| Author, Date |
Sample |
Measure of Overtime |
Health or Safety Measure |
Statistical Methods Controls |
Results Reported by Authors |
| Akerstedt et al.2002 |
47,680 employed men and women beginning at age 16 (total cohort):
- Sweden |
Interviewed regularly for 20 y: work h/wk < 50 or > 50 |
Occupations fatality from Swedish Cause of Death Registry across 20 y |
- Cox regression survival analysis
- Covariates: demographics, sleep, other work characteristics |
No significant relationship reported between >50 h/wk and occupational fatality. |
| Lowery et al. 1998 |
2,140 airport construction contracts involving approximately 32,000 workers (men 95%):
- Employed 12/1990 to 8/1994
- Age R 15 - 60+
- United States |
Percent of payroll that was overtime by contract:
0%, >0% - 20%, > 20% |
4,634 paid workers' compensation claims to determine:
- Non-lost work time (non-LWT) injury rate
- Lost work time (LWT) injury rate |
Poisson regression |
- Numbers of LWT injuries were small and NS.
- Rate ratio for non-LWT injuries increased to 1.57 (CI 1.13 - 2.17) for contracts with > 20% overtime. |
| Simpson and Severson 2000 |
2,247 workers from one hospital:
- 155 injured and 2,092 non-injured
- Age not reported
- Women 81%
- United States |
From 1997 hospital records: hours worked < 2000; >= 2000 |
Hospital injury records in 1997: cut, fracture, sprain, amputation, etc. |
- Logistic regression
- Covariates: age, gender, ethnicity, job title, physical demand rating, work hours obtained from hospital records |
Working >= 2000 h/y increased risk for injury (OR 1.71, CI = 1.22 - 2.38).
|
