Application of Data Mining Technology on Surveillance Report Data of HIV/AIDS High-Risk Group in Urumqi from 2009 to 2015

Table 8

Selection attributes used in models of IDU dataset.

Rank	Variables	MeanDecreaseGini
1	B02: age	292.3608
2	A01: monitoring sites	166.8695
3	T05C: hepatitis test results	142.0867
4	B06: educational level	125.3663
5	B05: nation	112.2430
6	B03: marital status	92.2254
7	A06: sample source	63.6016
8	D02: have you ever injected drugs	58.3517
9	H01: has HIV been tested in the last year	55.1894
10	G02: have you ever received a community medication to maintain or providing or exchanging cleaning needles to prevent HIV/AIDS	45.0500
11	G03: have you ever received a companion education to prevent HIV/AIDS	44.9624
12	E01: have you ever had sex last month	43.5729
13	G01: have you ever received a condom promotion or HIV/AIDS counselling and testing to prevent HIV/AIDS	42.9014
14	B01: gender	33.0323