The personality trait most strongly associated with belief in astrology was narcissism. https://sciencedirect.com/science/article/pii/S0191886921007686…
Everyone knows that MBTI is pseudoscience, barely better than astrology - with too-vague descriptions and "well most of these sorta fit me" personality descriptions.
Well, you're only halfway right! Buckle up kids, I'm gonna take us on an overly-detailed steelman of MBTI.