Table 5 Discriminative validity: Child impact scores by clinical and self-reported oral health indicators

Caries experience

No

13.0 (154)

0.2 (0.9) [0.4]

1

0.6 (0.3-0.8)

Yes

20.0 (9)

0.4 (1.2)

1.9 (0.9-4.5)

Teeth present

No

7.4 (15)

0.1 (0.6)** [0.1]

1

0.5 (0.3-0.8)

Yes

14.5 (148)*

0.3 (1.0)

2.0 (0.8-5.2)

Hypoplasia

No

12.7 (143)

0.3 (0.9)*[1.0]

1

0.6 (0.4-0.8)

Yes

20.6 (20)*

0.5 (1.1)

1.8 (1.0-3.4)

Teething symptoms

No

9.0 (56)

0.2 (0.7) [0.1]|

1

0.5 (0.3-0.6)

Yes

17.8 (107)**

0.4 (1.1)**

2.2 (1.3-3.4)

Kampala Child impact

Caries experience

No

37.3 (242)

1.0 (1.5) [0.2]

1

0.9 (0.7-1.1)

Yes

49.7 (72)*

1.5 (1.7)*

1.2 (0.7-1.8)

Teeth present

No

22.0 (20)

0.5 (1.2) [0.3]

1

0.5 (0.3-0.7)

Yes

41.9 (294)**

1.2 (1.6)**

2.3 (1.3-3.9)

Hypoplasia

No

37.4 (256)

1.1 (1.5) [0.1]

1

0.8 (0.6-0.9)

Yes

53.7 (58)**

1.5 (1.7)*

1.7 (1.1-2.5)

Teething symptoms

No

37.9 (132)

1.1 (1.5) [0.1]

1

0.7 (0.6-0.8)

Yes

50.5 (147)**

1.5 (1.6)**

1.6 (1.2-2.3)

Experience tooth bud extraction

No

38.3 (290)

1.1 (1.6) [0.3]

1

0.6 (0.4-0.8)

Yes

68.6 (24)**

2.1 (1.8)**

2.7 (1.3-5.8)

Kampala Family impact

Caries experience

Sound

42.6 (281)

1.3 (1.3) [0.04]

1

0.9 (0.8-1.2)

Decayed

54.5 (79)**

1.2 (1.4)

1.3 (0.9-2.0)

Teeth present

No

23.3 (21)

0.5 (1.1) [0.2]

1

0.5 (0.3-0.6)

Yes

47.5 (339)**

1.1 (1.4)**

2.7 (1.5-4.7)

Hypoplasia

No

43.9 (304)

1.0 (1.3) [0.03]

1

1.0 (0.8-1.2)

Yes

50.5 (56)

1.1 (1.3)

1.1 (0.7-1.6)

Teething symptoms

No

43.7 (156)

1.0 (1.6) [0.1]

1

0.7 (0.6-0.9)

Yes

55.7 (165)

1.4 (1.4)*

1.5 (1.1-2.1)

Experience tooth bud extraction

No

43.0 (330)

1.0 (1.3) [0.4]

1

0.6 (0.4-0.7)

Yes

81.1 (30)**

1.9 (1.3)**

4.6 (2.0-10.7)