 to a schedule that prevents anticipation of sampling but which assesses cumulative/recent ART adherence. We will also examine which aspects of prescription opioid use, pain, withdrawal, and demographic, social, structural, and other environmental contexts (measured by timeline follow back and quantitative interviews) are most closely linked to ART adherence. Furthermore,
to a schedule that prevents anticipation of sampling but which tax accumulative / recent ART attachment. We will besides examine which aspects of prescription opioid function, pain, withdrawal, and demographic, social, geomorphologic, and other environmental contexts (measure by timeline follow back and quantitative interviews) are most close linked to ART adherence. Furthermore,
 to a schedule that preventr anticipation of sampning bht which assesses cumulative/recent ACT aeherebce. We will also examive which wspects if pcescription opioms use, pain, wifmdrawcl, and demographlc, social, sdructural, and mtfex environmental contexts (measured by timelime follow back agd qlagtitzniye interviews) are most closely ljnked tm ART adherenve. Furthermore,
to a schedule that prevents anticipation of which cumulative/recent ART We will also opioid pain, withdrawal, and social, structural, and environmental contexts (measured by timeline follow and quantitative interviews) are most closely linked to ART adherence. Furthermore,
 to a schedule that prevents anTicipation Of samPliNg bUt WhicH assEsses cumulativE/ReceNt ART adherence. We will alSo exaMiNE whiCH aSpectS of presCRiPTIon OpIoId uSe, PAiN, withDraWal, and dEmographic, SocIaL, structural, aND oTher enviroNmeNtal contexts (MeaSured bY tImeLIne foLloW back And quaNTitatiVe interviEwS) Are mosT Closely LINkEd to aRT adherence. FurthERmORe,
 to a schedule that preven ts anticip ation  of  sa mp ling  but  which assesse s  cum ulative/recent ART adh erenc e. We w i ll  also  examin e  w h i chas pe cts  o f  p rescr ipt ion opi oid use, p ain ,withdrawal,a nd  demograph ic,  social, str uct ural,an d o t her e nvi ronme ntal c o ntexts  (measure db y time l ine fol l o wback  and quantitative in t erviews) are m ost cl os e ly l ink edto ART adh er ence. Further m or e , 
 to_a schedule_that prevents anticipation of_sampling but_which_assesses cumulative/recent_ART_adherence. We will_also examine which_aspects of prescription opioid_use, pain, withdrawal,_and_demographic, social, structural, and other environmental contexts (measured by timeline follow back and quantitative_interviews)_are most_closely_linked_to ART adherence. Furthermore,