1. Module 5: Bar Chart This module focuses on the bar chart, one of the more common types of graph used in public health. Reviewed 15 April 05 /MODULE 5

2. A Typical Bar Chart Source: Am J Public Health, Mar. 2003;93:440

3. Characteristics of Bar Charts • Consist of horizontal or vertical bars with a space between bars • Ideal for nominal and ordinal scales • Avoid numbers at top or end of bars • Avoid scale breaks

4. Source: Am J Public Health, May 2004;94:760

5. Source: Am J Public Health, May 2004;94:793

6. Source: Am J Public Health, May 2004;94:872 7

8. Source: Am J Public Health, Mar. 2004;94:386

9. Source: Am J Public Health, Mar. 2004;94:386

10. Source: Am J Public Health, Dec. 2003;93:2034

11. Source: Am J Public Health, July 2000;90:1068

12. Source: Am J Public Health, July 2000;90:1068

13. Source: Am J Public Health, July 2000;90:1068

14. Bar Chart with Scale Break

15. Bar Chart with Scale Break

16. Bar Chart without Scale Break

17. Bar Chart with Scale Break

18. Bar Chart with Scale Break

19. Bar Chart without Scale Break

20. Source: Am J Public Health, May 2003;93:772

21. Source: Am J Public Health, May 2003;93:772

22. Source: Am J Public Health, Dec. 2003;93:2121

23. Source: Am J Public Health, June 2004;94:1050

24. Source: Am J Public Health, June 2004;94:1050