Table 3A.

Infant Utilization*

PrePost
1995
n= 313
P for
Trend
Pfor
ROLOS
Minimum
Difference
1992
n= 328
1993
n = 315
1994
n = 359
Total infant utilization1.64 (1.52)2.01 (1.15)1.90 (1.80)2.79 (2.00).06<.001.34
Well-child visits.84 (.61).93 (.46).85 (.52).98 (.52).94.04.14
Urgent visits.09 (.31).13 (.35).11 (.37).13 (.40).55.72.07
Telephone calls.45 (.87).50 (.84).53 (.98).90 (1.21).25<.001.19
Home visits.07 (.27).12 (.35).12 (.39).40 (.51).10<.001.06
TABLE 3B. Maternal Utilization*
PrePost
1995
n= 313
P for
Trend
Pfor
ROLOS
Minimum
Difference
1992
n= 328
1993
n = 315
1994
n = 359
Total maternal utilization1.64 (1.52)2.01 (1.15)1.90 (1.80)2.79 (2.00).18<.001.34
Routine visits.31 (.58).25 (.44).34 (.50).50 (.60).54<.001.13
Urgent visits.05 (.23).01 (.12).02 (.15).05 (.24).03.011.05
Telephone calls.21 (.55).24 (.53).34 (.70).85 (1.08).02<.001.12
Home visits.08 (.28).09 (.29).11 (.31).63 (.48).27<.001.06
  • * Mean number of infant utilization events in the first three weeks postpartum (standard deviation).

  • Minimum difference detectable with beta error of 0.2 and two tailed alpha error of 0.05.