Table 5 Adjusted odds ratio of the negative impact (having higher grades) on the OHRQoL in children

OI (Type I)

1

1

1

1

1

 Type III

1.1 (0.2–4.6)

0.9 (0.2–3.8)

1.6 (0.3–8.3)

2.3 (0.5–11.9)

0.9 (0.2–5.4)

 Type IV

0.5 (0.1–2.5)

0.5 (0.1–2.4)

0.7 (0.1–3.5)

0.9 (0.2–5.2)

0.5 (0.1–4.1)

Age

1.6 (0.9–3.1)

1.5 (0.8–2.8)

0.9 (0.5–1.8)

1.2 (0.6–2.4)

1.7 (0.8–3.8)

Gender (Male)

1

1

1

1

1

 Female

0.7 (0.2–2.3)

0.9 (0.3–2.9)

0.9 (0.3–3.2)

0.8 (0.2–2.9)

0.3 (0.1–1.2)

Race (White)

1

1

1

1

1

 Others

0.9 (0.2–3.4)

2.1 (0.5–8.8)

0.6 (0.1–2.8)

1.7 (0.3–7.8)

4.4 (0.8–24.2)

Family history (No)

1

1

1

1

1

 Yes

0.4 (0.1–1.5)

0.4 (0.1–1.7)

0.3 (0.1–1.2)

0.9 (0.2–4.6)

0.2 (0.1–1.3)