Table 4

 Best single terms for sensitive searches for retrieving studies of occupational health interventions (specificity at least 50%)

Search strategy for PubMedSensitivity (%) (95% CI)Specificity (%) (95% CI)Precision (%) (95% CI)Accuracy (%) (95% CI)
*Truncation; tw, textwords (word in title, abstract, or keywords).
Intervention terms
    effect* [tw]75 (67.5 to 81.5)63 (62.3 to 64.1)2.7 (2.4 to 3.0)63 (55.7 to 71.2)
    control* [tw]66 (58.9 to 74.0)75 (74.0 to 75.6)3.5 (3.1 to 3.9)75 (67.7 to 81.6)
    evaluat* [tw]48 (40.3 to 56.4)84 (82.9 to 84.3)3.9 (3.5 to 4.2)83 (77.1 to 89.1)
    compare* [tw]40 (31.7 to 47.5)80 (79.0 to 80.5)2.6 (2.3 to 2.9)79 (72.7 to 85.7)
    program* [tw]35 (27.2 to 42.6)95 (94.4 to 95.2)8.4 (7.9 to 9.0)94 (90.2 to 97.8)
    outcome* [tw]32 (24.7 to 39.7)80 (79.4 to 80.9)2.2 (1.9 to 2.5)80 (73.0 to 86.0)
Occupational health terms
    work* [tw]71 (63.9 to 78.4)88 (87.4 to 88.7)7.5 (7.1 to 8.0)88 (82.6 to 93.1)
    occupation* [tw]57 (49.1 to 65.0)88 (87.7 to 88.9)6.3 (5.8 to 6.7)88 (82.6 to 93.1)
    prevention* [tw]46 (38.3 to 54.3)90 (89.5 to 90.7)6.0 (5.6 to 6.5)89 (84.6 to 94.4)
    pain* [tw]28 (21.0 to 35.4)93 (92.2 to 93.195.0 (4.6 to 5.4)92 (87.4 to 96.2)
    expos* [tw]25 (17.9 to 31.8)88 (87.7 to 89.0)2.8 (2.5 to 3.2)88 (82.2 to 92.8)
    protect* [tw]22 (15.5 to 28.8)97 (96.8 to 97.4)9.6 (9.0 to 10.1)96 (93.0 to 99.2)