Marijuana Initiation in 2 American Indian Reservation Communities: Comparison With a National Sample
Nancy Rumbaugh Whitesell, PhD,
Janette Beals, PhD,
Christina M. Mitchell, PhD,
Douglas K. Novins, MD,
Paul Spicer, PhD,
Joan OConnell, PhD and
Spero M. Manson, PhD
Nancy Rumbaugh Whitesell, Janette Beals, Christina M. Mitchell, Douglas K. Novins, Paul Spicer, Joan OConnell, and Spero M. Manson are with the American Indian and Alaska Native Programs, University of Colorado at Denver and Health Sciences Center.
FIGURE 1—Marijuana initiation hazard curves for those born from 19441959 in the Northern Plains (NP) and Southwest (SW) tribes and a national sample: American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project (AI-SUPERPFP), 19971999, and the National Comorbidity Survey (NCS), 19901992.
FIGURE 2—Marijuana initiation hazard curves for those born from 19601976 in the Northern Plains (NP) and Southwest tribes (SW) and a national sample: American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project (AI-SUPERPFP), 19971999, and the National Comorbidity Survey (NCS), 19901992.