Table 4 Unadjusted and adjusted odds ratios and 95% confidence interval (CI) of having at least one oral impact on daily performances (OIDP = 1) according to non-clinical and clinical variables.

Step 1

District: Kinondoni

1

1

P = 0.001

   Temeke

3.6 (2.9–4.5)

4.8 (3.6–6.2)

Area: Urban

1

1

P = 0.001

   Rural

1.0 (0.8–1.3)

1.6 (1.2–2.2)

Sex: Male

1

1

P = 0.736

   Female

0.9 (0.7–1.1)

0.9 (0.7–1.2)

Age: 12 yrs

1

1

P = 0.052

   13 yrs

1.4 (1.1–1.8)

1.3 (1.0–1.7)

   14 yrs

1.3 (0.9–1.7)

1.2 (0.9–1.7)

Finger/lip sucking: no

1

1

P = 0.093

   yes

1.5 (1.2–1.9)

1.2 (0.9–1.6)

Sugar items: 0–1

1

1

P = 0.207

   > 1

1.3 (1.0–1.6)

1.2 (0.9–1.5)

Dental attendance: no

1

1

P = 0.062

   yes

1.8 (1.4–2.7)

1.3 (0.9–1.9)

Step 2

DMFT = 0

1

1

P = 0.238

DMFT > 0

1.5 (1.2–1.9)

1.2 (0.8–1.6)

Step 3

OHIS: good

1

1

P = 0.916

   fair/poor

1.2 (1.0–1.5)

1.0 (0.7–1.3)

Satisfied with oral health

1

1

P = 0.001

Dissatisfied with oral health

2.8 (2.0–3.7)

1.9 (1.3–2.8)

No oral problem

1

1

P = 0.001

≥1 oral problems

4.9 (3.7–6.5)

3.9 (2.9–5.2)

State of teeth: good

1

1

P = 0.001

   bad

3.3 (2.4–4.5)

3.1 (2.1–4.5)

State of health: good

1

1

P = 0.023

   bad

2.2 (1.4–3.4)

1.8 (1.1–3.0)