Table 1.

Result of Cochran–Armitage Trend Test for 9 Groups of People Living with Human Immunodeficiency Virus/AIDS in China, 2005–2012

Proportional Distribution of Variables	Ratio Between	Z Value	P Value
Number of identified people living with HIV/AIDS	(≤49 y):(≥50 y)	−103.92	<.001
Hukou status among those aged ≥50 y	Resident:Migrant	−6.11	<.001
Hukou status among those aged ≤49 y	Resident:Migrant	−28.23	<.001
Disease type among those aged ≥50 y	HIV infection:AIDS patient	43.85	<.001
Disease type among those aged ≤49 y	HIV infection:AIDS patient	64.59	<.001
Gender among residents aged ≥50 y	Male:Female	9.35	<.001
Gender among residents aged ≤49 y	Male:Female	0.80	.42
Gender among migrants aged ≥50 y	Male:Female	9.34	<.001
Gender among migrants aged ≤49 y	Male:Female	9.27	<.001

Abbreviation: HIV, human immunodeficiency virus.