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Table 4 Paired comparison of RDS weights for three key study outcomes

From: Does size really matter? A sensitivity analysis of number of seeds in a respondent-driven sampling study of gay, bisexual and other men who have sex with men in Vancouver, Canada

  Crude RDS-I RDS-II RDS-SS RDS-II – RDS-I RDS-SS – RDS-I RDS-SS – RDS-II
  HIV-positive serostatus
Mean % (95% CI) 27.0 (12.3–39.3) 22.2 (10.3–31.9) 25.7 (10.7–36.3) 25.7 (10.7–36.3) 3.4 (−0.9–7.5) 3.4 (−0.9–7.5) 0.0 (−)
p-value      0.11 0.11 0.22
  Any high risk sex in past 6 months
Mean % (95% CI) 37.0 (32.2–41.9) 34.3 (26.7–41.4) 33.1 (25.3–39.4) 33.1 (25.3–39.4) −1.2 (−2.9–0.3) −1.2 (−2.9–0.3) 0.0 (0.0–0.1)
p-value      0.12 0.12 0.28
  Injected any drugs in past 6 months
Mean % (95% CI) 6.6 (2.6–11.3) 9.0 (2.3–14.0) 6.7 (1.8–11.7) 6.7 (1.8–11.6) −2.3 (−3.0–0.0) −2.3 (−3.0–0.0) 0.0 (−)
p-value      0.06 0.06 0.18