Table 3 The effect of Locus of control on dt: OR (95% CI) for being free from untreated carries

1 ^st quintile (low) (34–42)

1

1

1

2 ^nd quintile (42.1–45.5)

1.13 (0.54–2.38)

1.11 (0.52–2.36)

1.25 (0.56–2.80)

3 ^rd quintile (45.6–48.5)

1.91 (0.92–3.97)

1.90 (0.92–3.95)

2.19 (1.00–4.78)*

4 ^th quintile (48.6–51)

2.27 (1.09–4.73)*

2.26 (1.09–4.72)*

2.68 (1.21–5.93)*

5 ^th quintile (high) (51.1–62)

2.38 (1.11–5.10)*

2.40 (1.12–5.15)*

2.81 (1.23–6.42)*

P for linear trend of ORs

0.005

0.005

0.003