Table 1.
Measure | At baseline enrollment | Beginning of every scheduled shift | Every 4 hrs during scheduled shifts | End of every scheduled shift | Subject reports an injury (at end of shift, or at any time) | At 90-days end of study |
---|---|---|---|---|---|---|
Demographic survey |
X |
|
|
|
|
|
Pittsburgh Sleep Quality Index (PSQI) |
X |
|
|
|
|
X |
Chalder Fatigue Questionnaire (CFQ) |
X |
|
|
|
|
X |
Schedule Attitudes Survey (SAS) |
X |
|
|
|
|
X |
Occupational Fatigue, Exhaustion, Recovery Scale (OFER) |
X |
|
|
|
|
X |
Sleep, Fatigue, Alertness Behavior Survey (SFAB) |
X |
|
|
|
|
X |
Hours of sleep in past 24 hours |
|
X |
|
|
|
|
Rate sleepiness now |
|
X |
X |
X |
|
|
Rate fatigue now |
|
X |
X |
X |
|
|
How difficult is it to concentrate now |
|
X |
X |
X |
|
|
Estimate total number of patients you saw during your shift |
|
|
|
X |
|
|
Were you injured during your shift? |
|
|
|
X |
X |
|
Describe the type of injury and body part affected* |
|
|
|
X* |
X* |
|
Rate sleepiness at time of injury* |
|
|
|
|
X* |
|
Rate fatigue at time of injury* |
|
|
|
|
X* |
|
How difficult was it to concentrate at time of injury* |
|
|
|
|
X* |
|
Intervention group only
a
|
|
|
|
|
|
|
During your shift, did you take a nap, drink caffeine, stretch or exercise, or talk to your partner to stay alert? |
|
|
|
X |
|
|
What strategy did you adopt? |
|
|
|
X |
|
|
Did it help reduce your fatigue or sleepiness? | X |
*if subject reports an injury.
aThese measures are administered to the intervention group when a subject reports a high level of sleepiness, fatigue, or difficulty concentrating at the beginning or during shift assessments.