Table 2 The proportion of recent HIV infections among the different sub-groups of newly diagnosed cases

Heterosexual contact

Men

<25 years

208

26

12.5%

-

1.000

25-49 years

2155

144

6.7%

0.002^a

0.501 (0.321~0.782)

≥50 years

993

71

7.2%

0.011^a

0.539 (0.335~0.868)

Women

<25 years

290

49

16.9%

0.178

1.423 (0.852~2.377)

25-49 years

1226

133

10.8%

0.483

0.852 (0.544~1.334)

≥50 years

425

36

8.5%

0.111

0.648 (0.380~1.105)

Homosexual contact

Men

<25 years

124

32

25.8%

0.002^a

2.435 (1.370~4.327)

25-49 years

143

18

12.6%

0.981

1.008 (0.530~1.917)

≥50 years

7

4

57.1%

0.005^a

9.333 (1.976~44.076)

Intravenous drug use

Men

<25 years

68

8

11.8%

0.873

0.933 (0.401~2.172)

25-49 years

373

37

9.9%

0.339

0.771 (0.452~1.314)

≥50 years

26

3

11.5%

0.888

0.913 (0.256~3.256)

Women

<25 years

7

2

28.6%

0.233

2.800 (0.516~15.183)

≥25 years

51

5

9.8%

0.596

0.761 (0.277~2.090)

Others

-

-

23

2

8.7%

0.598

0.667 (0.148~3.010)