Table 1—

Characteristics of eligible clinical trials

StudyNo. of patientsDuration of intervention (months)Total contact time (h)Follow-up intervals (months)*Care delivered to the intervention group
Agurs-Collins, 1997 (78)646280, 3Additional care
Bloomgarden, 1987 (79)34519NR0UC
Brown, 1999 (49)24712NR0UC
Campbell, 1996 (38)23812NR−1, −1Additional care
de Bont, 1981 (29)1486NR0Additional care
de Weerdt, 1989 (39)5581126UC
d’Eramo-Melkus, 1992 (45)823140, 3UC
Estey, 1990 (80)602.510Additional care
Falkenberg, 1986 (28)463166Additional care
Franz, 1995 (57)2471.51.51.5, 4.5Additional care
Glasgow, 1995 (50)206913UC
Glasgow, 1992 (53)1022.5NR3UC
Hawthorne, 1997 (73)201NRNR6UC
Heller, 1988 (81)8767.5−1, 0, 6Additional care
Kaplan, 1985 (27)762.52015.5Additional care
Korhonen, 1987 (30)8012NR−1, −1, 0UC
Mazzucca, 1986 (31)53263.612UC
McCulloch, 1983 (41)446NR−1, 0Additional care
Mulrow, 1987 (42)12010NR1Additional care
Perry, 1997 (54)706NR0UC
Raz, 1988 (47)5112NR0UC
Ridgeway, 1999 (40)58690, 6UC
Scott, 1984 (55)601NR0UC
Trento, 1998 (82)1201240UC
Tu, 1993 (75)311NR1.5UC
Turnin, 1992 (56)105690UC
Uusitupa, 1993 (51)8627NR−1, 0UC
White, 1986 (48)416100Additional care
Wing, 1986 (32)5010NR−1, 3Additional care
Wing, 1988 (68)2010NR−1, 2Additional care
Wise, 1986 (43)88626UC
Total N4,263
  • *

    * Follow-up is from the last educator-patient contact;

  • additional = control group received an intervention in addition to usual care;

  • follow-up of (−1) indicates that the measurement occurred during the course of the intervention. NR, not reported; UC, usual care.