Table 4 Factors associated with reduced posterior occluding support. Multivariate analysis controlled for use of tobacco (n = 1023). Chi-square, odds ratios (OR) and 95% confidence limits (CL).

Age:50–59 years

78.0 (354)

1

   60–69 years

82.5 (250)

1.3 (0.8–2.0)

   70+years

90.0 (244) *

2.7 (1.6–4.6)

Sex: Male

79.3 (379)

1

   Female

85.4 (472) *

1.4 (1.0–2.1)

Residence: Urban

87.9 (449)

1

Rural

77.3 (402)*

0.3 (0.1–0.5)

Wealth index:

   4 ^th quart/poorest

79.4 (227)

1

   3 ^rd quart

78.7 (188)

1.0 (0.5–2.1)

   2 ^nd quart

86.9 (218)

1.1 (0.6–2.1)

   1 ^st quart/least poor

85.5 (218)

0.8 (0.5–1.3)

Decayed: 0–1 teeth

71.1 (361)

1

Decayed: 2–22 teeth

93.7 (490)*

7.2 (4.6–11.1)

Plaque: no visible

79.7 (444)

1

Plaque: moderate/abundant

85.7 (401) *

1.5 (1.0–2.2)

Tooth mobility: 0–1 teeth

81.1 (665)

1

Tooth mobility: ≥ 2 teeth

92.5 (186) *

3.0 (1.6–5.5)

Dental attendance: Never

71.4 (152)

1

Dental attendance: in problems

85.5 (694) *

2.3 (1.2–3.5)

Frequency attendance: Never

80.4 (644)

1

Frequency attendance: ≥ once

89.7 (210) *

2.1 (1.2–3.5)