Table 1. Basal characteristics of 1,809 male workers stratified by work stress or home stress.
| Work stress | p valuea | Home stress | p valuea | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Presence (N=1,154) | Absence (N=655) | Presence (N=331) | Absence (N=1,478) | ||||||
| Age (yr) | 35.9 ± 8.7 | 34.6 ± 9.9 | 0.003 | 35.4 ± 8.3 | 35.4 ± 9.4 | 0.940 | |||
| Body mass index (kg/m2) | 23.4 ± 3.8 | 23.0 ± 9.9 | 0.031 | 23.3 ± 3.9 | 23.3 ± 3.7 | 0.881 | |||
| Sleep duration (min) | 416 ± 56 | 425 ± 52 | <0.001 | 412 ± 59 | 421 ± 54 | 0.016 | |||
| Regular exercise (%) | 18.0 | 17.9 | 0.949 | 16.0 | 18.4 | 0.342 | |||
| Smoking habit (%) | 60.1 | 60.8 | 0.803 | 66.2 | 59.0 | 0.018 | |||
| Drinking habit (%) | 70.4 | 64.4 | 0.010 | 72.2 | 67.3 | 0.090 | |||
| Ethanol ingestion (g/day) | 21.8 ± 30.6 | 19.1 ± 28.8 | 0.071 | 23.4 ± 32.1 | 20.2 ± 29.5 | 0.080 | |||
| Systolic blood pressure (mmHg) | 119 ± 14 | 118 ± 14 | 0.615 | 118 ± 14 | 119 ± 14 | 0.280 | |||
| Diastolic blood pressure (mmHg) | 71 ± 11 | 70 ± 11 | 0.043 | 70 ± 11 | 71 ± 11 | 0.202 | |||
| Heart rate (beats/min) | 68 ± 10 | 68 ± 10 | 0.510 | 68 ± 10 | 68 ± 10 | 0.554 | |||
| QTc interval (msec1/2) | 393 ± 20 | 391 ± 20 | 0.048 | 395 ± 20 | 392 ± 20 | 0.040 | |||
| QT index (%) | 94.7 ± 4.4 | 94.3 ± 4.5 | 0.067 | 95.0 ± 4.4 | 94.4 ± 4.4 | 0.032 | |||
a Student t test or Fisher exact probability