Annual Low Back Symptom Frequency > 0 | Measured whether there was any employee-reported low back pain [every day for a week (7 days) or more) in the past 12 months] on the modified Nordic assessment survey modules. |
Annual Low Back Symptom Frequency > 0 | Measured whether there was any employee-reported low back pain [every day for a week (7 days) or more) in the past 12 months] on the modified Nordic assessment survey modules. |