Table 2. Mixed effects logistic regression results: odds ratios for sessile serrated lesion detection.

Fixed effects	Odds ratio	Standard error	P  > z	95 % CI
Attending vs. fellow
Attending-performed	REF	REF	REF	REF	REF
Fellow-performed	0.934	0.094	0.497	0.768	1.137
First-year fellow	0.805	0.074	0.018	0.673	0.964
Patient sex
Female	REF	REF	REF	REF	REF
Male	0.859	0.044	0.003	0.777	0.949
Patient age	1.008	0.003	0.017	1.001	1.014
Patient race
White/Anglo	REF	REF	REF	REF	REF
American Indian	0.385	0.051	0.000	0.296	0.500
Asian	0.568	0.090	0.000	0.416	0.775
Black/African American	0.399	0.082	0.000	0.266	0.597
Unavailable	0.918	0.074	0.287	0.785	1.074
Patient ethnicity
Hispanic/Latino	REF	REF	REF	REF	REF
Not Hispanic/Latino	1.687	0.098	0.000	1.505	1.890
Unavailable	1.256	0.135	0.033	1.018	1.550
Year
2008	REF	REF	REF	REF	REF
2009	2.495	1.060	0.031	1.085	5.737
2010	6.262	2.410	0.000	2.945	13.315
2011	3.626	1.436	0.001	1.668	7.882
2012	7.523	2.917	0.000	3.518	16.087
2013	13.030	4.959	0.000	6.180	27.473
2014	15.299	5.867	0.000	7.215	32.442
2015	16.961	6.504	0.000	7.999	35.963
2016	16.256	6.209	0.000	7.690	34.366
2017	20.573	7.797	0.000	9.788	43.242
2018	20.765	7.915	0.000	9.837	43.833
2019	22.371	8.552	0.000	10.575	47.326
2020	23.813	9.193	0.000	11.174	50.749
Constant	0.002	0.001	0.000	0.001	0.005
Physician random effect (Variance of random intercepts)	0.099	0.032		0.052	0.186

CI, confidence interval.