Silly question: did they control for age? Please tell me they did, because, duh... older women have more cancer and dye their hair more. I don't have access

Silly question: did they control for age? Please tell me they did, because, duh... older women have more cancer and dye their hair more. I don't have access to the full paper, but the abstract makes no mention of this, and states they included women from 35-74.