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Table 2 Frequencies, response rates, and overall response gain by treatment group at the end of each stage

From: An experimental comparison of web-push vs. paper-only survey procedures for conducting an in-depth health survey of military spouses

  Web-push (n = 2,472) Paper Only (n = 2,463) p-value
  n Response rate (%) Gaina n Response rate (%) Gaina
Stage 1 307 12.4   282 11.5   0.294
Stage 2 612 24.8 12.3 544 22.1 10.6 0.027
Stage 3 811 32.8 8.1 684 27.8 5.7 <0.001
  1. aRepresents the percentage point increase from the previous stage