Table 3

Direct logistic regression analyses to predict the association between smoking and depression (T3 Depression, ‘Persistently depressed’ and ‘Ever depressed’)
T3 Depression (N= 184) ‘Persistently depressed’ (N= 184) ‘Ever depressed’ (N= 184)
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 .31 .68 .21 1.37 .360 5.20 .04 .82 .00 1.04 .21 5.15 .82 .62 1.72 2.26 .67 7.66
Married 1.87 .93 4.11* 6.52 1.06 39.89 .60 1.10 .31 1.82 .235 14.63 .91 .68 1.79 2.48 .66 9.39
Income -.81 .73 1.23 .45 .11 1.86 .01 .81 .00 1.01 .21 4.94 .01 .55 .00 1.01 .35 2.96
LVEF −18.54 1.10 .00 .00 .00 . −17.66 1.13 .00 .00 .00 . −1.08 1.19 .84 .34 .03 3.45
BMI .10 .06 3.04 1.11 .99 1.25 -.05 .09 .33 .95 .80 1.13 .03 .05 .47 1.03 .94 1.14
Diabetes 1.11 .63 3.12 3.05 .88 10.51 .15 .84 .03 1.16 .23 5.99 -.78 .58 1.83 .46 .15 1.42
Smoking .43 .74 .34 1.54 .36 6.58 .06 .91 .01 1.07 .18 6.32 1.65 .63 6.84** 5.19 1.51 17.82
Alcohol - excessive .18 .72 .06 1.19 .29 4.91 -.61 .93 .43 .54 .09 3.35 .34 .56 .36 1.40 .47 4.23
History of depression .62 .55 1.27 1.86 .63 5.55 1.69 .77 4.87* 5.41 1.21 24.23 .15 .47 .10 1.16 .46 2.93
GAD 1.38 .65 4.53* 3.99 1.12 14.28 1.04 .876 1.45 2.83 .52 15.48 1.43 .56 6.45* 4.16 1.38 12.48
Neuroticism .06 .04 2.59 1.06 .99 1.14 .04 .05 .52 1.04 .94 1.14 .13 .03 14.41*** 1.14 1.06 1.21
Social support -.07 .03 5.91* .94 .89 .99 -.04 .03 1.77 .96 .91 1.02 -.02 .02 .62 .98 .94 1.03
Functional status -.13 .05 5.96* .88 .80 .98 -.06 .06 .95 .95 .84 1.058 -.18 .05 15.52*** .84 .77 .92
CABG .49 .56 .78 1.63 .55 4.84 1.13 .72 2.51 3.11 .76 12.653 .75 .44 2.88 2.11 .89 4.98
Constant −2.01 3.07 .43 .13 .04 .82 .00 1.04 .21 5.153 −2.15 2.56 .71 .12

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

Open Data