.19	1027	253	1.09	1.01–1.18
≥60	489	243	0.98	0.89–1.08	489	255	0.90	0.81–0.99
General health condition
Excellent/very good	1837	770	1.00		1837	550	1.00
Good	2556	1028	1.01	0.95–1.08	2556	716	1.02	0.96–1.08
Fair/poor	1582	586	1.04	0.97–1.11	1582	523	0.98	0.92–1.05
Medical condition
No disease	2402	1267	1.00		2402	920	1.00
1 disease	1620	593	1.12	1.05–1.19	1620	457	1.08	1.01–1.15
2+ diseases	1959	531	1.20	1.13–1.28	1959	419	1.14	1.07–1.21
Language spoken at home
English	2783	939	1.00		2783	660	1.00
American Indian Alaskan Native (AIAN)	479	290	0.84	0.76–0.92	479	237	0.83	0.75–0.92
Both	2694	1143	0.94	0.89–0.99	2694	875	0.94	0.89–0.99
Identity with native culture
Not at all	1517	473	1.00		1517	402
A little	2426	934	0.95	0.89–1.01	2426	578	1.00
Some	1328	584	0.91	0.85–0.98	1328	482	1.02	0.96–1.09
A lot	698	396	0.84	0.77–0.92	698	332	0.93	0.86–1.00
Residency area
<50,000 people	4826	2060	1.00		4826	1580	1.00
>50,000 people	1146	327	1.11	1.04–1.18	1146	209	1.12	1.05–1.20
Region
South-Central Alaska	958	266	1.00		958	164	1.00
South-East Alaska	651	139	1.05	0.95–1.16	651	94	1.02	0.93–1.13
South-West Alaska	834	402	0.86	0.79–0.95	834	292	0.87	0.79–0.95
Navajo	3538	1584	0.88	0.82–0.95	3538	1246	0.87	0.81–0.93