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. 2007 Mar;5(2):135–142. doi: 10.1370/afm.650

Table 1.

Characteristics of Participating Practices

Characteristic Total No. Interventin No. Control No. PValue
Recruited, No. 87 43 44
Location, No. .69*
    Southeast Michigan 16 9 7
    Mid-Michigan 23 10 13
    Southwest Michigan 17 10 7
    Northern Michigan 31 14 17
Size of community, No. .83*
    <5,000 10 6 4
    5,000–10,000 7 3 4
    10,000–25,000 26 12 14
    25,000–100,000 23 10 13
    >100,000 21 12 9
Proximity to major city, No. .76*
    Not within 25 miles 29 15 14
    Within 25 miles 58 28 30
Practice type, No. .72*
    Solo 13 6 7
    2-person 16 6 10
    Group practice 37 20 17
    Multispecialty group practice 21 11 10
Patients aged >65 years, mean % (SD) 24.7 (17.8) 21.0 (15.4) .34
Patients white, non-Hispanic, mean % (SD) 78.0 (23.6) 82.2 (19.0) .38
Patients uninsured / Medicaid, mean % (SD) 19.5 (18.4) 23.3 (20.2) .40
Estimated smoker visits per quarter, total No. 22,163 23,537

* χ2 test.

t test.

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