Table 4 The effect of Locus of control on dmft: OR (95% CI) for having intact teeth

1 ^st quintile (low)

1

1

1

2 ^nd quintile

1.28 (0.60–2.72)

1.29 (0.60–2.77)

1.42 (0.62–3.22)

3 ^rd quintile

1.91 (0.92–3.96)

1.91 (0.92–3.98)

2.18 (1.00–4.78)

4 ^th quintile

2.78 (1.33–5.82)*

2.80 (1.33–5.86)*

3.21 (1.44–7.15)*

5 ^th quintile (high)

2.10 (0.99–4.45)

2.08 (0.98–4.42)

2.32 (1.02–5.25)*

P for linear trend of ORs

0.007

0.008

0.008