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Table 1 The descriptive characteristics of included studies

From: A systematic and meta-analysis of heterosexual behaviors and HIV prevalence among Chinese men who have sex with men

First author and Publication year

Study year

Study locations

Setting

Sampling method

Survey method

Recall windows(months)

Sample size

AHRQ score

Zhu, 2019-1[9]

2015

Guangdong

VCT

Not reported

Face-to-face

6

520

5

Zhu, 2019-2 [9]

2016

Guangdong

VCT

Not reported

Face-to-face

6

516

5

Zhu, 2019-3 [9]

2014

Guangdong

VCT

Not reported

Face-to-face

6

163

5

Zhu, 2019-4 [9]

2015

Guangdong

VCT

Not reported

Face-to-face

6

357

5

Zhu, 2019-5 [9]

2016

Guangdong

VCT

Not reported

Face-to-face

6

344

5

Yu, 2019-1 [10]

2017

Sichuan

Multiple recruitment methods

Not reported

Face-to-face

6

410

5

Yu, 2019−2 [10]

2017

Sichuan

Multiple recruitment methods

Snowball sampling

Face-to-face

6

460

5

Wu, 2019 [11]

Not reported

Guangdong

VCT

Snowball sampling + RDS

Face-to-face

6

434

8

Pan, 2019-1 [12]

2015

Guizhou

Multiple recruitment methods

Not reported

Face-to-face

6

248

5

Pan, 2019-2 [12]

2016

Guizhou

Multiple recruitment methods

Not reported

Face-to-face

6

250

5

Pan, 2019-3 [12]

2017

Guizhou

Multiple recruitment methods

Not reported

Face-to-face

6

252

5

Pan, 2019-4 [12]

2018

Guizhou

Multiple recruitment methods

Not reported

Face-to-face

6

253

5

Duan, 2019 [13]

2016

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

1306

5

Ding, 2019 [14]

2014

Henan

MSM venues

Snowball sampling

Not reported

6

205

5

Zeng, 2019 [15]

2016

Guangxi

Social organization

Convenience sampling

Face-to-face

6

375

6

Wu, 2019 [16]

2016–2017

Hunan

Social organization

Not reported

Web based

6

556

5

Tang, 2018 [17]

2013

Zhejiang

Multiple recruitment methods

Convenience sampling

Face-to-face

3

238

5

Sun, 2018 [18]

2015–2016

Guangdong

Multiple recruitment methods

Snowball sampling

Self-administered

6

334

6

Hu, 2018 [19]

2017

Chongqing

MSM venues

Not reported

Face-to-face

12

300

6

Guo, 2018 [20]

2013–2015

Jiangsu

Multiple recruitment methods

Snowball sampling

Face-to-face

6

1895

6

Lin, 2017 [21]

2013–2015

Zhejiang

MSM venues

Convenience sampling

Face-to-face

6

1399

5

Guo, 2017 [22]

2013–2015

Jiangsu

Not reported

Snowball sampling

Face-to-face

6

2377

6

Wang, 2016 [23]

Not reported

Yunnan

NGO

Snowball sampling + RDS

Face-to-face

6

557

5

Qiu, 2016 [24]

2012–2015

Hubei

Not reported

Snowball sampling

Face-to-face

6

1559

5

Li 2016 [25]

2014–2016

Guangdong

MSM venues

TLS + Snowball sampling

Not reported

6

801

5

Lei, 2016 [26]

2014

Hunan

NGO

Snowball sampling RDS

Not reported

6

604

6

Gong, 2016 [27]

2011–2015

Shandong

MSM venues

Not reported

Face-to-face

6

1350

6

Du, 2016 [28]

Not reported

Jiangxi

Not reported

Not reported

Self-administered

6

117

5

Ding, 2016 [29]

2014–2015

Zhejiang

Working group

Snowball sampling + RDS

Face-to-face

3

351

5

Zhao, 2015 [30]

2012–2014

Liaoning

Not reported

Snowball sampling

Face-to-face

6

1208

5

Zhang, 2015 [31]

2009

Yunnan

Not reported

Snowball sampling

Face-to-face

6

453

6

Zhang, 2015 [32]

Not reported

Shanghai

Social organization

Snowball sampling

Face-to-face

6

673

5

Wang, 2015 [33]

2013

Liaoning

Not reported

RDS

Face-to-face

6

900

5

Wang, 2015 [34]

2013–2014

Shandong

Not reported

Not reported

Face-to-face

6

408

5

Tang, 2015 [35]

Not reported

Zhejiang

Multiple recruitment methods

RDS

Not reported

3

238

5

Sun, 2015 [36]

2014

Not reported

working group

non-probability sampling

Face-to-face

6

524

5

Ren, 2015 [37]

2008–2009

Shaanxi

Not reported

Snowball sampling

Not reported

6

1365

5

Peng, 2015 [38]

2013–2014

Guangdong

Not reported

Convenience sampling

Face-to-face

6

369

6

Long, 2015 [39]

2014

Guangdong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

421

5

Li, 2015 [40]

Not reported

Heilongjiang

Multiple recruitment methods

Snowball sampling

Face-to-face

6

400

5

Gong, 2015-1 [41]

2010

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

310

5

Gong, 2015-2 [41]

2011

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

350

5

Gong, 2015-3 [41]

2012

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

402

5

Gong, 2015-4 [41]

2013

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

364

5

Gong, 2015-5 [41]

2014

Shandong

Multiple recruitment methods

Snowball sampling

Face-to-face

6

329

5

Chen, 2018 [42]

2010–2017

Zhejiang

Not reported

Non-probability sampling

Not reported

6

334

5