Using the data in the table a. compute crude birth rates for 2005 and 2010 b. co

Question

Using the data in the table
a. compute crude birth rates for 2005 and 2010
b. compute crude death rates for 2005 and 2010
c. compute cancer mortality rates 2005 and 2010
d. Answer the following questions:
i. Did the infant death rates improve between 2005 and 2010?
ii. which conclusions can you draw about the demographic change in this population?
iii. Have efforts to prevent death from heart disease been successful in this population?

2005 2010 Population 248,710 262,755 Total 121,239 128,314 Male Female 127,471 134,441 Whites 208,704 218,086 Blacks 30,483 33,141 Number of live births 4,250 3,840 Number of infant deaths (birth to 1 year) 39 35 1,294 1,324 Number of total death Deaths from heart 378 363 disease Deaths from cancer 336 342

Explanation / Answer

a. Crude birth rate is defined as the ratio of difference between number of live births and number of deaths and the total population of that year mulitiplied by 1000. Crude birth rate for 2005: Number of live births in 2005 = 4250 Number of deaths = 1294 Total population = 248710 = [(4250-1294)/248710] * 1000 11.88 per 1000 people Crude birth rate in 2010: Number of live births in 2010 = 3840 Number of deaths = 1324 Total population = 262755 = [(3840-1324)/262755] * 1000 9.57 per 1000 people b. Crude death rate is defined as the ratio of total deaths to total population over an year multiplied by 1000. Crude death rate in 2005: Total deaths = 1294 Total population = 248710 Crude death rate = (1294/248710) * 1000 = 5.202 per 1000 people Crude death rate in 2010: Total deaths = 1324 Total population = 262755 Crude death rate = (1324/262755) * 1000 = 5.03 per 1000 people c. Cancer mortality rate is defined as the ratio of cancer deaths to the total population mulitplied by 100000. Cancer mortality rate in 2005: Total number of cancer deaths = 336 Total population = 248710 = (336/248710) * 100000 =135.09 per 100000 people. Cancer mortality rate in 2010: Total number of cancer deaths = 342 Total population = 262755 = (342/262755) * 100000 130.15 per 100000 people d. Comparison of infant mortality rates in 2005 and 2010. Infant mortality rate is the ratio of number of deaths of infant under one year of age to the number of live births mulitiplied by 1000. In 2005: Number of infant deaths under 1 year = 39 Number of live births = 4250 (39/4250)*1000 9.17 per 1000 infants In 2010: Number of infant deaths under 1 year = 35 Number of live births = 3840 (35/3840)*1000 9.11 per 1000 infants Infant birth rate has decreased from 2005 to 2010. The demographic change in this population is decreasing as the number of live births are decreasing and deaths are decreasing. Though cancer mortality rate is decreased, the infant mortality rate increased. The life expectancy has been reduced over the years. Heart diseases death prevention efforts: In 2005, 378 people died from heart disease, from a total population of 248710. The rate is (378/248710)*1000 = 1.51 per 1000 people. In 2010, 363 people died from heart disease, from a total population of 262755. The rate is (363/262755.)*1000 = 1.38 per 1000 people. Rate is decreased from 2005 to 2010. It means that the efforts to prevent deaths due to heart diseases are successful.

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