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Table 4 Risk of bias assessment across different domains using the NIH tool [63]

From: Mental health interventions affecting university faculty: a systematic review and meta-analysis

Study

Q1

Q2

Q3

Q4

Q5

Q6

Q7

Q8

Q9

Q10

Q11

Q12

Total Score

Quality Rating

Brewer et al., 2019 [52]

Y

Y

Y

Y

NR

Y

Y

N

NR

N

N

Y

7/12 (58.33%)

Fair

Garcia et al., 2023 [53]

Y

Y

Y

Y

N

Y

Y

NR

Y

N

Y

Y

9/12 (75.00%)

Good

Ikiugu et al., 2022 [55]

Y

Y

Y

Y

Y

Y

Y

N

Y

N

N

Y

9/12 (75.00%)

Good

Ogbuanya et al., 2017 [57]

Y

Y

Y

Y

NR

Y

Y

N

NR

N

N

Y

7/12 (58.33%)

Fair

Stefansdottir et al. and Sutherland, 2005 [60]

Y

Y

Y

Y

NR

Y

Y

N

NR

N

N

Y

7/12 (58.33%)

Fair

Ugwoke et al., 2017 [61]

Y

Y

Y

Y

N

Y

Y

NR

Y

N

Y

Y

9/12 (75.00%)

Good

  1. Q1: Was the study question or objective clearly stated?, Q2: Were eligibility/selection criteria for the study population prespecified and clearly described?, Q3: Were the participants in the study representative of those who would be eligible for the test/service/intervention in the general or clinical population of interest?, Q4: Were all eligible participants that met the prespecified entry criteria enrolled?, Q5: Was the sample size sufficiently large to provide confidence in the findings?, Q6: Was the test/service/intervention clearly described and delivered consistently across the study population?, Q7: Were the outcome measures prespecified, clearly defined, valid, reliable, and assessed consistently across all study participants?, Q8: Were the people assessing the outcomes blinded to the participants’ exposures/interventions?, Q9: Was the loss to follow-up after baseline 20% or less? Were those lost to follow-up accounted for in the analysis?, Q10: Did the statistical methods examine changes in outcome measures from before to after the intervention? Were statistical tests done that provided p values for the pre-to-post changes?, Q11: Were outcome measures of interest taken multiple times before the intervention and multiple times after the intervention (i.e., did they use an interrupted time-series design)?, Q12: If the intervention was conducted at a group level (e.g., a whole hospital, a community, etc.) did the statistical analysis take into account the use of individual-level data to determine effects at the group level?; Total Score: Number of yes; NR: not reported; N: no; Y: yes. Quality Rating: Poor < 50%, Fair 50–75%, Good ≥ 75%