Treatment duration was not associated with any adverse effects or adherence to the counseling regimen , but participants in the maintenance treatment arm reported lower adherence to the nicotine patch regimen compared with those in the standard and extended treatment arms ( mean [ SD ] , 3.94 [ 2.5 ] , 4.61 [ 2.0 ] , and 4.7 [ 2.4 ] patches/wk , respectively ; F2 ,522 = 6.03 ; P = .003 ) .