Distinct trajectories of suicidal behaviors throughout the university stage and associated risk and protective factors: A large-scale prospective study

Shi, Xuliang; Jiang, Lin; Chen, Xiaoyan; Ya, Zhu

doi:10.1016/j.jad.2022.09.107

Cited by 4 publications

(1 citation statement)

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“…Thus, self-injury may have multiple directions of development during adolescence. 25 Other studies have divided NSSI behaviour into two distinct trajectories of suicidal behaviours: low-decreasing and high-increasing NSSI groups 26 High-increasing groups showed higher NSSI behavior, feelings of helplessness, and depressive symptoms compared to low-decreasing groups. Reasons for living served as protective factors in high-increasing group.…”

Section: Introductionmentioning

confidence: 99%

Heterogeneity in Adolescents’ Non-Suicidal Self-Injury Behaviour Trajectories Based on the Group-Based Trajectory Model and a Decision Tree Analysis of Family-Related Determinants

Li,

Yang

2023

PRBM

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Background Non-suicidal self-injury (NSSI) is a global public health problem. While some studies have noted the importance of behavioural development patterns in NSSI, most NSSI research is based on cross-sectional survey data. Few studies explore the time-series heterogeneity of trajectories of NSSI symptoms and family-related influencing factors of NSSI. Aim The purpose of the study was to identify the heterogeneity in trajectories of adolescents’ NSSI behaviour and their family-related influencing factors. Methods The group-based trajectory model (GBTM) was used to identify the heterogeneity in the NSSI behaviour trajectories of 208 adolescents in China. Next, the decision tree model (DTM) was used to analyse which family related factors influence the trajectory type. Results The GBTM revealed two heterogeneous trajectories of NSSI behaviour: the high–risk and low-risk NSSI behaviour groups. Next, DTM’s average accuracy was 83.2%. A total of seven independent variables were used for the DTM: gender, number of NSSIs in the past month, and family economic, family structure, family conflict, parental psychological control, parental behavior control and family intimacy risks. Family conflict risk was located at the root node and was the most important factor. Conclusion Heterogeneity within the population should be considered in the management of adolescents’ NSSI behaviours. Further, from the perspective of family system theory and cumulative risk, focusing on the adverse effect of multiple risk factors on adolescents’ NSSI addiction is more meaningful rather than the impact of single risk factors. Studies that use time series data should focus on the trend of dynamic changes in NSSI addiction characteristics over time.

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Section: Introductionmentioning

confidence: 99%