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Table 3 Changes in syphilis prevalence with different demographic characteristics among men who have sex with men in Guangxi, 2008-2012

From: HIV and syphilis prevalence trends among men who have sex with men in Guangxi, China: yearly cross-sectional surveys, 2008–2012

 

2008

2009

2010

2011*

2012

  

Variable

% (n/N)

% (n/N)

% (n/N)

% (n/N)

% (n/N)

p

ptrend

Age

  ≤25

3.3(16/492)

5.2(27/517)

4.8(22/461)

5.1(19/376)

4.9(28/575)

0.60

0.33

  >25

6.6(43/654)

7.6(63/834)

9.7(77/796)

6.6(62/938)

11.2(81/726)

0.002

0.02

Current marital status

  Never married

5.2(42/813)

6.8(65/954)

6.9(61/879)

5.7(39/686)

6.7(68/1013)

0.48

0.44

  Other

5.1(17/333)

6.3(25/397)

10.1(38/377)

6.7(42/627)

14.2(41/288)

<0.001

0.001

Registered Guangxi resident

  Yes

4.9(47/957)

6.9(81/1181)

7.0(77/1095)

5.9(70/1183)

8.2(94/1142)

0.03

0.02

  No

6.3(12/189)

5.3(9/170)

13.7(22/161)

8.5(11/129)

9.4(15/159)

0.06

0.15

Education

  Junior high school or lower

4.0(11/278)

7.3(29/398)

8.0(27/339)

8.5(18/211)

10.0(26/260)

0.10

0.01

  Senior high school

4.7(20/422)

6.2(31/499)

8.9(43/485)

6.3(37/586)

9.2(45/489)

0.04

0.02

  College or higher

6.3(28/446)

6.6(30/454)

6.7(29/433)

5.0(26/517)

6.9(38/552)

0.75

0.94

Had sex with male in the past 6 months

  Yes

5.6(49/876)

6.7(74/1109)

8.4(76/906)

6.3(69/1094)

8.1(71/873)

0.09

0.10

  No

4.0(10/248)

6.0(14/234)

6.7(23/341)

5.5(12/220)

8.9(38/426)

0.14

0.02

Used condom in the last male-male sex

  Yes

6.5(33/504)

7.3(53/731)

9.1(60/660)

6.2(54/874)

8.4(56/667)

0.19

0.56

  No

4.4(16/364)

5.6(21/375)

7.0(16/227)

7.0(15/214)

7.0(14/201)

0.57

0.12

Used condom with male in the past 6 months

  Yes

5.9(43/734)

7.2(73/1011)

9.2(74/808)

6.2(65/1045)

8.2(67/820)

0.06

0.29

  No

4.4(6/136)

0(0/96)

2.5(2/81)

6.4(3/47)

8.5(4/47)

0.08

0.15

Had sex with female in the past 6 months

  Yes

2.4(6/250)

3.0(9/302)

6.8(18/263)

6.7(25/372)

11.6(22/190)

<0.001

<0.001

  No

6.0(53/885)

7.6(80/1046)

8.2(81/983)

5.9(56/942)

7.8(87/1110)

0.15

0.46

Received peer education in the past year

  Yes

7.4(38/516)

7.3(60/823)

8.0(67/836)

6.1(49/804)

8.1(56/694)

0.60

0.99

  No

3.3(21/629)

5.7(30/528)

7.6(32/419)

6.3(32/506)

8.7(53/607)

0.002

<0.001

Tested for HIV in the past year

  Yes

7.4(26/353)

7.5(54/716)

8.0(63/788)

6.7(55/826)

8.6(61/707)

0.68

0.67

  No

4.2(33/793)

5.7(36/635)

7.7(36/468)

5.4(26/485)

8.1(48/594)

0.02

0.006

  1. *The sample in 2011 is slightly different.
  2. Note: The p values in bold were statistically significant trends which were highlighted to make them convenient to be identified.