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Table 3 Multivariable generalized logit regression model of not participating in the study

From: Representativeness of an HIV cohort of the sites from which it is recruiting: results from the Ontario HIV Treatment Network (OHTN) cohort study

Characteristics OCS participation OR (9% CI) p value
Site    
 UHN (ref.)   1  
 MLMC Declined 0.02 (0.007,0.05) <.0001
Not Approached 0.025 (0.01,0.05) <.0001
 OGH Declined 0.37 (0.24,0.58) <.0001
Not Approached 0.80 (0.58,1.09) 0.15
 WRH Declined 0.12 (0.01,0.34) <.0001
Not Approached 1.86 (1.31,2.63) 0.0004
Age (per 10 years) Declined 0.98 (0.82,1.18) 0.86
  Not Approached 0.98 (0.86,1.12) 0.79
Gender    
 Female (ref.)   1  
 Male Declined 1.28 (0.81,2.02) 0.29
Not Approached 1.14 (0.79,1.64) 0.48
Risk factor†    
 MSM Declined 0.31 (0.20,0.45) <.0001
Not Approached 0.30 (0.21,0.46) <.0001
 IDU Declined 0.53 (0.26,1.08) 0.08
Not Approached 0.59 (0.37,0.97) 0.04
 Heterosexual Declined 0.70 (0.43,1.14) 0.15
Not Approached 0.59 (0.39,0.89) 0.01
Born in Canada Declined 0.62 (0.43,0.90) 0.012
Not Approached 0.87 (0.65,1.16) 0.35
Years since HIV+ test (per year) Declined 0.95 (0.93,0.98) 0.0007
Not Approached 0.94 (0.92,0.96) <.0001
On cART Declined 0.61 (0.39,0.97) 0.04
Not Approached 0.91 (0.64,1.31) 0.62
VL <50 copies/mL Declined 1.28 (0.81,2.02) 0.29
Not Approached 0.59 (0.42,0.82) 0.002
CD4 count (cells/mm3)    
 >500 (ref.)   1  
 200-500 Declined 1.11 (0.78,1.58) 0.56
Not Approached 1.02 (0.77,1.33) 0.92
 <200 Declined 2.20 (1.29,3.75) 0.004
Not Approached 1.51 (0.93,2.15) 0.11
  1. UHN University Health Network, MLMC Maple Leaf Medical Clinic, MSM men who have sex with men, IDU injection drug use, cART combination antiretroviral therapy, VL viral load.
  2. † HIV risk factors are not mutually exclusive.