Cerina-Cognitive Behavioral Therapy-Based Mobile App for Managing Generalized Anxiety Disorder Symptoms Among University Students: Results From a Pilot Feasibility Randomized Controlled Trial.

The intention-to-treat analyses confirmed significant group differences in GAD (mean 8.47, SD 2.7; t 156 =–2.23; P =.03; d =–0.4), and there were marginally nonsignificant group differences in worry symptoms (mean 41.5, SD 8.40; t 156 =–1.94; P =.05; d =–0.3) in favor of the intervention group at posttest with medium effect sizes.

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Even though receiving psychological support at baseline showed a slight trend toward improving secondary outcomes, all support measures (ie, professional support, psychological support from the informal network, and helpfulness of the professional support) generally showed weak correlations with the improvements in secondary outcomes.

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