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Table 2 Quality Assessment of included studies (EPHPP)

From: Prevalence of suicidal ideation and suicide attempts among refugees: a meta-analysis

Author and year of publication

Selection bias

Rating

Study design

Rating

Data collection method

Rating

Rating total

Akinyemi et al. (2015) [15]

random selection

moderate

cross-sectional,

cluster sampling

strong

Mini-International Neuropsychiatric Interview (MINI)

(In the past month did you think that you would be better off dead or wish you were dead?; In the past have you thought about killing yourself?), last month

strong

moderate

Alley (1982)

random selection

moderate

statewide survey, cross-sectional

moderate

-

weak

moderate

Bhui et al. (2003) [30]

random selection

strong

cross-sectional

strong

Beck Depression Inventory (BDI)

(I don't have any thoughts of killing myself.(0),

I have thoughts of killing myself, but I would not carry them out. (1), I would like to kill myself. (2),

I would kill myself if I had the chance. (3)),

last two weeks

strong

strong

Cochran et al. (2013) [31]

random selection

moderate

cross-sectional

strong

Interview,

“[…] asked if they had ever expressed suicidal

ideation (i.e., ever thought seriously about committing suicide in their lifetimes)”,

lifetime and last month

moderate

moderate

Falb et al. (2013) [32]

random selection

strong

survey,

cross-sectional

strong

non-standardized interview following guidelines of the Reproductive Health Toolkit for Conflict-Affected Women,

last month

moderate

strong

Führer et al. (2016) [17]

random selection

moderate

survey,

cross-sectional

strong

Hopkins-Symptom-Checklist-25 (HSCL-25)

(Thoughts of ending your life: Not at all (0), A little (1), Quite a bit (2), Extremely (3)),

last week

strong

strong

Leiler et al. (2019) [16]

random selection

moderate

survey,

cross-sectional

strong

PHQ-9

(Thoughts that you would be better off dead, or of

hurting yourself: Not at all Several (0), several days (1), More than half the days (2), Nearly every day (3)),

last two weeks

strong

strong

Meyerhoff et al. (2020) [29]

random selection

moderate

cross-sectional

strong

Beck Scale for Suicidal ideation (BSS)

(assesses various aspects of suicidal ideation an attempt on a 3-point scale),

last week

strong

moderate

Nickerson et al. (2019) [20]

random selection

moderate

cross-sectional, snowball-sampling

strong

PHQ-9

(Thoughts that you would be better off dead, or of

hurting yourself: Not at all Several (0), several days (1), More than half the days (2), Nearly every day (3)),

last two weeks

strong

strong

Rahman et al. (2003) [33]

random selection in primary health care

moderate

survey,

cross-sectional

moderate

Self-Reporting Questionnaire (SRQ-20)

(Has the thought of ending your life been on your mind?: yes/no),

last month

moderate

moderate

Sohn et al. (2019) [25]

random selection

moderate

survey,

cross-sectional

moderate

the Korea National Health and Nutrition Examination Survey (KNHANES)

Interview,

last year

moderate

moderate