Table 6

 Optimal combinations for sensitive (specificity at least 50%) and specific (sensitivity at least 50%) searches for retrieving studies of occupational health interventions

Search strategy for PubMedSensitivity (%) (95% CI)Specificity (%) (95% CI)Precision (%) (95% CI)Accuracy (%) (95% CI)
*Truncation; tw, text words (word in title, abstract, or keywords); ti, title; sh, subheading.
Most sensitive search strategy
    (effect* [tw] OR control* [tw] OR evaluation* [tw] OR program* [tw]) AND (work* [tw] OR occupation* [tw] OR prevention* [tw] OR protect* [tw])89 (84.3 to 94.2)78 (77.3 to 78.8)5.3 (4.9 to 5.7)78 (71.6 to 84.8)
Most specific search strategy
    (program [tw] OR “prevention and control” [sh]) AND (occupational [tw] OR worker*) [tw]47 (39.0 to 55.0)98 (97.9 to 98.4)26.2 (25.4 to 27.0)98 (95.0 to 100.0)