Relationship between adjustment disorder symptoms and probable diagnosis before and after second lockdown in Israel: longitudinal symptom network analysis

[摘要] Background There is cumulative evidence of the importance of exploring thechange of dynamics between symptoms over time as reflectiveof consolidation of psychopathology.AimsTo explore the interactions between symptoms of ICD-11adjustment disorder before and after the second lockdown ofthe COVID-19 pandemic in Israel and identify the most centralsymptoms and their concurrent and prospective associationswith probable adjustment disorder.MethodThis is a population-based study drawn from a probability-basedinternet panel. A representative sample of the adult Israelipopulation was assessed at two time points (T1, pre-secondlockdown, n = 1029, response rate 76.17%; T2, post-secondlockdown, n = 764, response rate 74.24%). Symptoms of adjustment disorder were assessed by the International AdjustmentDisorder Questionnaire (IADQ).ResultsAlthough the overall strength of associations at the two measurement points was similar and two same communities werefound, there was a significant change in their structure, with amore consolidated network at T2. The most central item was‘difficult to relax’ in both networks. Cross-sectionally, allsymptoms of failure to adapt significantly predicted adjustmentdisorder. ‘Worry a lot more’ (preoccupation) and ‘difficult toadapt to life’ (failure to adapt) at T1 significantly predicted thisdiagnosis at T2.ConclusionsAdjustment disorder symptoms consolidated during thesecond lockdown of the pandemic. In line with the ICD-11conceptualisation of adjustment disorder, both preoccupationand failure-to-adapt symptoms have prognostic validity.This highlights the importance of identifying and targetingadjustment disorder symptoms during a period of stress such asthe COVID-19 pandemic.

[学科分类] 计算机科学（综合）

[关键词] COVID-19;adjustment disorder;longitudinal data;International Adjustment Disorder Questionnaire;statistical methodology