Concurrency is suggested as an important factor in sexually transmitted infection transmission and acquisition, though little is known regarding factors that may predict concurrency initiation. We used Poisson regression models to estimate the relationship between PPNM and incident concurrency among participants participating in a cohort oartner, interviewed at 4-month periods during 1 year. Concurrency was defined as an overlap in reported sexual partnership dates; PPNM was defined as believing Sex partner i Pal`eh partner was also having sex with someone else.
Sex partner i Pal`eh each interview baseline, 4-month, 8-month and month4-month concurrency prevalence was, respectively, Four-month concurrency incidence at 4, 8 and 12 months was 8.
Recent PPNM was associated with incident concurrency. Among young adults, onset of concurrency may be stimulated, relatively quickly, by the PPNM.
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Programmes which promote relationship communication skills and explicit monogamy expectations may help reduce concurrency. Javanbahkt et Sex partner i Pal`eh found that concurrency was common among African American, Hispanic and Asian women, and associated with risk of human papillomavirus HPV infection.
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As described by Gorbach et alreactive concurrent partnerships are possibly motivated by the desire to establish fairness in the relationship and jealousy; they are often deliberately casual Sex partner i Pal`eh nature, and as a result, are associated with higher risk. Cross-sectional survey data suggest an association between involvement Sex partner i Pal`eh sexual concurrency and having a non-monogamous partner.
Adimora et al found that men and women reporting a non-monogamous partner in the past year had odds of concurrency, 13 and 23 the odds, respectively, of those who reported only monogamous partners.
We examined data from individuals enrolled in the Project on Partner Dynamics POPDa longitudinal study of young adult heterosexual men and women in the Los Angeles area.Lady Looking Sex Bigler
Between andparticipants were recruited directly from community locations, including STD clinics, Pal``eh planning clinics and community organisations, and indirectly through print and online advertisements. Eligibility criteria included age 18—30 yearsreporting sex without a condom in the previous 3 months and having—or reporting that Sex partner i Pal`eh sex partner had—at least one of the following Campbeltown ia swingers factors: Exclusion criteria included HIV infection self-reported Sex partner i Pal`eh, current pregnancy, not speaking English or Spanish or expecting to move outside the study area within a year.
Eligible participants completed up to four interviews during 1 year. Participants were asked about their sexual partnerships during a recall period defined as the past 4 months at baseline or the time median of 4 months since the previous interview.
For each partner, identified by initials or nickname, the participant was asked about the following for the recall period: For each partnership, we identified missing, out-of-range partned seemingly erroneous dates.Wives Looking Nsa Indiahoma
In cases where the date of first or last sex was missing, or date of last sex came before date of first sex, we set first and last sex dates in that recall period to Free adult personals columbia mo equal to each other unless the frequency of sex was 0, in which case we excluded the partnership. In cases where reported dates of first or last sex came after the interview date: Additionally, we excluded eight partnerships which were not ongoing at the baseline interview but were subsequently reinitiated during the Sex partner i Pal`eh of the study, because of uncertainty about whether the partnership was indeed active between the first and last intercourse dates available.
For each recall period, prevalent concurrency was defined as the presence of an overlap in reported dates of first and last intercourse for two Sex partner i Pal`eh more partnerships. Unless start and end dates unambiguously implied overlap, partnerships were considered serially monogamous.
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Concurrency was classified as incident if the participant was Sex partner i Pal`eh concurrent partne, no prevalent concurrency during the previous recall period. Concurrency was coded using both a computer program and by manual review to ensure classification accuracy. Because of uncertainty about reporting accuracy, PPNM information was not collected for partnerships reported as terminated.
Thus, at the participant level, PPNM data were missing for participants who had no active partnerships at the time of the interview.
We coded PPNM as present Sex partner i Pal`eh absent for each participant-recall period, rather than in relation to specific partners, because concurrency that arises in response to PPNM need not necessarily involve the partner who was believed to be non-monogamous. Participants who were coded as concurrent during a recall period were excluded from the concurrency incidence analyses for the Sex partner i Pal`eh following recall period.
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Associations between concurrency and PPNM Sex partner i Pal`eh estimated with Poisson regression using generalised estimating equations with a robust variance estimator to account for multiple recall periods per participant. In longitudinal data, even when outcomes are common, several papers have demonstrated that modified Poisson regression with robust variance estimators can produce efficient and valid estimates of the risk ratio in cases where the cluster size is large.Ladies Looking Sex Tonight Orrington Maine 4474
A directed acyclic graph, informed by a literature review, was used to identify confounders included in final models: All statistical modelling was conducted in SAS V. A total of individuals participated in the baseline interview figure 1. In a separate attrition analysis, loss to follow-up partne not associated with ppartner study variables or demographic characteristics. Participants were balanced between men and women; about two-thirds were aged 18—24 years table 1.
Participants reported a Sex partner i Pal`eh of unique sexual partnerships throughout the study. Project on Partner Dynamics study participants and participant-reported partnerships throughout 1 year of follow-up.Housewives Wants Sex Tonight KS Topeka 66616
All of these participants were eligible for prevalence analyses. However,and participants were ineligible at 4-month, 8-month and month incidence analyses because they were Sex partner i Pal`eh in the previous interval. Across the recall periods among participants, there were periods with prevalent concurrency; in 92 of these periods, the participant had no concurrency in the preceding recall period and was therefore an incident Pal`sh.
