Neurobehavioral effects of HIV-1 infection in China and the United States: a pilot study.
The HIV epidemic in China has been increasing exponentially, yet there have been no studies of the neurobehavioral effects of HIV infection in that country. Most neuroAIDS research has been conducted in Western countries using Western neuropsychological (NP) methods, and it is unclear whether these testing methods are appropriate for use in China. Twenty-eight HIV seropositive (HIV+) and twenty-three HIV seronegative (HIV-) individuals with comparable gender, age, and education distributions were recruited in Beijing and the rural Anhui province in China. Thirty-nine HIV+ and thirty-one HIV- individuals were selected from a larger U.S. cohort recruited at the HIV Neurobehavioral Research Center, in San Diego, to be matched to the Chinese sample for age, disease status, and treatment variables. The NP test battery used with the U.S. and China cohorts included instruments widely used to study HIV infection in the United States. It consisted of 14 individual test measures, each assigned to one of seven ability areas thought to be especially vulnerable to effects of HIV on the brain (i.e., verbal fluency, abstraction/executive function, speed of information processing, working memory, learning, delayed recall, and motor function). To explore the cross-cultural equivalence and validity of the NP measures, we compared our Chinese and U.S. samples on the individual tests, as well as mean scaled scores for the total battery and seven ability domains. On each NP test measure, the mean of the Chinese HIV+ group was worse than that of the HIV- group. A series of 2x2 analyses of variance involving HIV+ and HIV- groups from both countries revealed highly significant HIV effects on the Global and all Domain mean scaled scores. Country effects appeared on two of the individual ability areas, at least partly due to education differences between the two countries. Importantly, the absence of HIV-by-Country interactions suggests that the NP effects of HIV are similar in the two countries. The NP test battery that was chosen and adapted for use in this study of HIV in China appears to have good cross-cultural equivalence, but appropriate Chinese norms will be needed to identify disease-related impairment in individual Chinese people. To inform the development of such norms, a much larger study of demographic effects will be needed, especially considering the wide range of education in that country.
Cysique
Lucette A
LA
Department of Psychiatry, University of California at San Diego, and VA San Diego Health Care System, La Jolla, California 92093-0603, USA.
Jin
Hua
H
Franklin
Donald R
DR
Morgan
Erin E
EE
Shi
Chuan
C
Yu
Xin
X
Wu
Zunyou
Z
Taylor
Michael J
MJ
Marcotte
Thomas D
TD
Letendre
Scott
S
Ake
Christopher
C
Grant
Igor
I
Heaton
Robert K
RK
D015526:AIDS Dementia Complex / Q000453:epidemiology* / Q000503:physiopathology* / Q000523:psychology; D000328:Adult; D000339:Affect / Q000502:physiology; D000704:Analysis of Variance; D001519:Behavior / Q000502:physiology*; D002681:China / Q000453:epidemiology; D003431:Cross-Cultural Comparison; D005260:Female; D015497:HIV-1; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D009483:Neuropsychological Tests / Q000706:statistics & numerical data; D010865:Pilot Projects; D014481:United States / Q000453:epidemiology
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