Background
Methods
Sample
Procedures
Measures
Analysis
Results
Characteristics of the sample
Non-smoker (n = 166) | Smoker (n = 27) | Total (N = 193) | |
---|---|---|---|
Male,
n
(%)
| 137 (83) | 19 (70) | 156 (81) |
Age (years), M±SD (range)***
| 65.23±9.81 | 57.44±11.40 | 64.14±10.37 (38–91) |
Income < AU$20 000,
n
(%)
| 54 (33) | 9 (33) | 63 (33) |
Married,
n
(%)
| 131 (79) | 15 (56) | 146 (76) |
Hypertension,
n
(%)
| 127 (77) | 23 (85) | 150 (78) |
Diabetes,
n
(%)
| 40 (24) | 5 (19) | 45 (23) |
CABG,
n
(%)**
| 104 (63) | 8 (30) | 112 (58) |
BMI (kg/m
2
), M±SD (range)
| 28.07±4.28 | 27.55±3.92 | 28.00±4.22 (20–40) |
LVEF < 30%
n
(%)
| 11 (7) | 0 (0) | 11 (8) |
Alcohol - Excessive
| 34 (12) | 6 (22) | 40 (21) |
Functional status, M±SD (range)
| 24.81±4.57 | 23.97±6.33 | 24.09±6.11 (0–30) |
MDD***
| 23 (14) | 12 (44) | 35 (18) |
ADD***
| 36 (33) | 18 (67) | 54 (28) |
GAD*
| 27 (16) | 10 (37) | 37 (19) |
History of depression
| 57 (34) | 10 (37) | 67 (35) |
Antidpressants at T1,
n
(%)
| 17 (10) | 3 (11) | 20 (11) |
Antidepressants T1-T3,
n
(%)
| 13 (8) | 3 (11) | 16 (8) |
Neuroticism, M±SD (range)**
| 26.48±8.50 | 32.44±10.56 | 27.32±9.02 (10–50) |
Social support, M±SD (range)**
| 70.25±11.19 | 63.89±12.34 | 69.36±11.54 (21–84) |
Attended cardiac rehabilitation
†
,
n
(%)*
| 121 (76) | 13 (50) | 134 (72) |
Association between smoking and 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 |
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 |
Association between smoking and HRQOL
Variable | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1. Male
| 1 | |||||||||||||||
2. Married
| .28*** | 1 | ||||||||||||||
3. Income
| -.14 | -.27*** | 1 | |||||||||||||
4. LVEF
| .06 | -.02 | .07 | 1 | ||||||||||||
5. BMI
| -.06 | .09 | -.01 | -.05 | 1 | |||||||||||
6. Diabetes
| -.04 | -.06 | .17* | .02 | .10 | 1 | ||||||||||
7. Smoking
|
-.11
|
-.19***
|
.01
|
-.10
|
-.04
|
-.05
|
1
| |||||||||
8. Alcohol -excessive
| .18* | .08 | -.06 | -.07 | -.07 | -.13 | .02 | 1 | ||||||||
9. History of
depression
| -.06 | -.09 | .05 | -.09 | .09 | -.04 | .02 | .00 | 1 | |||||||
10. GAD
| -.03 | .00 | .05 | -.12 | .04 | -.08 | .18* | .01 | .23*** | 1 | ||||||
11. Neuroticism
| -.10 | .03 | .15* | -.11 | .04 | .03 | .23*** | .00 | .34*** | .49** | 1 | |||||
12. Social support
| .06 | .34*** | -.10 | .04 | .00 | .04 | -.20*** | .05 | -.08 | -.19** | -.12 | 1 | ||||
13. Functional status
| .20*** | .19*** | -.42*** | -.07 | -.07 | -.20*** | .02 | .11 | -.16* | -.06 | -.17* | .11 | 1 | |||
14. CABG
| -.12 | -.06 | 0.08 | -.03 | .00 | -.10 | .23** | .06 | -.03 | .09 | .13 | .00 | .01 | 1 | -.15* | |
15. MCS
| .100 | .02 | -.06 | .09 | -.26*** | -.08 | -.36*** | .07 | -.32*** | -.41*** | -.54*** | .22*** | .21*** | 1 | ||
16. PCS
| .16* | .16* | -.29*** | -.01 | -.07 | -.23*** | -.04 | .06 | -.28*** | .00 | -.21*** | .06 | .61*** | .18*** | 1 |
Physical HRQOL at T3 (N = 184) | Mental HRQOL at T3 (N = 184) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Variable | 95% CI for β | 95% CI for β | ||||||||
B | SE | β | Lower | Upper | B | SE | β | Lower | Upper | |
Constant
| 2191.21 | 471.57 | 1260.29 | 3122.14 | 5094.85 | 530.41 | 4047.77 | 6141.92 | ||
Male
| −1.29 | 134.42 | .00 | −266.64 | 264.06 | −78.07 | 151.19 | -.03 | −376.53 | 220.39 |
Married
| 82.47 | 135.80 | .04 | −185.61 | 350.56 | −77.48 | 152.75 | -.03 | −379.01 | 224.06 |
Income
| −3.39 | 120.15 | -.00 | −240.57 | 233.80 | 151.72 | 135.14 | .07 | −115.06 | 418.50 |
LVEF
| 67.40 | 212.32 | .02 | −351.75 | 486.55 | −47.46 | 238.81 | -.01 | −518.90 | 423.99 |
BMI
| 2.54 | 11.90 | .01 | −20.95 | 26.02 | −50.37 | 13.38 | -.22*** | −76.78 | −23.95 |
Diabetes
| −240.51 | 120.41 | -.12* | −478.22 | −2.81 | −148.65 | 135.44 | -.07 | −416.01 | 118.72 |
Smoking
|
−3.08
|
154.25
|
-.00
|
−307.58
|
301.42
|
−687.49
|
173.49
|
-.24***
|
−1029.98
|
−345.01
|
Alcohol - excessive
| −15.11 | 127.08 | -.01 | −265.97 | 235.75 | 125.54 | 142.93 | .05 | −156.62 | 407.69 |
History of depression
| −325.52 | 114.85 | -.18** | −552.24 | −98.79 | −252.56 | 129.18 | -.12 | −507.57 | 2.45 |
GAD
| 249.36 | 146.24 | .11 | −39.33 | 538.04 | −378.52 | 164.48 | -.15* | −703.22 | −53.82 |
Neuroticism
| −10.02 | 6.79 | -.10 | −23.42 | 3.38 | −35.86 | 7.64 | -.33*** | −50.93 | −20.79 |
Social support
| -.02 | .04 | -.03 | -.09 | .054 | .06 | .04 | .09 | -.02 | .15 |
Functional status
| .06 | .01 | .55*** | .05 | .074 | .02 | .01 | .12 | -.00 | .03 |
CABG
| −248.66 | 104.18 | -.14 | −454.33 | −43.00 | −106.99 | 117.18 | -.05 | −338.31 | 124.33 |