Potential predictors of shoulder pain
| Individual factors: |
| Sex |
| Age (classified into four categories)1-150 |
| Body mass index (weight/height2, classified into four categories)1-150 |
| Mental stress (classified into four categories)1-150 |
| Smoking (non-, ex-, current smoker) |
| Previous shoulder injuries (yes/no) |
| Work related factors: |
| Repetitive work (h/day, four categories) |
| Hand-arm vibration (h/day, four categories) |
| Daily lifting of loads (index, classified into five categories) |
| Amount of twisting movements of the trunk during a workday (classified into three categories)1-150 |
| Working with the trunk flexed forward (h/day, four categories)1-150 |
| Working with a hand above shoulder level (h/day, classified into three categories)1-150 |
| Working with rotated neck (h/day, three categories)1-150 |
| Working in sitting position (h/day, three categories)1-150 |
| Physical strenuousness of work (classified into three categories)1-150 |
| Overload at work (difficulty at work, hurry at work, scoring of both 1–5, sum score variable, classified into three categories)1-150 |
| Risk of accident at work due to tripping, slipping, climbing stairs, etc. (classified into three categories) |
| Frequency of physical exercise (times/week, classified into three categories) |
| Sports activity (added score variable, classified into three categories)1-150 |
| Different types of sports: (indices, classified into three categories) |
| Jogging, orienteering, competition walking1-150 |
| Walking |
| Bicycling |
| Cross country skiing, biathlon, skating1-150 |
| Swimming, water polo |
| Trekking, hunting |
| Dancing1-150 |
| Keep fit weight lifting, competition weight lifting, body building |
| Gymnastics, aerobic dance |
| Downhill skiing |
| Tennis, squash, badminton |
| Basketball, European football (soccer), floorball |
| Ice hockey, bandy |
| Volleyball |
| Other modes |
↵1-150 Variables with significance (at 5% level) in exploratory analyses.