Extended Data Table 7.

Results from subgroup analyses testing for the effect modification between prespecified variables and treatment arm at 3 and 5 months for the primary and secondary outcomes of improvement from depressive symptomatology using complete data only

OR, odds ratio; PHQ-9: 9-item Patient Health Questionnaire.

^aAll P values reported are based on two-sided Wald tests, with no adjustments for multiple tests.

^bORs and 95% CIs were calculated using logistic regression models adjusted for sex, age group and baseline severity of PHQ-9 (categorical).