Table 4 Comparison structure and statistical analysis by response variable.
From: A field experiment to improve initial patient engagement for hypertension prevention in South Korea
Response variable (RV) | Design parameter (DP) | Comparison groups | Analysis method |
|---|---|---|---|
RV1. Phone reception rate | DP1: Use of SMS | Treatment 1 vs. Treatment 2 and 3 | Chi-squared test |
RV2. Health center visit rate | DP1: Use of SMS | Treatment 1 vs. Treatment 2 | Fisher’s exact test |
DP2: Customization of phone conversation | Treatment 2 vs. Treatment 3 | Chi-squared test | |
RV3. Patient satisfaction of the phone conversation | DP2: Customization of phone conversation | Treatment 1 and 2 vs. Treatment 3 | Two-sample t-test |
