Objective. To determine the patterns and determinants of mobility in p
ersons with HIV infection or AIDS on a population basis. Design. Descr
iptive cross-sectional population health study. Target Population. 650
full members (i.e., HIV-positive) of the Vancouver Persons with AIDS
Society who were residents of British Columbia and who allow the socie
ty to include unsolicited material with their monthly newsletter. Main
Outcome Measures. Migration history, access to HIV-related care at di
agnosis, current and pre-HIV sociodemographic characteristics, and cur
rent health status. Results. Two hundred and fifty-two persons living
with HIV/AIDS participated in the study. At the time of the survey, th
e majority of subjects were male (94 percent), aged between 30 and 54
years (87 percent), and able to carry out daily activities without ass
istance (84 percent). The median time since the known date of HIV infe
ction was 6 years. Access to care at diagnosis was associated in this
population with being diagnosed in the largest metropolitan area in th
e province (OR = 2.14; 95 percent CI: 1.18, 3.87), a pre-HIV income of
$30,000 or more per annum (OR = 0.49; 95 percent CI: 0.27, 0.89), a k
nown date of diagnosis prior to 1990 (78 percent versus 64 percent; p
= 0.019), and living in the same residence from the date of known HIV
diagnosis to the date of the survey (63 percent versus 51 percent; p =
0.024). Conclusion. Although no definitive causal association call be
provided by this cross-sectional analysis, our results clearly highli
ght several ways in which the need for treatment and care potentially
affect where persons with HIV/AIDS choose to live.