The current investigation addressed the potential for unique influences of perceived childhood maltreatment, adverse family‐life events, and parent‐child relational trauma on the lifetime occurrence and addictive features of non‐suicidal self‐injury (NSSI). Participants included 957 undergraduate students (747 females; M = 20.14 years, SD = 3.88) who completed online questionnaires regarding the key variables under study. Although self‐injuring youth reported more experiences with each family‐based risk factor, different patterns of association were found when lifetime engagement in NSSI or its addictive features were under study. Perceived parent‐child relational trauma was uniquely linked with NSSI behavior after accounting for perceived childhood maltreatment; adverse family‐life events had an additional unique association. In contrast, perceived paternal maltreatment was uniquely related with NSSI's addictive features. Findings underline the importance of studying inter‐related family‐based risk factors of NSSI simultaneously for a comprehensive understanding of familial correlates of NSSI behavior and its underlying features.

The increase in fathers' involvement in childrearing, particularly beyond infancy, warrants research exploring factors influencing the quality of child-father attachment relationships, and the impact of these relationships on children's social development. The current investigation explored various correlates of preschoolers' child-father attachment security to both parents, including contextual factors (i.e., socioeconomic status, child temperament, parenting stress), parental play sensitivity, and child social adaptation. Participants included 107 preschool-aged children (59 girls; M = 46.67 months, SD = 8.57) and their fathers and mothers. Results revealed that both mothers' and fathers' play sensitivity were associated with child attachment security after controlling for different contextual factors. Furthermore, the magnitude of the association between child conduct problems and child-father attachment insecurity was stronger than the corresponding association with child-mother attachment insecurity. Findings provide important information on caregiving factors associated with child-father attachment security in the preschool years and the importance of this bond to children's social adaptation.

Introduction The 10-item Social Provisions Scale (SPS-10) has been implemented to measure social support in a number of national surveys in Canada. The objective of this study was to reduce the SPS-10 to a brief, five-item scale (SPS-5), while maintaining adequate measurement properties. Methods Data from individuals aged 18 years and older who responded to the Social Provisions Scale module in the Canadian Community Health Survey 2012 Mental Health Focus cycle (CCHS 2012 MH) and the Canadian Community Health Survey 2017 Annual cycle (CCHS 2017) were analyzed. We used exploratory factor analysis and item-to-total correlations from the CCHS 2012 MH data to choose items. A correlation analysis between the SPS-5, SPS-10 and related positive mental health (PMH) constructs were used to assess the criterion-related validity of the SPS-5 compared to the SPS-10. A confirmatory factor analysis using data from the CCHS 2017 was conducted to confirm the factor structure of the SPS-5. Results The SPS-5 showed high internal consistency (Cronbach’s alpha of 0.88) and similar correlations as the SPS-10 with related PMH constructs. The SPS-5 and SPS-10 were also very highly correlated (r = 0.97). The confirmatory factor analysis demonstrated that a single factor model of the SPS-5 fit the data well. The SPS-5 and SPS-10 yield similar estimates of high social support, of 92.7 and 91.5%, respectively. Conclusion The new SPS-5 demonstrated adequate measurement properties, and functioned in a similar manner to the SPS-10, supporting a reduced version of the Scale. The SPS-5 is a feasible and valid alternative to the SPS-10 that could be used to reduce respondent burden on national health surveys.

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