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Interpretation of Historical Trends Data

Historical Trends (1975-2017)

Incidence, Iowa, Lung & Bronchus, All Races (incl Hisp), All Ages, Both Sexes

Incidence, Iowa, Lung & Bronchus, All Races (incl Hisp), All Ages, Both Sexes

Line graph with 43 years and 3 segments
During 1975-1988, the APC1 in the rate of cancer was rising: 2.9 with a 95% confidence interval from 2.4 to 3.3.
During 1988-2006, the APC1 in the rate of cancer was rising: 0.2 with a 95% confidence interval from 0.0 to 0.5.
During 2006-2017, the APC1 in the rate of cancer was falling: -1.1 with a 95% confidence interval from -1.5 to -0.7.
Yearly points:
In 1975, the observed rate was 46.4. The estimated rate was 46.1.
In 1976, the observed rate was 47.5. The estimated rate was 47.5.
In 1977, the observed rate was 47.2. The estimated rate was 48.8.
In 1978, the observed rate was 51.7. The estimated rate was 50.2.
In 1979, the observed rate was 52.7. The estimated rate was 51.6.
In 1980, the observed rate was 52.9. The estimated rate was 53.1.
In 1981, the observed rate was 53.9. The estimated rate was 54.6.
In 1982, the observed rate was 54.6. The estimated rate was 56.2.
In 1983, the observed rate was 57.8. The estimated rate was 57.8.
In 1984, the observed rate was 60.0. The estimated rate was 59.4.
In 1985, the observed rate was 61.0. The estimated rate was 61.1.
In 1986, the observed rate was 63.2. The estimated rate was 62.9.
In 1987, the observed rate was 65.3. The estimated rate was 64.7.
In 1988, the observed rate was 67.0. The estimated rate was 66.5.
In 1989, the observed rate was 65.7. The estimated rate was 66.7.
In 1990, the observed rate was 63.8. The estimated rate was 66.8.
In 1991, the observed rate was 66.5. The estimated rate was 67.0.
In 1992, the observed rate was 69.2. The estimated rate was 67.2.
In 1993, the observed rate was 67.9. The estimated rate was 67.3.
In 1994, the observed rate was 67.9. The estimated rate was 67.5.
In 1995, the observed rate was 66.7. The estimated rate was 67.6.
In 1996, the observed rate was 70.9. The estimated rate was 67.8.
In 1997, the observed rate was 69.2. The estimated rate was 68.0.
In 1998, the observed rate was 68.2. The estimated rate was 68.1.
In 1999, the observed rate was 67.6. The estimated rate was 68.3.
In 2000, the observed rate was 68.3. The estimated rate was 68.5.
In 2001, the observed rate was 66.4. The estimated rate was 68.6.
In 2002, the observed rate was 67.2. The estimated rate was 68.8.
In 2003, the observed rate was 70.2. The estimated rate was 68.9.
In 2004, the observed rate was 67.7. The estimated rate was 69.1.
In 2005, the observed rate was 70.8. The estimated rate was 69.3.
In 2006, the observed rate was 69.2. The estimated rate was 69.4.
In 2007, the observed rate was 68.8. The estimated rate was 68.7.
In 2008, the observed rate was 69.1. The estimated rate was 67.9.
In 2009, the observed rate was 68.5. The estimated rate was 67.2.
In 2010, the observed rate was 66.2. The estimated rate was 66.5.
In 2011, the observed rate was 63.9. The estimated rate was 65.8.
In 2012, the observed rate was 63.4. The estimated rate was 65.1.
In 2013, the observed rate was 63.7. The estimated rate was 64.4.
In 2014, the observed rate was 65.2. The estimated rate was 63.7.
In 2015, the observed rate was 64.7. The estimated rate was 63.0.
In 2016, the observed rate was 59.8. The estimated rate was 62.3.
In 2017, the observed rate was 62.8. The estimated rate was 61.6.

Notes: