[Reasons for smoking cessation in Spain by gender and age].

Objective: To analyze gender- and age-related motivations among smokers wishing to quit.

Methods: We performed a multicenter cross-sectional study in 1,634 smokers attended by general practitioners and specialized physicians in Spain who, after being explicitly asked about their intention to quit smoking, expressed a desire to do so. Sociodemographic data, history of smoking and motivations for cessation were collected.