Table 2

Odds ratios predicting number of cigarettes smoked per week (n = 336)1, 2

> 10 v. ≤ 5

>10 v. 6-10

6-10 v. ≤ 5

OR (95% CI)

OR (95% CI)

OR (95% CI)


Hospitalized for medical problem (no = ref)

0.37 (0.10, 1.37)

0.19 (0.06, 0.60)

1.92 (0.61, 6.04)

Depression (no = ref)

2.39 (0.98, 5.83)

0.90 (0.42, 1.91)

2.66 (1.15, 6.16)

Smoking policy at work (forbidden to smoke inside = ref)

There are no rules

2.84 (0.71, 11.40)

1.91 (0.55, 6.61)

1.49 (0.44, 5.01)

People can only smoke in certain rooms or areas

7.65 (1.74, 33.64)

1.43 (0.50, 4.08)

5.34 (1.13, 25.19)

Did not work in past year

0.29 (0.09, 0.91)

1.18 (0.46, 3.05)

0.24 (0.08, 0.73)

Social support from family (ref = no).

6.48 (2.24, 18.80)

1.41 (0.55, 3.62)

4.58 (1.62, 12.98)

Social support from oncologist (ref = no)

3.40 (1.24, 9.34)

0.58 (0.26, 1.32)

5.83 (2.17, 15.65)

Self-efficacy: Level of confidence to quit smoking in 6 months (ref = very or extremely confident)

Not at all confident

5.28 (0.54, 51.68)

1.55 (0.25, 9.23)

3.41 (0.35, 33.22)

A little or somewhat confident

1.26 (0.44, 3.61)

0.33 (0.12, 0.89)

3.85 (1.34, 11.16)

Self-efficacy: Level confidence to quit smoking in 1 month (ref = very or extremely confident)

Not at all confident

4.60 (0.99, 21.42)

1.44 (0.32, 6.48)

3.20 (0.77, 13.30)

A little or somewhat confident

8.78 (2.39, 32.25)

2.71 (0.83, 8.92)

3.23 (1.00, 10.46)


1Adjusted for recruitment site, age, gender, race, education, treatment, diagnosis, nicotine dependence and quit attempts.

2 n = 102 survivors smoked ≤ 5 cigarettes per day; n = 90 survivors smoked between 6-10 cigarettes per day; and n = 155 survivors smoked >10 cigarettes per day.

de Moor et al. BMC Cancer 2011 11:165   doi:10.1186/1471-2407-11-165

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