Table 3.

Pooled analysis of the association between desire to quit smoking (yes vs no) and smoking frequency, factors related to smoking behaviour, background characteristics, and study year among physicians in Estonia, 2002 (n=322) and 2014 (n=189)

	Model 1a		Model 2b
Characteristic	OR	95% CI	OR	95% CI
Smoking frequency
Occasional	1.00		1.00
Daily	1.83	1.24–2.71	1.56	0.87–2.80
Factors related to smoking behaviour
Concern about harms of smoking
Not concerned	1.00		1.00
Concerned	7.95	4.63–13.66	9.06	4.15–19.74
Number of previous quit attempts
None	1.00		1.00
1–2	2.37	1.51–3.73	2.22	1.18–4.17
3–4	9.31	5.06–17.13	10.58	4.51–24.79
5 or more	13.88	6.03–31.95	9.81	3.63–26.49
Main reason to restart smoking
Stress	1.00		1.00
Strong withdrawal symptoms	1.11	0.53–2.33	0.75	0.29–1.99
Alcohol consumption	0.85	0.33–2.18	1.66	0.43–6.26
Weight gain	0.64	0.33–1.23	0.69	0.29–1.66
Smoking in proximity	0.80	0.46–1.37	0.72	0.35–1.47
Other	0.60	0.32–1.11	0.81	0.35–1.88
Motivation to quit smoking
Personal health problems	1.00		1.00
Material stimulus	0.71	0.26–1.90	0.38	0.08–1.80
Wish to set a good example	1.46	0.85–2.51	2.38	1.12–5.09
Other	1.05	0.54–2.04	1.99	0.76–5.25
Background characteristics
Gender
Male	1.00		1.00
Female	0.96	0.66–1.39	1.19	0.66–2.12
Age group
≤34	1.00		1.00
35–44	1.01	0.56–1.82	0.77	0.32–1.82
45–54	0.94	0.53–1.66	0.87	0.38–2.01
55–64	0.70	0.38–1.26	0.69	0.29–1.68
Ethnicity
Estonian	1.00		1.00
Non-Estonian	1.23	0.78–1.94	1.54	0.76–3.09
Place of residence
Tallinn	1.00		1.00
Other city	0.94	0.64–1.37	0.87	0.49–1.54
Non-urban	1.53	0.90–2.59	0.96	0.46–2.01
Medical specialty
Specialist doctor	1.00		1.00
Family physician	1.58	0.95–2.62	1.88	0.89–4.01
Dentist	1.76	1.12–2.76	2.42	1.25–4.69
Study year
2002	1.00		1.00
2014	0.99	0.68–1.44	0.95	0.54–1.68

^aModel 1 adjusted for gender, age and year.

^bModel 2 adjusted for all the other characteristics in the Table.