STS Hospital-level stroke surveillance in Chilumba, Malawi: providing tools for evaluating interventions in hypertension and stroke in sub-Saharan Africa Karonga
If Q 13.1(resmoke)Have you ever smoked cigarettes regularly (i.e. at least weekly)? =Formerly (stopped more than 6 months ago) or Current (in last 6 months) , for how many years did you smoke in total?