Table 1 Treatment description.

From: A field experiment to improve initial patient engagement for hypertension prevention in South Korea

Treatment

Design parameter (DP)

Use of SMS (DP1)

Customization of phone conversation (DP2)

Treatment 1

L1. No SMS

L1. Standardized conversation

Treatment 2

L2. With SMS

L1. Standardized conversation

Treatment 3

L2. With SMS

L2. Customized conversation