Table 6 Child-OIDP (0 = no impacts, 1 = at least one impact) regressed on socio-demographics, behavioral- and clinical oral health indicators: odds ratio (OR) and 95% Confidence interval (CI), unadjusted and adjusted analyses.

Socio-demographic data

Gender

   Boy

1

1

1

1

   Girl

0.8(0.7-1.1)

0.9 (0.6-1.3)

0.9 (0.6-1.3)

0.8 (0.6-1.1)

School sector

   Public

1

1

   Private

1.6(1.2-2.0)*

1.2(0.9-1.7)

Locality

   Other

1

1

1

1

   Khartoum

1.3(1.0-1.8)*

1.5(0.7-3.0)

1.1(0.7-1.7)

1.2(0.8-1.7)

SES

   Low

1

1

1

1

   Middle

1.4(1.1-1.8)*

1.9(1.1-3.1)*

1.0(0.7-1.5)

1.3(0.9-1.7)

Behavioral variables

Tooth-brushing frequency

   Irregular

1.0(0.6-1.7)

   Daily

History of dentist visit

1

1

1

1

   No

0.6(0.4-0.7)*

0.9(0.5-1.4)

0.9(0.6-1.3)

0.8(0.6-1.1)

   Yes

Satisfaction with oral health

   Not satisfied

1

1

1

1

   Satisfied

0.2(0.1-0.2)*

0.2(0.1-0.5)*

0.6(0.3-0.9)*

0.4(0.3-0.6)*

Perception of oral health

   Bad

1

1

1

1

   Good

0.1(0.1-0.2)*

0.2(0.1-0.5)*

0.3(0.2-0.5)*

0.3(0.2-0.4)*

Sugar-sweetened snack intake

   ≤3 items/week

1

1

1

1

   > 3 items/week

1.6 (1.2-2.0)*

1.4 (0.9-2.1)

1.4 (0.9-2.2)

1.4 (0.9-1.8)

Clinical parameters

Mean GI index

   Score ≤ 1

1

1

1

1

   Score > 1

1.3(1.0-1.7)*

1.2 (0.7-1.9)

1.5 (0.9-2.5)

1.3 (0.9-1.8)

Mean PI index

   Score ≤ 1

1

1

1

1

   Score > 1

1.3(1.0-1.7)*

1.1(0.6-2.0)

1.3(0.8-2.1)

1.3(0.9-1.8)

Dean's Index

   Score = 0

1

   Score > 0

1.1(0.7-1.5)

Caries experience

   DMFT = 0

1

1

1

1

   DMFT > 1

1.5(1.1-1.9)*

0.9(0.6-1.5)

1.4(0.9-2.2)

1.2(0.9-1.6)

Active caries

   No

1

1

1

1

   Yes

2.5(1.9-3.4)*

3.5(2.1-5.6)*

1.2(0.7-1.8)

2.0(1.4-2.6)*

Dental trauma

No

1

Yes

1.5(0.6-3.5)