Characteristics of egocentric sexual networks in the past 12 months of the survey by HIV status of study index participants, in Taizhou prefecture of Eastern China, 2013.

<p><b>Note:</b></p><p>*: a(I) to a(VI), b(I) to (VI) denote the different type of egocentric sexual networks of the MSM participants, details are provided in the <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0129300#pone.0129300.g001" target="_blank">Fig 1</a>;</p><p>^{a, b}: Network degree or the number of sexual partners involved in the sexual network has no significantly difference by the HIV status of the index participants (Z = -0.015, <i>P</i> = 0.998)</p><p>^c Number of male sex partners involved in the sexual network has no significantly difference by the HIV status of the index participants (Z = -0.142, <i>P</i> = 0.887)</p><p>^d Number of female sex partners involved in the sexual network has no significantly difference by the HIV status of the index participants (Z = -0.045, <i>P</i> = 0.964).</p><p>Characteristics of egocentric sexual networks in the past 12 months of the survey by HIV status of study index participants, in Taizhou prefecture of Eastern China, 2013.</p

A schematic flow chart of the study sample.

<p>A schematic flow chart of the study sample.</p

Sexual relationship and condom use of HIV individuals with their most familiar sexual contacts in the 12 months period prior to HIV diagnosis (T1), the baseline survey (T2) and the one-year follow-up survey (T3), respectively, in Taizhou prefecture, 2009–2010.

<p><b>Note:</b> n refers to the total number of sexual contacts reported;</p>†<p>Chi-square test or Fisher’s exact test compare the proportion of types of sexual contacts or condom use of HIV individuals between T2 and T1;</p>‡<p>Chi-square test or Fisher’s exact test compare the proportion of types of sexual contacts or condom use of HIV individuals between T3 and T2.</p

Diagrams and distribution of egocentric sexual networks of HIV-positive (n = 70) vs. HIV-negative (n = 550) participants in the past 12 months.

<p>(n: number of sexual networks; MD: the median network degree(Median, IQR).</p

Sexual contacts of HIV individuals in the 12 months period prior to HIV diagnosis (T1), the baseline survey (T2) and the one-year follow-up survey (T3), respectively, in Taizhou prefecture, 2009–2010.

<p><b>Note:</b> *Wilcoxon signed-rank test compare the difference in number of sexual contacts of HIV individuals between different time points;</p>†<p>Mann-Whitney test for variables with two categories were applied to determine whether the number of sexual contacts during T1 or the changes in the number of sexual contacts of HIV-infected individuals during different time periods were significantly associated with their sociodemographic, HIV transmission route and ART status;</p>‡<p>Kruskal-Wallis test for variables with three or more categories were applied to determine whether were significantly associated with their sociodemographic, HIV transmission route and ART status.</p

Prevalence and correlates of subsequent sex after drinking under HIV infection status among ever drinkers (n = 283).

a<p>OR: Odds Ratio, CI: Confidence Interval, obtained from binary logistic regression analysis.</p

Alcohol use among study participants.

a<p>Fisher's exact test.</p

Prevalence and correlates of higher level of alcohol use in the preceding month among ever drinkers (n = 296).

a<p>OR: Odds Ratio, CI: Confidence Interval;</p>b<p>Obtained from multivariate ordinal logistic regression analysis adjusting for potential confounding variables listed in the table;</p>*<p>Proportions were calculated in the row.</p

Characteristics of study participants.

a<p>: one participants refused to provide any sexual information.</p

Multivariate logistic regression analysis for correlates of heroin and MAMP use among MMT patients.

<p>*<i>P</i><0.05</p><p>**<i>P</i><0.01</p><p>***<i>P</i><0.001.</p><p>Multivariate logistic regression analysis for correlates of heroin and MAMP use among MMT patients.</p