Definitely - reading, kimono and IT all used to influence what I wore. Reading - I remember Belladonna and also the Harry Potter books having an influence. Kimono - the neck-baring style and tubular silhouette always draw my eye in clothing. IT - no long nails, no bracelets, practical stuff.
However, since the arrival of my now-nearly-3-yaer-old, like abc I don't do any of my hobbies any more and I have become very Generic Mum. My non-work wardrobe mainly reflects my toddler chasing, dog walking and my increasing waistline, alas.