Table 2 Regression analyses† in which education level and income level predicted four smoking related outcomes

Smoking prevalence

Education level*

Low

1.75 (1.55 to 1.97)

1.84 (1.62 to 2.09)

1.79 (1.56 to 2.06)

2.26 (1.96 to 2.62)

Moderate

1.32 (1.17 to 1.49)

1.44 (1.27 to 1.64)

1.25 (1.09 to 1.44)

1.62 (1.41 to 1.87)

High

1.00

1.00

1.00

1.00

Income level

Low

1.33 (1.17 to 1.51)

1.49 (1.31 to 1.70)

1.52 (1.33 to 1.74

1.83 (1.58 to 2.10)

Moderate

1.13 (0.99 to 1.28)

1.11 (0.98 to 1.25)

1.12 (0.97 to 1.30)

1.39 (1.20 to 1.60)

High

1.00

1.00

1.00

1.00

Smoking consumption

Education level

Low

0.11 (0.06 to 0.17)

0.17 (0.11 to 0.23)

0.11 (0.05 to 0.17)

0.20 (0.13 to 0.26)

Moderate

0.07 (0.02 to 0.13)

0.07 (0.01 to 0.13)

0.01 (−0.05 to 0.07)

0.12 (0.06 to 0.18)

High

0.00

0.00

0.00

0.00

Income level

Low

0.06 (0.00 to 0.11)

0.00 (−0.06 to 0.06)

0.12 (0.06 to 0.17)

0.15 (0.08 to 0.20)

Moderate

0.05 (−0.01 to 0.11)

−0.01 (−0.06 to 0.04)

0.06 (0.00 to 0.12)

0.08 (0.02 to 0.14)

High

0.00

0.00

0.00

0.00

Initiation ratio

Education level

Low

1.87 (1.66 to 2.10)

2.24 (1.99 (2.52)

1.41 (1.25 to 1.59)

1.73 (1.53 to 1.95)

Moderate

1.43 (1.27 to 1.61)

1.47 (1.30 to 1.65)

1.19 (1.05 to 1.34)

1.45 (1.29 to 1.63)

High

1.00

1.00

1.00

1.00

Income level

Low

1.32 (1.16 to 1.51)

1.51 (1.32 to 1.73)

1.25 (1.11 to 1.41)

1.32 (1.17 to 1.49)

Moderate

1.14 (1.00 to 1.30)

1.27 (1.13 to 1.43)

1.01 (0.89 to 1.14)

1.21 (1.08 to 1.37)

High

1.00

1.00

1.00

1.00

Quit ratio

Education level

Low

0.81 (0.70 to 0.94)

0.84 (0.71 to 0.98)

0.69 (0.58 to 0.82)

0.56 (0.47 to 0.67)

Moderate

0.95 (0.81 to 1.11)

0.83 (0.70 to 0.98)

0.92 (0.77 to 1.10)

0.73 (0.61 to 0.87)

High

1.00

1.00

1.00

1.00

Income level

Low

0.86 (0.74 to 1.01)

0.76 (0.64 to 0.89)

0.72 (0.61 to 0.85)

0.56 (0.47 to 0.66)

Moderate

0.96 (0.82 to 1.13)

1.05 (0.91 to 1.22)

0.88 (0.74 to 1.05)

0.78 (0.66 to 0.92)

High

1.00

1.00

1.00

1.00