Table 1.

Sample demographics by arthritis status in U.S. adults 2008–2016 (n = 227,663)

	Total n (%)	Arthritis n (%)
		Yes	No
All	227,663 (100)	53,058 (23)	173,999 (76)
Age
18–34	75,029 (33)	2912 (5)	71,980 (41)
35–44	40,841 (18)	5017 (9)	35,740 (21)
45–64	75,563 (33)	24,112 (45)	51,166 (29)
> =65	36,230 (16)	21,017 (40)	15,113 (9)
Sex
Male	105,808 (46)	19,411 (37)	86,106 (49)
Female	121,855 (54)	33,647 (63)	87,893 (51)
Race/Ethnicity
Hispanic	62,471 (27)	8637 (16)	53,725 (31)
Non-Hispanic White	97,981 (43)	29,303 (55)	68,364 (39)
Non-Hispanic Black	44,672 (20)	11,651 (22)	32,896 (19)
Other	22,539 (10)	3467 (7)	19,014 (11)
Region
Northeast	36,212 (16)	8823 (17)	27,319 (16)
Midwest	43,470 (19)	11,581 (22)	31,765 (18)
South	86,081 (38)	21,319 (40)	64,527 (37)
West	61,900 (27)	11,335 (21)	50,388 (29)
Education
Less than bachelor’s	142,906 (72)	35,022 (75)	108,762 (72)
Bachelor’s degree or more	54,868 (28)	11,652 (25)	43,163 (28)
Employment
Employed	143,289 (63)	21,460 (41)	121,648 (70)
Not employed	83,402 (37)	31,482 (59)	51,778 (30)
Poverty Category
High income [> = 400]	66,206 (29)	15,104 (28)	50,923 (29)
Middle Income [> = 200 & < 400]	68,321 (30)	15,025 (28)	53,099 (31)
Low Income [> = 125 & < 200]	37,626 (17)	8829 (17)	28,690 (16)
Near Poor [> = 100 & < 125]	13,566 (6)	3590 (7)	9946 (6)
Poor [< 100]	41,944 (18)	10,545 (20)	31,341 (18)
Insurance Status
Any Private	129,900 (57)	28,239 (53)	101,543 (58)
Public only	52,15 (23)	20,200 (38)	32,552 (19)
Uninsured	44,948 (20)	4619 (9)	39,904 (23)
Year
2008–2010	72,625 (32)	16,685 (31)	55,730 (32)
2011–2013	79,362 (35)	17,843 (34)	61,317 (35)
2014–2016	75,676 (33)	18,530 (35)	56,952 (33)