Table 2

Subgroup analyses of change in consultation rate before and after the launch of the website in March 2012

SubgroupsConstant*Preintervention slopePostintervention slopeSlope changep Value
Male218.0360.558−0.551−1.1090.004
Female325.2621.066−1.037−2.103<0.001
Age <16202.665−0.083−0.647−0.5630.37
Age 16–40229.4940.533−0.713−1.245<0.001
Age 41–70297.0840.881−0.873−1.754<0.001
Age >70462.4952.545−1.604−4.149<0.001
Low SES277.0381.302−0.914−2.2160.001
Intermediate SES277.7560.608−0.620−1.228<0.001
High SES259.9880.692−0.897−1.589<0.001
  • Values are presented as consultations/1000 patients/month.

  • *Consultation rate at t=0.

  • SES, socioeconomic status.