Table 1 Descriptive statistics and Pearson correlations between variables included in the final models (N = 231)

1. Smoker self-identity

2.67 (0.77)

1

2. Expected identity loss

2.27 (0.97)

0.55**

1

3. Non-smoker self-identity

3.47 (0.70)

− 0.32**

− 0.25**

1

4. Quitter self-identity

3.37 (0.70)

− 0.20**

− 0.23**

0.53**

1

5. Smoker group-identity

3.40 (0.77)

0.18**

0.17**

− 0.11

− 0.06

1

6. Non-smoker group-identity

3.45 (0.66)

− 0.17**

− 0.23**

0.20**

0.16*

0.00

1

7. Mental dependence

2.87 (0.80)

0.36**

0.31**

− 0.24**

− 0.15*

0.07

− 0.12

1

8. Consideration of future consequences

3.26 (0.48)

− 0.16*

− 0.25**

0.19**

0.17*

− 0.23**

0.20**

− 0.13*

1

9. Age of onset

16.68 (3.71)

− 0.23**

− 0.10

0.10

0.17*

− 0.02

0.12

− 0.19**

− 0.04

1

10. Self-efficacy

3.66 (0.87)

− 0.29**

− 0.28**

0.23**

0.13*

− 0.03

0.02

− 0.20**

0.04

0.07

1

11. Future self thought clarity

2.81 (0.83)

− 0.11

− 0.19**

0.11

0.13*

− 0.09

0.06

− 0.13

0.18**

− 0.03

0.13

1

12. Physical nicotine dependence

3.06 (2.33)

0.28**

0.32**

− 0.12

− 0.11

− 0.07

− 0.01

0.40**

− 0.01

− 0.14*

− 0.36**

− 0.08