Table 2

Direct logistic regression analyses to predict the association between smoking and depression (MDD, ’ADD’ and T2 Depression)
T1 MDD (N= 193) T1 ‘ADD’ (N= 193) T2 Depression (N= 189)
B SE Wald OR 95% CI 95% CI 95% CI
Variable Lower Upper B SE Wald OR Lower Lower B SE Wald OR Lower Upper
Male -.24 .64 .14 .79 .23 2.77 .19 .59 .10 1.21 .38 3.83 .57 .70 .65 1.76 .44 6.97
Married .79 .74 1.15 2.21 .52 9.43 .48 .63 .596 1.62 .47 5.56 .67 .74 .81 1.96 .46 8.39
Income .57 .61 .86 1.76 .53 5.82 .12 .54 .05 1.12 .39 3.24 -.20 .65 .09 .82 .23 2.96
LVEF −18.86 1.10 .00 .00 .00 . -.42 1.22 .12 .65 .06 7.12 −18.51 1.13 .00 .00 .00 .
BMI -.04 .06 .41 .96 .85 1.09 .04 .05 .74 1.05 .95 1.15 -.02 .07 1.00 .98 .85 1.12
Diabetes -.35 .66 .29 .70 .19 2.54 -.51 .58 .80 .60 .19 1.85 -.65 .71 .84 .52 .13 2.09
Smoking 1.46 .69 4.52* 4.30 1.12 16.46 2.08 .63 11.05** 8.03 2.35 27.46 .16 .71 .05 1.17 .29 4.69
Alcohol - excessive -.70 .66 1.13 .50 .14 1.81 -.07 .55 .02 .93 .32 2.71 .05 .64 .01 1.05 .30 3.71
History of depression .94 .53 3.13 2.56 .90 7.23 .75 .46 2.65 2.12 .86 5.22 .68 .56 1.51 1.98 .67 5.88
GAD 1.87 .60 9.56** 6.50 1.98 21.09 1.81 .55 10.74** 6.09 2.07 17.93 .05 .69 .01 1.06 .27 4.11
Neuroticism .08 .04 4.37* 1.08 1.01 1.16 .09 .03 7.67** 1.09 1.03 1.16 .08 .04 4.32* 1.09 1.01 1.17
Social support .01 .03 .15 1.01 .96 1.06 .01 .02 .20 1.01 .97 1.05 -.06 .02 6.35* .94 .90 .99
Functional status -.07 .04 2.64 .93 .86 1.01 -.08 .04 5.15* .92 .86 .99 -.11 .05 5.76* .90 .82 .98
CABG .91 .53 2.94 2.49 .88 7.04 1.10 .45 6.07* 3.01 1.25 7.24 1.23 .57 4.64* 3.43 1.12 10.54
Constant −3.83 3.25 1.38 .02 −5.43 2.69 4.06 .00 .96 3.06 1.00 2.62

ADD = Any depressive disorder; BMI  body mass index; CABG = Coronary artery bypass graft surgery; GAD = Generalized Anxiety Disorder; Income = Annual household income ≤ AU$20 000; LVEF = left ventricular ejection fraction <30%; MDD = Major Depressive Disorder.

*P < .05 **P < .01 *** P < .001.

Stafford et al.

Stafford et al. BMC Cardiovascular Disorders 2013 13:35   doi:10.1186/1471-2261-13-35

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