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Table 1 Study and sample characteristics

From: Young children’s development after forced displacement: a systematic review

Reference

Study population

Housing

N

Age in years M(SD), range

ACE category

ACE exposure n(%)

Time in host country in months M(SD), range

Domains assessed

Measures

26

Internally displaced children and orphans in Ethiopia

refugee camp, orphanage

148

5.7(0.9), 4–7

a,b,d*

a: 148(100), b: 74(50), d: 148(100)

32.4

Peer relations, Intelligence, Language development

Behavioral Screening Questionnaires (BSQ; (Richman, Stevenson & Graham, 1975); The Leiter International Intelligence Scale (Leiter, 1969); The Raven Progressive Matrices (Raven, 1958); Short version of the Token test (McNeal & Prescott, 1978)

27

Refugee children from Middle East, Southeastern Europe, North Africa, and Sub-Saharan Africa in Germany

nr

207

T1: 5.78(0.85), 3–7

T2: 5.87(0.87)

T1m: 6.54(0.42)

Tc: 7.18(0.63)

a*

nr

T1: 26.4(21.1)

T2: 26.3(20.0)

T1m: 27.19(20.75)

Tc: 23.97(16.2)

Peer relations, Cognitive development, Language development

Peabody Picture Vocabulary Test (Dunn & Dunn, 2007); Subtest “Object Assembly” from the Wechsler Preschool and Primary Scale of Intelligence-III (Wechsler, 2002); Intelligence and Development Scales (Grob et al., 2009); Strength and Difficulties Questionnaire (SDQ; Goodman, 1997)

28

Refugee children from Eastern Mediterranean, Southeast Asia, Western Pacific, Africa in Sweden

detention

86

8.4, 4–15

d

48(55)

7.27

Peer relations, Prosocial behavior

Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

29

Refugee children in Germany

nr

study 1: 84

study 2: 50

study 3: 107

study 1: 3·86(1.18)

study 2: 3·92(1.22)

study 3: 5.79(0.85)

a*

nr

study 1: nr

study 2: 43.87(37.59)

study 3: 25.4(20.11)

Peer relations, Prosocial behavior

Child-Teacher Report form 1·5–5 (C-TRF; Achenbach & Rescorla, 2000); Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

30

Refugee children from Southeast Asia, Africa, Eastern Mediterranean in Sweden

settled

61

6.0, 05–15

d

nr

baseline: 13 follow-up: 31

Peer relations, Prosocial behavior

Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

31

Refugee children from Myanmar in Bangladesh

refugee camp

622

0-to 2 year old’s: 0.86(0.54),

2-to 16 year old’s: 6.81(3.53)

a,d*

nr

nr

Peer relations, Prosocial behavior, Cognitive development, Language development

Developmental Screening Questionnaire (DSQ: Khan et al., 2013); General development assessment (GDA); Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

32

Refugee children from South America in the U.S

settled

42

6.79(4.42), 2–16

a,c*

nr

1·17

Peer relations

Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

33

Internally displaced children in Bosnia

refugee camp, private homes

87

5.5, 5–6

a,b,d

nr

nr

Intelligence

War Trauma Questionnaire (Macksoud, 1992); Raven’s Colored Progressive Matrices (CPM; Raven, 1947); Birleson’s Depression Inventory (BDI; Birleson, 1981); Child Assessment

34

Refugee children in Sweden

settled

43

6·0, 0.5–15

d

nr

baseline: 13 follow-up: 31

Peer relations, Prosocial behavior

Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001)

35

Internally displaced children in Colombia

settled

279

4.2(1.0), 1.5–5

a

nr

12–60

Family functioning

The General Functioning (GF) Scale of the Family Assessment Device (FAD; Byles et al., 1988); KiddieSADS PTSD Traumatic Event Checklist (Kaufman et al., 1996)

36

Refugee children from Syria in Turkey

settled

40

5.57, 5–6

a*

18(90)

12–36

Peer relations, Prosocial behavior

The Ladd-Profile Child Behavior Scale (Ladd & Profilet, 1996); Peer Victimization Scale (Kochenderfer & Ladd, 2002)

37

Refugee children from Syria (S) and internally displaced children in Iraq (Y)

refugee camp

150

Y: 5.92(0.55),

S: 5.73(0.58)

a,d*

nr

nr

Executive functioning, Math abilities, Short term memory

Backward and Forward Word Span Task (Lanfranchi et al., 2004); Stroop Task (Gerstadt et al., 1994); Numerical Intelligence Battery (BIN; Molin et al., 2007)

38

Refugee Children from Syria in Turkey

settled

373

5.11(0.48), 5–6

a*

nr

nr

Peer relations, Language development, math abilities,

Preliteracy and Prenumeracy Skills Scale (Adato & Bekman, 1989); Turkish Early Language Development Test (TEDIL-3; Güven & Topbas, 2014); Emotion Regulation Checklist (Shields & Cicchetti, 1997); Social Competence and Behavioral Assessment Scale (SCBAS; LaFreniere & Dumas, 1996)

39

Syrian refugee children in Turkey

settled

120

1.5–6

a

43.3%

90% longer than 1 year

Peer relations, Language Development

Denver II Developmental Screening Test (DDST-II; Frankenburg et al., 1989)

40

Refugee children from Syria in Turkey

settled

70

5.56(1.09), 0–6

a

0(0)

36

Family functioning, Cognitive development, Language development

The Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood: Revised Edition (DC:0–5:Zeanah et al., 2016)

41

Refugee children from Syria and Iraq in Germany

nr

42

283(1.54), 0.42–5.58

a

24(60)

21.53(11.57), 1–40

Family functioning

Parenting Interactions with Children Checklist of Observations Linked to Outcomes (PICCOLO; Roggman et al., 2013)

