Kids, Dinner, Washing, Bills, Kids functions, sports, clubs, sleep, private time for some loved personal things such as artistic outlet / expression, husband, boyfried, girl-friend, alone, time.
Mmmm, dunno that any of those might be a factor if in fact there are any less female artistic types in the world than male.
But it sure does indicate there might be a bit of a balance issue when it comes to time for such things as being online, or what have you.
I know that is not all women, or men for that matter. But it is a larger number of women with such tasks all rolled into 24 hours for those who happen to not be in the artistic industries.
Many women write poems, are writing a journal, drawing, painting, sculpting ( or doing ceramics if that is all the time they have or chosen medium ) when they get a chance and never show anyone outside of a few people.
It is kind of weird, but being male I can related to it because of my back ground. I pretty much close that part of myself off to others and only let the most trusted near it. I do in fact draw and paint and also have a number of cameras that I make use of. But seldomly do I share anything beyond my wife..
well seesh this is a hell of an answer isn't it...
Mmmm after that long drug out foolery, in a word:
Time