Observational study of audio-recorded conversations between @ adolescents ( mean age , @ years ; @ % female ; @ % white ; @ % African American ) and @ physicians ( @ % pediatricians ; @ % white ; @ % female ; mean age , @ years ; mean -LSB- SD -RSB- duration in practice , @ -LSB- @ -RSB- years ) coded for sexuality content at @ clinics ( @ academic and @ community-based practices ) located throughout the Raleigh/Durham , North Carolina , area .