Table 4.

Change in prevalence of metal implants.

Population	Survey cycle	Model 1a		Model 2b
		OR (95% CI)	P value	OR (95% CI)	P value
Overall	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.23 (1.01, 1.50)	0.049	1.22 (1.01, 1.48)	0.043
Agec
40–59 years	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.11 (0.84, 1.46)	0.456	1.12 (0.85, 1.48)	0.433
60 years and older	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.30 (1.05, 1.60)	0.022	1.31 (1.07, 1.62)	0.015
Sexd
Men	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.35 (1.07, 1.71)	0.017	1.35 (1.09, 1.69)	0.011
Women	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.13 (0.89, 1.45)	0.322	1.12 (0.87, 1.44)	0.377
Race/ethnicitye
White	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.33 (1.04, 1.69)	0.027	1.30 (1.03, 1.65)	0.033
Non-White	2015–2016	Reference (1)	–	Reference (1)	–
	2017–March 2020	1.05 (0.86, 1.29)	0.633	1.04 (0.84, 1.28)	0.740

^aNo covariates were adjusted.

^bAge, sex, and race/ethnicity were adjusted.

^cAge was not adjusted in Model 2.

^dSex was not adjusted in Model 2.

^eRace/ethnicity was not adjusted in Model 2.

CI, confidence interval, OR, odds ratio.