Journal of Rehabilitation Medicine 51-9 | Page 7

631 Table III. Cont Study (Authors, Participants (sample years, design, size, population, sex, country) age) Diagnostic criteria Prevalence/ incidence Reported as significant risk factor(s) Reported statistics Male: 6.6% prevalence Age Roquelaure et al. (44) n=3,710 Physical examination: 2011 Working population Male=2,161; Female=1,549 Intermittent pain in shoulder Female: 8.5% region, worsened by active prevalence elevation movement, currently or for ≥4 days during the preceding 7 days Cross-sectional France Mean age, years= 38.7±10.3 Silverstein et al. n=733 (45) Healthcare and 2009 manufacturing workers Cross-sectional Male=383; Female=350 USA Mean age, years: Male=41.7±10.0 Female=37.4±11.4 ≥1 positive tests of resisted shoulder abduction, external or internal rotation; resisted elbow flexion; painful arc Physical examination: Shoulder pain in the last seven days; occurring more than 3 times or lasting more than 1 week in previous 12 months Positive tests of resisted shoulder abduction, external rotation, internal rotation or painful arc Diabetes mellitus High repetitiveness of the task (≥4 h/day) High perceived work load Sustained or repeated arm abduction (≥2 h/day) High psychological demand Low decision authority Male: n=30 (7.8% prevalence) Female: n=25 (7.1% prevalence) Work organization: rotation Frequency of forceful exertions ≥5 vs <1 times/minute Duty cycle of forceful exertions ≥3–14 vs <3% time Pinch grip force Lifting force Upper arm extension ≥5° or flexion ≥45° Upper arm flexion ≥45° and pinch grip force Silverstein et al. Cases: n=733 (46) Healthcare and 2008 manufacturing workers Cross-sectional Male=383; Female=350 USA Mean age, years=39.5±11.0 Physical examination: Male: OR 1.07, 95% CI 1.05–1.09; Female: OR 1.08, 95 % CI 1.06–1.10 Female: OR 2.9, 95 % CI 1.0–8.6 Male: OR 1.6, 95% CI 1.0–2.4; Female: OR 1.7, 95% CI 1.1–2.5 Male: OR 2.0, 95% CI 1.3–3.1 >90° in male: OR 2.3, 95% CI 1.3–3.9, p=0.002; >60° in female: OR 3.6, 95% CI 1.8–7.3, p<0.001 Male: OR 1.7, 95% CI 1.2–2.5 Female: OR 6.68, 95% CI 1.81–24.66 Female: OR 2.40, 95% CI 1.05–5.51 Physical load: Upper arm flexion ≥45° Risk factors for rotator cuff tendinopathy Female: OR 3.35, 95% CI 1.19–9.42 Female: OR 3.16, 95% CI 1.06–9.44; Male: OR 3.16, 95% CI 1.09–9.17 Female: OR 3.04, 95% CI 1.32–7.01 Female: OR 3.76, 95% 1.46–9.68 Female: OR 3.12, 95% CI 1.27–7.68 Female: OR 6.16, 95% CI 1.76–21.57 Female: OR 7.06, 95% CI 1.94–25.66 Female: OR 2.83, 95% CI 1.16–6.88 Vibration and pinch grip force n=75 (7.5% prevalence) Physical load: Shoulder pain in the last seven days; occurring more than 3 times or lasting more than 1 week in previous 12 months Frequency of forceful exertions ≥5 vs <1 OR 2.02, 95% CI 1.01–4.07 OR 2.16, 95% CI 1.22–3.83 Positive tests of resisted shoulder abduction, external rotation, internal rotation or painful arc Duty cycle of forceful exertions ≥3–14 vs <3% time Upper arm flexion ≥45° Upper arm flexion ≥45° and duty cycle of forceful exertion OR 3.27, 95% CI 1.52–7.02 OR 2.59, 95% CI 1.12–6.01 OR 2.75, 95% CI 1.32–5.73 OR 2.21, 95% 1.09–4.49 Upper arm flexion ≥45° and pinch grip force OR 2.41, 95% CI 1.18–4.94 Upper arm extension ≥5° or flexion ≥45° and pinch grip force OR 1.99, 95% CI 1.09–3.61 Upper arm flexion or abduction ≥45° and duty cycle of forceful exertion Work organization: Stenlund et al. (47) n=207 Physical examination: 1993 Construction industry workers Cross-sectional Sex not reported Sweden Mean age, years: Pronounced palpable pain of the muscle attachment or pronounced pain reaction to isometric contraction in any of the four rotator cuff muscles Rock-blasters: Left: n=18 (32.7 % prevalence; Right: n=22 (40.0% prevalence Left: n=6 (11.1% prevalence); Right: n=8 (14.8% prevalence) Foremen=45.8±10.2 Foremen: Sutinen et al. (48) 2006 n=52 Physical examination: Left: n=8 (8.2% prevalence); Right: n=17 (17.1% prevalence) Right: 19% prevalence Cross-sectional Forestry workers All male History of painful arch and intermittent pain Finland Svendsen et al. (49) 2004 Cross-sectional Denmark Age not reported n=1,886 Machinists (n=529), Car mechanics (n=599), house painters (n=758) ≥1 positive tests of resisted shoulder abduction, Jobe’s test, painful arc All male ≥1 positive tests of Hawkin’s test, abduction internal rotation test Machinists: 46.3±9.8 Lifelong vibration work OR 1.04, 95% CI 1.00–1.07 Age: 60–70 OR 3.92, 95% CI 1.05–5.42 Upper arm elevation >90° for 6–9% of working hours OR 4.7, 95% CI 2.07–10.68 Left: 14% prevalence Tenderness to palpation in the shoulder region ≥1 positive tests of resisted shoulder abduction or external rotation; painful arc Physical examination: Mean age, years: Left side: OR 1.84, 95% CI 1.10–3.07; Right: OR 1.66, 95% CI 1.06–2.61 Bricklayers: Bricklayers=50.2±11.4 Rock-blasters=51.8±11.6 Low job control/ decision authority Vibration Machinists: 2% prevalence Car mechanics: 1.4% prevalence House painters: 4.4% prevalence High job demand OR 3.19, 95% CI 1.62–6.31 Car mechanics: 45.0±8.4 House painters: 48.4±9.2 J Rehabil Med 51, 2019