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Table 2 Description of schoolchildren’s sample and response rates by grade group and country

From: Lifetime and past-year prevalence of children’s exposure to violence in 9 Balkan countries: the BECAN study

Country

Grade group

Total

11-year olds

13-year olds

16-year olds

N1

n2

R.R3

N1

n2

R.R3

N1

n2

R.R3

N1

n2

R.R3

Albania

1652

1186

71.79

1667

1204

72.23

1125

937

83.29

4444

3327

74.86

Bulgaria

1241

662

53.34

1105

685

61.99

1273

693

54.44

3619

2040

56.37

B & H

1333

676

50.71

1340

675

50.37

1501

1287

85.74

4174

2638

63.20

Croatia

1744

1223

70.13

1771

1188

67.08

1492

1233

82.64

5007

3644

72.78

Greece

4401

2771

62.96

5072

3438

67.78

5847

4242

72.55

15,320

10,451

68.22

FYROM

2058

670

32.56

2183

791

36.23

1408

1125

79.90

5649

2586

45.78

Romania

3471

1976

56.93

2709

1849

68.25

2190

2130

97.26

8370

5955

71.15

Serbia

2131

908

42.61

2623

1400

53.37

2811

1719

61.15

7565

4027

53.23

Turkey

2913

2500

85.82

3162

2564

81.09

3027

2462

81.33

9102

7526

82.69

Total

20,944

12,572

60.03

21,632

13,794

63.77

20,674

15,828

76.56

63,250

42,194

66.71

  1. 1N: number of children registered to schools that were included in the sample
  2. 2n: number of children who accepted to participate by filling in the ICAST-C questionnaire
  3. 3R.R.: response rate (percentage of the children who accepted to participate, out of the total number of invited school children in the selected school)