TABLE 2.

Participant demographics and odds of adult care retention

	12-Month Retention N=311			24-Month Retention N=273
Variable	OR (95% CI)		p	OR (95% CI)		p
Gender
Male	1.02 (0.62, 1.67)		0.9506	0.96 (0.56, 1.64)		0.8897
Female	Ref			Ref
Genotype
HbSS, HbSβ0-thalassemia	1.86 (1.12, 3.09)		0.0164	1.64 (0.95, 2.82)		0.0750
HbSC, HbSβ+thalassemia, S/HPFH	Ref			Ref
Year of Transfer
2007–2011	Ref			Ref
2012–2016	1.69 (1.03, 2.79)		0.0391	1.81 (1.05, 3.12)		0.0314
Economic Hardship Index
Low	1.29 (0.78, 2.13)		0.3231	1.12 (0.67, 1.86)		0.6661
High	Ref			Ref
Death Status
Living	1.80 (0.62, 5.22)		0.2788	1.53 (0.50, 4.72)		0.4597
Deceased	Ref			Ref
Pediatric Outpatient Visitsc
Complete pediatric history	1.05 (0.99, 1.12)		0.1195	1.06 (1.00, 1.13)		0.0591
Last 2 years of pediatric care	1.06 (1.01, 1.11)		0.0303	1.08 (1.02, 1.13)		0.0088
Pediatric Outpatient Visitsc,d	Retained Mean (SD)	Not Retained Mean (SD)	p	Retained Mean (SD)	Not Retained Mean (SD)	p
Complete pediatric history	6.25 (4.3)	5.36 (4.9)	0.1181	6.27 (4.4)	5.21 (4.3)	0.0572
Last 2 years of pediatric care	7.73 (6.6)	5.92 (6.3)	0.0308	7.84 (7.1)	5.68 (5.0)	0.0037

^cDefined as mean outpatient encounters per year of pediatric care,

^dcomparison made using T-test.