If I am employed (4 days/week) with a W2 but not given health insurance and self employed with a 1099 (part of the week) can I deduct health insurance that I purchase

To clarify
4 days a week work for employer get W2 no health insurance (relief worker)
1 day a week to 1 day a month (part time) 1099 paid to do work but self employed in the state. I would be a sole proprietor.