Table 2.

Multinomial logistic regression models to predict cluster membership compared with the engaged in care cluster

Stratum	Detectable first viral load (dVL)a		Suppressed first viral load (sVL)a
Service use cluster	Sporadic care	Frequent use	Sporadic care	Frequent use
	Risk ratio (95 % CI)		Risk ratio (95 % CI)
Race/gender group
White male	(Reference)	(Reference)	(Reference)	(Reference)
White female	0.94 (0.42, 2.08)	3.32 (1.17, 9.42)	1.21 (0.59, 2.51)	2.27 (0.49, 10.57)
Non-white male	1.09 (0.74, 1.61)	1.34 (0.66, 2.72)	1.49 (0.99, 2.22)	0.77 (030, 1.99)
Non-white female	1.18 (0.76, 1.85)	2.85 (1.36, 5.97)	1.20 (0.77, 1.88)	0.52 (0.16, 1.74)
Insurance status
Self-pay	(Reference)	(Reference)	(Reference)	(Reference)
Private	0.69 (0.47, 1.01)	0.98 (0.52, 1.84)	1.00 (0.64, 1.56)	0.17 (0.03, 0.77)
Public	0.72 (0.50, 1.03)	1.17 (0.68, 2.02)	0.91 (0.60, 1.39)	0.72 (0.28, 1.88)
County of residence
Primary	(Reference)	(Reference)	(Reference)	(Reference)
Secondary	1.14 (0.80, 1.60)	0.78 (0.47, 1.29)	1.13 (0.77, 1.65)	1.60 (0.57, 4.48)
Outer	1.18 (0.77, 1.81)	0.67 (0.34, 1.31)	1.02 (0.65, 1.62)	1.23 (0.34, 4.45)
Out of state	2.53 (1.03, 6.21)	0.51 (0.06, 4.18)	1.27 (0.41, 3.98)	12.63 (1.85, 86.2)
Age at entry (for each additional 10 years)	1.00 (1.00, 1.00)	100 (1.00, 1.00)	1.00 (1.00, 1.00)	1.00 (1.00, 101)
Attended first year visits (for each additional 1 visit)	0.84 (0.78, 0.91)	112 (1.04, 1.21)	0.72 (0.64, 0.81)	1.61 (1.33, 1.94)
Missed visits first year (for each additional 10 % visits missed)	1.00 (1.00, 1.00)	1.00 (1.00, 1.00)	1.00 (1.00, 1.00)	1.00 (1.00, 1.00)
VL suppressed first year (for each additional 10 % suppressed)	0.98 (0.93, 1.04)	0.88 (0.81, 0.95)	0.95 (0.87, 1.04)	0.92 (0.75, 1.13)
CD4 ≥ 350 first year (each additional 10 % above 350)	1.00 (0.96, 1.03)	0.93 (0.88, 0.99)	0.99 (0.94, 1.03)	1.02 (0.92, 1.14)

^aDetectable or suppressed first viral load (dVL, sVL) are categorized using a cut-point of ≥400 copies/mL or <400 copies/mL, respectively