Trajectories of Childbearing among HIV Infected Indian Women: A Sequence Analysis Approach

Love, sex, and commitment: relationship choices and trajectories among unmarried youth in India

There is limited research in India to understand young people's decision-making processes about intimate relationships before marriage. This paper, adopting a life course perspective, explains relationship choices and diachronic trajectories of relationships from adolescence to young adulthood. Retrospective data were collected from 1240 never married 20-29-year-old men and women living in Pune using a relationships history calendar. All the relationships from 10 years of age onwards were plotted on the calendar, and information on predictor variables was collected through structured questionnaires. Data were analysed using descriptive statistics. Sequence analysis approach was used to identify different typologies. Overall, 76% of the participants reported having at least one relationship. More women compared to men (84% vs 70%) ever had a relationship. The median age of starting the first relationship was 17 years for women and 18 for men. Different relationship types were reported, such as "serious", casual, "friends with benefit", and "exploring". The level of emotional involvement, commitment, and physical intimacy significantly differed in different relationship types with significant gender differences. Four typologies of relationships were observed, labelled as (1) Commitment-No sex (N = 187); (2) Commitment-Sex-Some exploration (N = 189); (3) No commitment-Exploration (N = 281), and (4) No relationship (N = 583). Compared to men, women were more likely to follow the trajectory of "Commitment-No sex" (RR 2.13, CI 1.5-3.03). Family environment was significantly related to young people's relationship choices. The findings strongly suggest the need to adopt a developmental perspective towards intimate relationships to understand and address the vulnerabilities of young people across the life course.

Categorical state sequence analysis and regression tree to identify determinants of care trajectory in chronic disease: Example of end-stage renal disease

BACKGROUND

Patients with chronic diseases, like patients with end-stage renal disease (ESRD), have long history of care driven by multiple determinants (medical, social, economic, etc.). Although in most epidemiological studies, analyses of health care determinants are computed on single health care events using classical multivariate statistical regression methods. Only few studies have integrated the concept of treatment trajectories as a whole and studied their determinants.

METHODS

All 18- to 80-year-old incident ESRD patients who started dialysis in Ile-de-France or Bretagne between 2006 and 2009 and could be followed for a period of 48 months after initiation of a renal replacement therapy were included (n = 5568). Their care trajectories were defined as categorical state sequences. Associations between patients' characteristics and care trajectories were assessed using a regression tree model together with a discrepancy analysis.

RESULTS

On average, each patient experienced 1.56 different renal replacement therapies (min = 1; max = 5) during the 48 months of follow-up. About 55% of patients never changed treatment and only 1% tried three or more renal replacement therapy modalities. Twelve homogeneous care trajectory groups were identified. Covariates explained 12% of the discrepancy between groups, particularly age, regions and initiation of hemodialysis with a catheter.

CONCLUSIONS

Regression tree analysis of categorical state sequence highlighted geographical disparities in the care trajectory of French patients with ESRD that cannot be observed when focusing on a single outcome, such as survival. This method is an original tool to visualize and characterize care trajectories, notably in the context of chronic condition like ESRD.

[Trajectories of women living with HIV/AIDS in Brazil. Progress and permanence of the response to the epidemic]

This article analyzes the trajectories of 85 women living with HIV/AIDS in six Brazilian cities: Belém, São Paulo, Ribeirão Preto, Goiânia, Recife and Pelotas, to understand some specific aspects of their experiences before and after diagnosis. It is based on in-depth interviews conducted in 2009 addressing women diagnosed with HIV between 1 and 20 years previously. The results show a profile characterized by limited access to school, health services and labor and a marked presence of violence. The reasons for applying HIV tests vary over time and there is an increase in prenatal testing, although no modifications in the context of the infection are apparent. For some women, the diagnosis determines changes in lifestyle. However, for the majority, social and labor experiences and the decisions about love, sexuality and reproduction seem to respond to their immediate demands and opportunities. The management of the diagnosis and the support received influence living with HIV/AIDS. These results show the need for actions for prevention and testing not restricted to pregnant women, even in the context of a concentrated epidemic. Studies adopting a biographical perspective can contribute to prevent or improve living with HIV/AIDS appropriate to the different moments of the womens' trajectories.

Transition to Parenthood and HIV Infection in Rural Zimbabwe

BACKGROUND

The relationship between the risk of acquiring human immunodeficiency virus (HIV) infection and people's choices about life course events describing the transition to parenthood-sexual debut, union (in the form of marriage, cohabitation, or long-term relationship), and parenthood-is still unclear. A crucial role in shaping this relationship may be played by the sequence of these events and by their timing. This suggests the opportunity to focus on the life courses in their entirety rather than on the specific events, thus adopting a holistic approach that regards each individual's life course trajectory as a whole.

METHODS

We summarise the individual life courses describing the transition to parenthood using ordered sequences of the three considered events. We aim to (i) investigate the association between the sequences and HIV infection, and (ii) understand how these sequences interact with known mechanisms for HIV transmission, such as the length of sexual exposure and the experience of non-regular sexual partnerships. For this purpose, we use data from a general population cohort study run in Manicaland (Zimbabwe), a Sub-Saharan African area characterised by high HIV prevalence.

RESULTS

For both genders, individuals who experienced either premarital or delayed childbearing have higher HIV risk compared to individuals following more standard transitions. This can be explained by the interplay of the sequences with known HIV proximate determinants, e.g., a longer exposure to sexual activity and higher rates of premarital sex. Moreover, we found that people in the younger birth cohorts experience more normative and safer sequences.

CONCLUSIONS

The shift of younger generations towards more normative transitions to parenthood is a sign of behaviour change that might have contributed to the observed reduction in HIV prevalence in the area. On the other hand, for people with less normative transitions, targeted strategies are essential for HIV prevention.