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Effectiveness of an Internet-Based Self-Guided Program to Treat Depression in a Sample of Brazilian Users: Randomized Controlled Trial

Effectiveness of an Internet-Based Self-Guided Program to Treat Depression in a Sample of Brazilian Users: Randomized Controlled Trial

Group differences in demographic data and pretreatment measures were tested with independent 2-tailed samples t tests and chi-square tests, where the variables consisted of nominal data. Following the intention-to-treat (ITT) principle, data from all randomized participants were analyzed. ITT analyses were conducted using linear mixed models, which are widely used in this field of research and have been recommended because of their ability to estimate the missing data accurately [54,55].

Rodrigo T Lopes, Gustavo Chapetta da Rocha, Maria Adriana Svacina, Björn Meyer, Dajana Šipka, Thomas Berger

JMIR Form Res 2023;7:e46326