Table 2.

Characteristics of Physicians (N = 91)

Group
CharacteristicTotal Sample (N=91)Immediate Test Ordering (n=33)Watchful Waiting (n=29)Watchful Waiting+QI (n=29)
QI=quality improvement; CME=continuing medical education.
a Out of 4 possible topics: unexplained complaints, physician-patient communication, time management, and diagnostic testing.
Age, mean (SD), years45 (7.3)47 (5.8)44 (7.2)45 (8.8)
Sex, No. (%) male67 (74)26 (79)17 (59)24 (83)
Experience as a primary care physician, mean (SD), years13 (8.7)14 (7.1)11 (8.4)14 (10.4)
Practice type, No. (%) solo34 (37)9 (27)15 (52)10 (34)
Practice region, No. (%) in western region44 (48)19 (58)11 (38)14 (48)
Practice location, No. (%)
    Urban45 (50)15 (47)15 (52)15 (52)
    Semirural11 (12)4 (13)5 (17)2 (7)
    Rural34 (38)13 (41)9 (31)12 (41)
Number of topics done during CME, mean (SD)a1.9 (1.6)1.9 (1.6)2.3 (1.1)1.5 (1.6)
Number of available laboratory tests in own practice, mean (SD)2.4 (1.1)2.4 (1.2)1.9 (1.0)2.6 (0.9)