Table Info

Table 2.

Comparison of patients with SCD and no SCD

Variable		No SCD*		SCD		P⁺
Variable		n	%	n	%	P⁺
Sex	Male	7,152	23.5	484	15.9	< 0.001
Sex	Female	23,344	76.5	2,557	84.1	< 0.001
White	No	5,231	17.2	554	18.2	0.138
White	Yes	25,265	82.8	2,487	81.8	0.138
College completed	No	12,472	40.9	1,372	45.1	< 0.001
College completed	Yes	18,024	59.1	1,669	54.9	< 0.001
Smoker in 3 categories	Never	16,032	52.6	1,428	47.0	< 0.001
	Previous	9,751	32.0	962	31.6
	Current	4,713	15.5	651	21.4
Private insurance	No	10,257	33.6	1,197	39.4	< 0.001
Private insurance	Yes	20,239	66.4	1,844	60.6	< 0.001
Medicare	No	16,615	54.5	1,584	52.1	0.011
Medicare	Yes	13,881	45.5	1,457	47.9	0.011
Medicaid	No	28,852	94.6	2,688	88.4	< 0.001
Medicaid	Yes	1,644	5.4	353	11.6	< 0.001
No insurance	No	30,128	98.8	2,995	98.5	0.145
No insurance	Yes	368	1.2	46	1.5	0.145
History of DM	No	27,452	90.0	2,664	87.6	< 0.001
History of DM	Yes	3,044	10.0	377	12.4	< 0.001
History of fibromyalgia	No	29,052	95.3	2,586	85.0	< 0.001
History of fibromyalgia	Yes	1,444	4.7	455	15.0	< 0.001
Disabled	No	26,832	88.0	2,169	71.3	< 0.001
Disabled	Yes	3,664	12.0	872	28.7	< 0.001
MTX use	No	15,035	49.3	1,601	52.6	< 0.001
MTX use	Yes	15,461	50.7	1,440	47.4	< 0.001
Prednisone use	No prednisone	24,087	79.0	2,231	73.4	< 0.001
	Dose < 10	4,775	15.7	553	18.2
	Dose ≥ 10	1,634	5.4	257	8.5
Alcohol use	Non-drinker	16,735	54.9	1,968	64.7	< 0.001
	Occasionally	5,445	17.9	520	17.1
	1–3 Per week	5,950	19.5	408	13.4
	1–2 Per day	2,173	7.1	133	4.4
	3 Or more daily	193	0.6	12	0.4
Exercise	No	12,924	42.4	1,655	54.4	< 0.001
	1–2 Times/week	5,423	17.8	417	13.7
	3–4 Times/week	5,574	18.3	374	12.3
	5–6 Times/week	2,343	7.7	157	5.2
	Daily	1,347	4.4	133	4.4
	Not sure	2,885	9.5	305	10.0
Number prior biologic/TS DMARDs	None	10,546	34.6	1,040	34.2	< 0.001
	1	9,558	31.3	838	27.6
	2	4,867	16.0	466	15.3
	3+	5,525	18.1	697	22.9
Use of biologic/TS DMARDs	No	14,763	48.4	1,508	49.6	0.215
Use of biologic/TS DMARDs	Yes	15,733	51.6	1,533	50.4	0.215
Use of NSAIDs	No	14,695	48.2	1,473	48.4	0.791
Use of NSAIDs	Yes	15,801	51.8	1,568	51.6	0.791
Narcotic pain med	No	26,396	86.6	2,201	72.4	< 0.001
Narcotic pain med	Yes	4,100	13.4	840	27.6	< 0.001
Depression	No	27,949	91.6	1,904	62.6	< 0.001
Depression	Yes	2,547	8.4	1,137	37.4	< 0.001

* SCD determined with patient self-report of difficulty thinking and confusion; ⁺ means compared using t tests, categorical variables compared using Fisher’s exact test. TS DMARDs: targeted synthetic DMARDs

Supplementary materials

The supplementary material for this article is available at: https://www.explorationpub.com/uploads/Article/file/100725_sup_1.pdf.

Declarations

Acknowledgments

The authors would like to thank all the participating investigators and patients in the CorEvitas Rheumatoid Arthritis Registry who contributed data for this study.

Author contributions

OP, DAP, and JMK equally contributed to: Conceptualization, Data curation, Formal analysis, Writing—original draft, Writing—review & editing, Supervision. GR: Conceptualization, Formal analysis, Writing—original draft, Writing—review & editing, Supervision. LRH: Conceptualization, Data curation, Writing—original draft, Writing—review & editing, Supervision.

Conflicts of interest

DAP has equity interests and is an employee of CorEvitas (formerly known as Corrona), is a member of the Board of Directors of the Corrona Research Foundation (CRF), and has received honoraria/consulting fees from Novartis, Sanofi, Genentech, Roche, and Abbvie. GR is a consultant for Corrona Research Foundation and CorEvitas, LLC. LRH is an employee and stockholder of CorEvitas and has received honoraria/consulting feeds from AbbVie, Bristol-Myers Squibb, and Roche, on the speaker’s bureau for Bristol-Myers Squib, and received grant funding from Pfizer. JMK is the president of the Corrona Research Foundation where he serves in a non-remunerative position. He is also a consultant for CorEvitas.

Ethical approval

Sponsor approval and continuing review were obtained through a central IRB (New England Independent Review Board, NEIRB No. 120160610) and complied with the Declaration of Helsinki.

Consent to participate

Informed consent to participate in the study was obtained from all participants.

Consent to publication

Not applicable.

Availability of data and materials

Data are available from CorEvitas, LLC through a commercial subscription agreement and are not publicly available. Additional aggregated data are available from the authors.

Funding

This study was funded by the Corrona Research Foundation. The funder had no role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright

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