Table 1 Demographic Characteristics of Participants and follow-up Rates

Gender

Female

534(49.8)

491(50.3)

91.9

0.3045

0.9345

394(50.8)

354(50.8)

89.8

1.3355

0.2396

Male

538(50.2)

485(49.7)

90.1

382(49.2)

343(49.2)

89.8

Guardianship

Both parents

800(74.6)

727(74.5)

90.9

0.6974

0.7551

596(76.8)

544(78.0)

91.3

1.2114

0.2698

Single parent

158(14.7)

143(14.7)

90.5

113(14.6)

94(13.5)

83.2

Others

66(6.2)

61(6.3)

92.4

65(8.4)

57(8.2)

87.7

Missing

48(4.5)

45(4.6)

2(0.3)

2(0.3)

Marital status of the parents

Married

872(81.3)

793(81.3)

90.9

1.8915

0.0806

618(79.6)

564(80.9)

91.3

0.9921

0.4299

Single/divorced

121(11.3)

108(11.1)

89.3

137(17.7)

113(16.2)

Missing

79(7.4)

75(7.7)

21(2.7)

20(2.9)

95.2

Fathers education level

Primary or less

156(14.6)

135(13.8)

86.5

2.3479

0.0057

240(30.9)

210(30.1)

87.5

1.1111

0.3470

Secondary or more

384(35.8)

345(35.3)

89.8

335(43.2)

303(43.5)

90.4

Don’t know

411(38.3)

383(39.2)

93.2

169(21.8)

155(22.2)

91.7

Missing

121(11.3)

113(11.6)

32(4.1)

29(4.2)

Mothers education level

Primary or less

199(18.6)

177(18.1)

88.9

2.5989

0.0021

334(43.0)

302(43.3)

90.4

1.2707

0.2303

Secondary or more

342(31.9)

305(31.3)

89.2

299(38.5)

265(38.0)

88.6

Don’t know

445(41.5)

414(42.4)

93.0

132(17.0)

119(17.1)

90.2

Missing

86(8.0)

80(8.2)

11(1.4)

11(1.6)

Fathers employment

Unemployed

263(24.5)

240(24.6)

91.3

1.7293

0.1123

230(29.6)

211(30.3)

91.7

0.2899

0.9417

Employed

672(62.7)

611(62.6)

90.9

489(63.0)

435(62.4)

89.0

Missing

137(12.8)

125(12.8)

91.2

57(7.3)

51(7.3)

89.5

Mothers employment

Unemployed

704(65.7)

643(65.9)

91.3

0.3721

0.8967

422(54.4)

381(54.7)

90.3

1.4625

0.1893

Employed

284(26.5)

255(26.1)

89.8

327(42.1)

293(42.0)

89.6

Missing

84(7.8)

78(8.0)

27(3.5)

23(3.3)

Region

Peri-urban

593(55.3)

547(56.0)

92.2

5.9956

<0.0001

391(50.4)

351(50.4)

89.8

9.8356

<0.0001

Rural

479(44.7)

429(44.0)

89.6

385(49.6)

346(49.6)

89.9

Class

Class 2 (5)

263(24.5)

251(25.7)

95.4

4.2580

<0.0001

309(39.8)

270(38.7)

87.4

3.8912

<0.0001

Class 3 (6)

254(23.7)

225(23.1)

88.6

376(48.5)

346(49.6)

92.0

Class 4 (7)

286(26.7)

244(25.0)

85.3

88(11.3)

78(11.2)

88.6

Missing

51(4.8)

48(4.9)

3(0.4)

3(0.4)

Age in years

Mean(Median)

8.8(9.0)

8.7(9.0)

n/a

0.8253

0.5506

12.5(12.0)

12.4(12.0)

n/a

2.4314

0.0252

Attention^a

Mean(Median)

56.0(55.0)

56(55.0)

n/a

1.6195

0.1398

54.0(51.0)

53.9(51.0)

n/a

1.0493

0.3925

Internalizing^a

Mean(Median)

60.2(61.0)

60(61.0)

n/a

0.3165

0.9284

60.0(61.0)

59.8(61.0)

n/a

0.7167

0.6363

Externalizing^a

Mean(Median)

54.2(54.0)

54(54.0)

n/a

0.7558

0.6051

51.6(51.0)

51.3(51.0)

n/a

0.9881

0.4326

Total^a

Mean(Median)

56.7(57.0)

56(57.0)

n/a

0.6031

0.7279

55.7(54.0)

55.4(54.0)

n/a

0.5637

0.7593