II. Methods

Tribal Reservation Selection
Site Selection
Data Collection

Observers
Scheduling
Observations

Calculation of Overall Safety Belt Usage Rate and Variability

Overall Rates
The Standard Error of the Overall Safety Belt Use Rate

III. Results

Areas
Belt Use Laws

IV. Discussion

Appendix A. Safety Belt Observation Instructions

Appendix B. Native American Safety Belt Observation Data Collection Form

Appendix C. “Native American Sites” Reservations with 2000+ Population

Appendix D. “Native American Sites” Reservations with Less Than 2000 Population

List of Tables
Table Number

1. “Native American Sites” Area Distribution of Tribal Reservations and Population
2. Final Sample of 18 Tribal Reservations
3. Observation Sample Overview
4. Safety Belt Use, by Vehicle, Occupant, Area, and Road Type

List of Figures
Figure Number

1. Native American Areas