  This paper presents our system employed for the Social Media Mining for
Health 2023 Shared Task 4: Binary classification of English Reddit posts
self-reporting a social anxiety disorder diagnosis. We systematically
investigate and contrast the efficacy of hybrid and ensemble models that
harness specialized medical domain-adapted transformers in conjunction with
BiLSTM neural networks. The evaluation results outline that our best performing
model obtained 89.31% F1 on the validation set and 83.76% F1 on the test set.