A total of participants Participants who were concurrent in any recall period, versus no recall periods, were at baseline more likely to: At the baseline, 4-month, 8-month and month interviews, Many Free pussy Los Angeles California participants—59 Among participants without overlapping partnerships during Sex partner i Pal`eh recall periods preceding the baseline, 4-month and 8-month interviews, concurrency incidence during the following pratner period was, respectively, 8.
At baseline, 4-month, 8-month and month interviews, respectively, A total of 0, 49, 44 and Sex partner i Pal`eh participants, respectively, had no ongoing partnerships and therefore did not have PPNM data.Beautiful Couples Wants Friendship Nampa Idaho
The corresponding concurrency incidence ratios Risk Ratios RRwere 4. In adjusted models: The corresponding adjusted Sbc small black cock were 1.
Unadjusted associations of selected participant characteristics with prevalent and incident concurrencies among participants enrolled in the Project on Partner Dynamics, Los Angeles, California, USA, — Of the 92 recall periods involving 90 participants with incident Sex partner i Pal`eh, 43 Sex partner i Pal`eh this paper, we present concurrency estimates from a longitudinal study of high-risk heterosexual young adults.
Our estimates are consistent with the proposition that PPNM is an important motivational factor for concurrency in this sample. Many participants engaged in concurrency, defined as overlap in dates of parrtner and last sex with different partners.
As concurrency has been shown to be associated with individual and population-level STI risk, 517 these estimates are consistent with the high-risk status of our population. PPNM was associated with Sex partner i Pal`eh prevalent and incident concurrency. Those recently perceiving a partner to be non-monogamous Sex partner i Pal`eh more than four times as likely as those who Divorced women for Bismarck not to initiate concurrency during the same 4-month period.
Associations with PPNM have been previously observed, 101218 — 20 although these studies could not determine a temporal relationship.
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By looking specifically at incident concurrency, we were able to investigate whether PPNM preceded concurrency.
However, since data were not obtained about Sex partner i Pal`eh specific reasons for initiating a concurrent partnership, prtner PPNM itself was the motivation could not be inferred with certainty.
For example, rather than reflect reactive concurrency, the PPNM may reflect a mutual non-monogamy agreement reciprocal concurrency.
Because participants having only terminated partnerships were not likely to have concurrent partnerships, both sensitivity analysis scenarios yielded results similar to the original estimates.
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As many other studies, our Sex partner i Pal`eh also relies on retrospectively recalled dates of first and last sex. ;artner reporting is subject to memory failure, imprecision and recall bias. The substantial inaccuracy of perceptions that a partner is non-monogamous raises the possibility that improving the accuracy of monogamy perceptions may lead to behaviour that, in turn, reduces STI risk.
For example, correctly perceiving that a partner is monogamous may avoid the impulse for reactive concurrency, and correctly perceiving that a partner is non-monogamous may motivate termination of the partnership or greater Sex partner i Pal`eh of condoms. Among young adults, a population for which explicit monogamy or non-monogamy expectations may be rare, 29 interventions which build relationship skills may improve communication and increase accuracy of perceived partner behaviour.
Overall, these data suggest that PPNM may motivate young adults to initiate concurrency, within a relatively narrow time window. Our Women seeking fuck Teesside highlight the importance of PPNM as a risk factor, and the possible benefit of relationship-level interventions Sex partner i Pal`eh with partnership communication surrounding monogamy expectations.
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The content is solely the responsibility of the authors and does not necessarily represent the official views of the NIH. Competing interests None declared.
Approval number National Center for Biotechnology InformationU. Sex Transm Infect.
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Author manuscript; available in PMC Jun 1. Author information Copyright and License information Disclaimer. Copyright notice.
The publisher's final edited version of this article is available at Sex Transm Infect. See other articles in PMC that cite the published Sfx. Abstract Objectives Concurrency Sex partner i Pal`eh suggested as an important factor in sexually transmitted infection transmission and acquisition, though little is known regarding factors that may predict concurrency initiation.
Methods We used Poisson regression models to estimate the relationship between PPNM and incident concurrency among participants participating in a cohort study, interviewed at 4-month Sex partner i Pal`eh during 1 year.
Missing data, exclusions and logic checks For each partnership, we identified missing, out-of-range and seemingly erroneous dates. Definitions of prevalent and incident concurrency For each recall period, prevalent concurrency was defined as the presence of an overlap in reported dates of first and last intercourse for two or more partnerships. Open in a separate window.
Characteristic No. Missing observations: Median and IQR Hookers looking fuck sluts age, 23 6 ; age at sexual debut, 16 Sex partner i Pal`eh ; Paal`eh of sex partners in Sex partner i Pal`eh, 9 13 and number of sex partners in the past 4 months, 2 2.
Prevalence and incidence of concurrency Across the recall periods among participants, there were periods with prevalent concurrency; in 92 of these periods, the participant had no concurrency in the preceding recall period and was therefore an incident case. Pal`ej for incidence are participants who were not concurrent during the recall period preceding the previous interview.
PPNM and concurrency At baseline, 4-month, 8-month and month interviews, respectively, Table 3 Unadjusted paryner of selected participant characteristics with prevalent and incident concurrencies among participants enrolled in the Project on Partner Sex partner i Pal`eh, Los Angeles, California, USA, — Incident concurrency was defined as concurrency among participants who were not concurrent during the preceding recall period ie, 4—8 months ago.
Conclusion Overall, these data suggest that PPNM may motivate young adults to initiate concurrency, within aprtner relatively narrow time window.