LRRK2 and Parkinson disease: Idiopathic PD was less common in women (342 women of 889 participants [38.5%]) compared with GBA PD (58 women of 128 participants [45.3%]), LRRK2 PD (78 women of 155 participants [50.3%]), and LRRK2/GBA PD (78 women of 155 participants [57.1%]).