42

Internally displaced children in Israel

returned to homes

107

3.9

a

107(100)

30

Family Function

Child Behaviour Checklist 1·5–5 years (CBCL 1·5–5; Achenbach & Edelbrock, 1983); Preschool Children's Assessment of Stress Scale (PCASS; Laor et al., 1996); Change of Functioning Scale (CFS; Laor et al., 1996); Vineland Adaptive Behavior Scales (Sparrow et al., 1984)

43

Internally displaced children in Israel

hotels

230

4.0, 3–5

a

230(100)

6

Peer relations, Family function

Child Behaviour Checklist 1·5–5 years (CBCL 1·5–5; Achenbach & Edelbrock, 1983); Preschool Children's Assessment of Stress Scale (PCASS; Laor et al., 1996); Change of Functioning Scale (CFS; Laor et al., 1996); Childhood Personality Scales (Cohen et al., 1977); Family Adaptability and Cohesion Evaluation Scales (FACES; Olson, 1986)

44

Refugee children in Germany

refugee camp

109

5.10(1.15), 3–7

a

73(67)

16.5

Intelligence, Short term memory

Child and Adolescent Trauma Screening (CATS; Sachser et al., 2016); Scale of Intellectual Functioning (SIF) of the Kaufmann-Assessment-Battery for Children (KABC-II; Kaufmann et al., 2015)

45

Refugee children mostly from Nigeria, Afghanistan, and Syria in Germany

refugee camp

72

5.14(1.17), 3–7

a

32(61·5)

19(17.72), 0.5–60

Peer relations, Prosocial behavior, Intelligence, Short term memory

Child and Adolescent Trauma Screening (CATS; Sachser et al., 2016); Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001); TST assessment form (Saxe et al., 2016); Scale of Intellectual Functioning (SIF) of the Kaufmann-Assessment-Battery for Children (KABC-II; Kaufmann et al., 2015)

46

Refugee children in Germany

refugee camp

181

4.94 (4.66 5.22)

a

62(89)

3.71

Social-emotional competencies, Play, Intelligence, Learning Performance

Play Observation Scale (Bernhardt & Hahnefeld, 2021); Behavior Observation Scale for Preschool Children (Verhaltensbeurteilungsbogen für Vorschulkinder; VBV-ER 3–6; Döpfner, 1993); Scale of Intellectual Functioning (SIF) of the Kaufmann-Assessment-Battery for Children (KABC-II; Kaufmann et al., 2015)

47

Refugee children from Asia and Africa in Australia

detention

110

6.0(4.72)

a,b,d

a: nr

b: nr

d: 605(97.3)

13

Cognitive development

Centers for Disease Control and Prevention/ Adverse Childhood Experiences (CDC/ACE; Hanes, 2017)

48

Refugee children from Iran, Iraq, Afghanistan, and Palestine in Australia

detention

20

0.92–17

a

20(100)

15, 12–18

Family functioning, Play

Child Assessment

49

Refugee children from Iraq, Kosovo, Pakistan, Russia, Somalia, Sri Lanka, and Sudan in Belgium/ Denmark

nr

18

6.7(2.2), 4–9

a

8(44.4)

nr

Family functioning

Attachment Story Completion Task (ASCT; Verhueren et al., 1996)

50

Refugee children from Syria in Germany

refugee camp

96

7.2, 0–14

a,b,c

a: 96(100)

1.3

Language development

Parent Interview; Child Assessment; Post-traumatic Stress Disorder Semi-Structured Interview (PTSDSSI; Scheeringa & Zeanah, 1994)

51

Refugee children in Germany

refugee camp

2551

5.72

nr

nr

28.43

Cognitive reasoning, Language development

Peabody Picture Vocabulary Test (PPVT-4; Dunn & Dunn, 2007); NEPS-MAT (Lang et al., 2014)

52

Internally displaced children in Israel

refugee camp

study 1: 74

study 2: 191

4.7(1.34), 2–7

a

264(99.6)

0.53(0.26)

Play

War Related Experiences Scale (Sadeh et al., 2008); Stress Reaction Checklist (SRCL; Sadeh et al., 2008)

53

Refugee children from Iran in Sweden

settled

50

8.4, 4–8

a

42(84)

42

Peer relations, Language development

Parental Interview; Child Assessment; Erica Method/World of Technique (Lowenfeld, 1950)

54

Refugee children from Iran in Sweden

settled

39

8.4, 4–8

a

34(87)

baseline: 12 follow-up: 42

Play

Parental Interview; Erica Method / World of Technique (Lowenfeld, 1950)

55

Refugee children from Iran in Sweden

settled

50

5.83, 4–8

a,b

42(84)

nr

Play

Parental Interview; Erica Method / World of Technique (Lowenfeld, 1950)

56

Refugee children from former Yugoslavia in Sweden

refugee camp

66

5–15

a

24 (37)

5

Family functioning, Play

Parent Interview

57

Refugee children from Middle East and Africa in Sweden

70% settled

61

3.75(1.4), 2–6

nr

9(15)

nr

Peer relations, Prosocial behavior

Strengths and Difficulties Questionnaire (SDQ; Goodman, 2001); Primary Care PTSD Screen (PC-PTSDM Prins et al., 2003); Child PTSD Symptom Scale (CPSS; Nixon et al., 2013)

  1. ACE categories
  2. a constant of violence; witnessing or experiencing of any type of war or armed conflict
  3. b witnessing or experiencing the death or injury of a parent or relative, or being separated from family members
  4. c threat of violence; witnessing, or experiencing violence while in transit
  5. d exposure to harmful refugee conditions (e.g., immigration detention)
  6. PTSD posttraumatic stress disorder
  7. *Description by the authors only