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Table 3 Risk of bias (RoB2) assessments for studies included in the systematic review of the effectiveness of psychological support interventions for those exposed to mass outbreaks

From: The effectiveness of psychological support interventions for those exposed to mass infectious disease outbreaks: a systematic review

Study Domain 1. RoB from randomization process Domain 2: RoB due to deviations from intended interventions (effect of assignment to intervention) Domain 2: RoB due to deviations from intended interventions (effect of adhering to intervention) Domain 3: Missing outcome data Domain 4: RoB in measurement of outcomes Domain 5: RoB in selection of reported result Overall risk of bias judgement
Al Alawi, 2021 [35] + ? + + ? + ?
Carbone, 2021 [36] + + + + ? ? ?
Dincer, 2021 [37] ? ? + + + + ?
Fiol-DeRoque, 2021 [38] + ? ? + + + ?
Gharaati Sotoudeh, 2020 [39] ? ? ? + _
Kong, 2020 [40] + ? + + + ?
Li, 2020 [41] + ? ? + + + ?
Liu, 2020 [42] + ? + + ? ?
Liu Y, 2021(a) [43] ? ? + + ? ?
Liu Z, 2021(b) [44] ? ? + + ? ?
Malboeuf-Hurtubise, 2021 [45] _ ? ? ? ? ?
Ng, 2006 [46] + ? ? ?
Ozlu, 2021 [47] + ? + + ? ?
Parizad, 2021 [48] + ? + + ? ?
Perri, 2021 [49] ? ? + ? ? ?
Procaccia, 2021 [50] ? ? + ? ? ?
Shabahang, 2020 [51] + + + + ? ? ?
Thombs, 2021 [52] + + ? ? ? +
Vanden, 2021 [53] + + + + ? + ?
Vukcevic, 2020 [54] + + + + + + +
Wahlund, 2021 [55] + + + + + + +
Zheng, 2021 [56] ? ? ? + + +
  1. Key:
  2. + Low risk of bias
  3. - High risk of bias
  4. ? Some concerns