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

Table 7

Selection attributes used in models of FSW dataset.

Rank	Variables	MeanDecreaseGini
1	B01B: age	12.6253
2	T05C: hepatitis test results	6.7033
3	A06: sample source	6.6001
4	B05: educational level	6.3421
5	B06: how long were you working here this time	6.1513
6	B04: nation	5.2128
7	B02: marital status	4.6192
8	A01B: monitoring sites	4.4660
9	D02: how often did you use condoms when you have sex with a guest last month	2.9029
10	H01: has HIV been tested in the last year	2.8776
11	T04C: syphilis test results	2.8470
12	G03: have you ever received a companion education to prevent HIV/AIDS?	1.6805
13	B03: the location of household register	1.4158
14	G01: have you ever received a condom promotion or HIV/AIDS counselling and testing to prevent HIV/AIDS	1.2143