Lasting Effects of Workplace Strength Training for Neck/Shoulder/Arm Pain among Laboratory Technicians: Natural Experiment with 3-Year Follow-Up

Figure 6

Most frequently used training equipment for neck, shoulder, and arm training throughout the natural experiment (private company: 𝑛=333 and public company: 𝑛=140). The two companies differed in the usage of training equipment (𝑃=0.002).