Table 1.

Returned Forms With Any Errors of Omission, by Site and Type of Form

SitePaper No. (%)Electronic No. (%)
NA = not applicable.
Note: Not all sites returned 60 forms as specified in the protocol.
a Handheld computer was lost/stolen before data collection.
b No paper forms were returned because of staffing difficulties.
c Handheld computer was lost/stolen after data collection.
Paper-first group
    A3/30 (10)2/22 (9)
    D2/30 (7)1/30 (3)
    E10/30 (33)2/20 (10)
    F6/30 (20)1/28 (4)
    H9/30 (30)0/30 (0)
    J20/29 (69)0/4 (0)
    O3/30 (10)2/29 (7)
    P1/30 (3)1/31 (3)
    R30/30 (100)1/25 (4)
    S6/30 (20)1/32 (3)
    Total90/299 (30)11/251 (4)
Electronic-first group
    B4/30 (13)0/30 (0)
    C18/32 (56)NAa
    G30/30 (100)0/30 (0)
    I17/24 (71)1/28 (4)
    KNAb0/32 (0)
    L8/30 (27)0/32 (0)
    M2/30 (7)2/33 (6)
    N11/30 (37)NAc
    Q6/32 (19)1/30 (3)
    Total96/238 (40)4/215 (2)
Overall total186/537 (35)15/466 (3)