Part 1: Direct Adjustment of Rates:
Incidence of Accidental Injuries among Adolescents in
Meadville and Barton
Table 1: Numbers of
Unintentional (Accidental) Injuries Among Populations of
Adolescents and Young Adults of Meadville and Barton
Meadville
Barton
Age
Population
No. Injuries
Age Specific Rate %
Population
No. Injuries
Age Specific Rate %
15-19
200
14
1,000
20
20-24
1,200
36
100
14
25-29
800
12
400
12
All Ages
2,200
62
1,500
46
Meadville and Barton are two small
communities in the Northeast.
Table 2: Direct Age Adjustment for
Meadville
Age Group
Number of People in the Standard Population
Age-Specific Incidence Rates for Meadville
%
Age-Specific Incidence Rates for Meadville in Decimal
Form
Number of Expected Accidental Injuries
15-19
20-24
25-29
Total
Table 3: Direct Age Adjustment for Barton
Age Group
Number of People in the Standard Population
Age-Specific Incidence Rates for Meadville
%
Age-Specific Incidence Rates for Meadville in Decimal
Form
Number of Expected Accidental Injuries
15-19
20-24
25-29
Total
Table 4: Crude and Age-Adjusted Rates (%)
Community
Crude Incidence Rate for Accidents
(Ages 15-29)
Age-Adjusted Incidence Rate for Accidents
(Ages 15-29)
Meadville
Barton
Expert Answer
Part 1: Direct Adjustment of Rates: Incidence of Accidental Injuries among Adolescents in Meadville and Barton Table 1:
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