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Table 1 Differences in treatment vs control groups. \(\Delta\) denotes the percent difference between treatment and control. p is the p-values when significance is evaluated with Wilcoxon paired tests

From: Re-analysis on the statistical sampling biases of a mask promotion trial in Bangladesh: a statistical replication

  Intervention effect Intervention effect for Intervention effect for
    Surgical masks Cloth masks
  \(\Delta\) p \(\Delta\) p \(\Delta\) p
Mapped households       
      Number 4.5% 7.2e−03 5.4% 5.6e−03 2.9% 4.5e−01
Reached households       
      Fraction 2.8% 1.6e−12 2.6% 1.4e−07 3.1% 1.6e−06
Households consented       
      Fraction 0.13% 1.2e−01 0.16% 1.2e−01 0.06% 7.3e−01
Consenting population       
      Size 8.6% 5.2e−06 9.5% 4.8e−05 6.9% 2.5e−02
Sympto. seropositive       
      Rate − 8.7% 2.4e−01 − 9.4% 3.8e−01 − 7.0% 4.6e−01
      Count − 1.8% 9.7e−01 − 2.3% 1.0e00 − 6.0% 9.3e−01
Symptomatic       
      Rate − 10% 4.2e−03 − 11% 1.7e−02 − 8.3% 1.1e−01
      Count − 3.8% 4.2e−01 − 3.7% 4.3e−01 − 3.9% 7.1e−01
Social distancing       
      Rate 22% 2.2e−16 25% 4.4e−18 17% 2.6e−06
Mask wearing       
      Rate 220% 1.8e−48 240% 6.6e−33 190% 3.0e−17