Table 5 Use of dental care regressed upon predisposing, enabling and need related factors: Odds ratios (OR) and 95% Confidence Intervals (95% CI)

Step 1 Predisposing factors

Total sample

KDTH

UST

Travelling outside Sudan

Yes

1

1

1

No

0.8 (0.6-1.0)

0.8 (0.6-1.2)

0.7 (0.4-1.1)

Travelling inside Sudan:

Yes

1

1

1

No

0.5 (0.4-0.8)

0.5 (0.3-0.8)

0.6 (0.3-1.2)

Gender:

Male

1

1

1

Female

2.0 (1.5-2.4)

1.9 (1.3-2.6)

2.1 (1.4-3.2)

Hospital:

UST

1

KDTH

0.8 (0.5-0.9)

Nagelkerke's R ² = 0.069

Step II Enabling factors

Knowledge HIV transmission:

Low

1

1

1

High

0.6 (0.4-0.8)

0.7 (0.5-1.1)

0.5 (0.3-0.7)

Perceived personal risk:

Low

1

1

1

High

1.3 (1.1-1.6)

1.2 (0.8-1.6)

1.3 (0.9-2.0)

Experience HIV/AIDS:

Low

1

1

1

High

0.7 (0.5-0.8)

0.6 (0.4-0.9)

0.8 (0.5-1.3)

Attitudes towards HIV

infected people:

Negative

1

1

1

Positive

1.3 (1.0-1.6)

1.3 (0.9-1.7)

1.2 (0.8-1.8)

Nagelkerke's R ² = 0.104

Step III Need related factors

DMFT: 0

1

1

1

DMFT>0

4.8 (1.9-12.4)

2.1 (0.6-7.1)

14.9 (3.1-72.1)

Teeth condition:

Bad

1

1

1

Good

0.5 (0.3-0.5)

0.4 (0.2-0.5)

0.5 (0.3-0.8)

Health condition:

Bad

1

1

1

Good

1.9 (1.4-2.5)

2.7 (1.8-3.9)

0.9 (0.5-1.5)

Nagelkerke's R ² = 0.168