No significant associations between obesity and thyroid autoantibodies (OR 1.198, 95% CI 0.880 to 1.630, p = 0.251) or TPO-Ab (OR 1.215, 95% CI 0.839 to 1.759, p = 0.304) were found in the univariate analysis. Here, TPO is linked to obesity due to melanocortin 4 receptor deficiency.