|
|
Table 1.
Relations between perceived stress, coronary
risk factors, and prevalence of angina and ischaemia at first
screening. Values are numbers (percentages) unless stated
otherwise
|
|
|
Stress
|
P
for trend |
| Low
(n=1826) |
Medium
(n=3037) |
High (n=743) |
|
| Smoking >20
cigarettes daily |
337
(18.5) |
651 (21.3) |
196 (26.5) |
<0.001 |
| Consuming >15 units
of alcohol weekly |
554 (27.2) |
831 (29.2) |
223
(29.5) |
0.031 |
| Taking <3 hours exercise weekly |
391
(19.4) |
553 (18.8) |
194 (26.4) |
0.004 |
| Body mass index >25
kg/m2 |
976 (52.7) |
1536 (49.9) |
352
(46.7) |
0.004 |
| Diastolic blood pressure 90 mm Hg |
502
(25.9) |
737 (24.8) |
175 (23.3) |
0.12 |
| Plasma cholesterol
concentration >5.5 mmol/l |
1073 (60.3) |
1944 (62.5) |
465
(60.3) |
0.92 |
| FEV1 <90% of predicted value |
729
(36.7) |
1107 (37.8) |
277 (35.6) |
0.69 |
| Baseline prevalence of
angina (%) |
79 (3.8) |
196 (6.8) |
70
(8.7) |
<0.001 |
| Baseline prevalence of ischaemia (%) |
118
(6.2) |
169 (5.7) |
36 (4.7) |
0.11 |
|
|
Standardisation by the direct method for age and occupational
class.
|
|
FEV1=forced expiratory volume in one second.
|
|
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