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      2018 Archived National Asthma Data
        2018 Archived National Asthma Data
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            These tables feature the national and state statistics on the burden of asthma among children and adults previously published on the Most Recent Asthma Data website. The data are from national and state surveillance systems administered by the Centers for Disease Control and Prevention (CDC). Links to sources are provided with each table to assist with finding additional information on the data and relevant tables and reports.
            Archived National Data
                  PrevalenceAsthma AttacksHealth Care UseMortality
                          National
                          Current Asthma1 Prevalence (2018)
                          National Current Asthma Prevalence (2018)
                            Characteristic2                                  Weighted Number with Current Asthma1  Percent (SE)
                            Total                                            24,753,379                            7.7 (0.20)  
                            Child (Age <18 years)                            5,530,131                             7.5 (0.37)  
                            Adult (Age 18+ years)                            19,223,248                            7.7 (0.22)  
                            All Age Groups                                 
                            0–4 years                                        744,172                               3.8 (0.49)  
                            5–14 years                                       3,552,191                             8.6 (0.56)  
                            15–19 years                                      2,204,217                             11.0 (0.93) 
                            20–24 years                                      1,741,490                             8.1 (0.93)  
                            25–34 years                                      2,895,111                             6.5 (0.49)  
                            35–64 years                                      9,587,682                             7.7 (0.30)  
                            65+ years                                        4,028,516                             7.8 (0.40)  
                            Child Age Group                                
                            0–4 years                                        744,172                               3.8 (0.49)  
                            5–11 years                                       2,349,889                             8.1 (0.60)  
                            12–17 years                                      2,436,070                             9.9 (0.73)  
                            Young Teens (12–14 years)                        1,202,302                             9.8 (1.15)  
                            Teenagers (15–17 years)                          1,233,768                             10.0 (0.91) 
                            Adolescents (11–21 years)                        4,601,301                             10.3 (0.65) 
                            Young Adults (22–39 years)                       5,102,853                             6.5 (0.36)  
                            Sex                                            
                            Males                                            9,786,413                             6.2 (0.25)  
                            Boys (Age <18 years)                             3,121,842                             8.3 (0.54)  
                            Men (Age 18+ years)                              6,664,571                             5.5 (0.27)  
                            Females                                          14,966,966                            9.1 (0.29)  
                            Girls (Age <18 years)                            2,408,289                             6.7 (0.52)  
                            Women (Age 18+ years)                            12,558,677                            9.8 (0.33)  
                            Poverty Level3                                 
                            Below 100% of the poverty threshold              4,432,695                             10.8 (0.60) 
                            100% to less than 250% of the poverty threshold  7,069,790                             8.1 (0.40)  
                            250% to less than 450% of the poverty threshold  6,028,021                             7.3 (0.40)  
                            450% of poverty threshold or higher              7,222,873                             6.5 (0.32)  
                            Note: NH = Non-Hispanic, SE = Standard Error
                            1Includes persons who answered "yes" to the questions: "Have you EVER been told by a doctor or other health professional that you had asthma?" and "Do you still have asthma?"
                            2Numbers within selected characteristics may not sum to total due to rounding
                            3Poverty level is based on family income and family size using the U.S. Census Bureau's poverty thresholds.
                            Source: 2018 National Health Interview Survey (NHIS) Data, Table 3-1 and Table 4-1 (Note: Some Child Age Group data analyzed separately)
                            Current Asthma1 Prevalence by Race and Ethnicity (2016-2018)
                            Current Asthma1 Prevalence by Race and Ethnicity (2016-2018)
                              Race/Ethnicity                        Total         Child                                 Adult       
                              Weighted Number with Current Asthma1  Percent (SE)  Weighted Number with Current Asthma1  Percent (SE)  Weighted Number with Current Asthma1  Percent (SE)
                              White NH                              15,496,008    8.0                                   2,560,627     6.8                                   12,935,381    8.2   
                                                                                  (0.13)                                              (0.27)                                              (0.14)
                              Black NH                              4,159,143     10.7                                  1,391,780     14.2                                  2,767,363     9.6   
                                                                                  (0.35)                                              (0.75)                                              (0.39)
                              AIAN NH                               252,177       10.4                                  64,276        10.2                                  187,901       10.5  
                                                                                  (1.42)                                              (2.96)                                              (1.53)
                              Asian NH                              829,238       4.5                                   142,508       3.8                                   686,730       4.7   
                                                                                  (0.36)                                              (0.50)                                              (0.42)
                              Multiple NH                           952,212       13.1                                  398,771       13.0                                  553,441       13.3  
                                                                                  (0.96)                                              (1.17)                                              (1.33)
                              Hispanic                              3,746,988     6.5                                   1,380,782     7.5                                   2,366,206     6.0   
                                                                                  (0.30)                                              (0.46)                                              (0.35)
                              Puerto Rican2                         780,533       14.0                                  228,118       13.6                                  552,414       14.2  
                                                                                  (1.17)                                              (1.89)                                              (1.40)
                              Mexican2                              1,916,450     5.4                                   782,776       6.6                                   1,133,674     4.8   
                                                                                  (0.31)                                              (0.49)                                              (0.39)
                              Other Hispanic2                       1,050,005     6.3                                   369,888       7.6                                   680,117       5.7   
                                                                                  (0.52)                                              (0.87)                                              (0.57)
                              Note: NH = Non-Hispanic, AIAN = American Indian/ Alaska Native, SE = Standard Error
                              1Includes persons who answered "yes" to the questions: "Have you EVER been told by a doctor or other health professional that you had asthma?" and "Do you still have asthma?"
                              2As a subset of Hispanic
                              Source: 2016–2018 National Health Interview Survey (NHIS)
                              National
                              Prevalence of Asthma Attacks1 among People with Current Asthma2 by Age (2018)
                              National Prevalence of Asthma Attacks1 among People with Current Asthma2 by Age (2018)
                                Characteristic         Weighted number with asthma attack1  Percent (SE)
                                Total                  11,222,479                           45.4 (1.23) 
                                Child (Age <18 years)  2,965,929                            53.8 (2.70) 
                                Adult (Age 18+ years)  8,256,550                            43.0 (1.38) 
                                Note: SE = Standard Error
                                1Having had one or more asthma attacks in the past 12 months among people with current asthma
                                2Includes persons who answered "yes" to the questions: "Have you EVER been told by a doctor or other health professional that you had asthma?" and "Do you still have asthma?"
                                Source: 2018 National Health Interview Survey (NHIS), Table 5-1 and Table 6-1
                                Prevalence of Asthma Attacks1 among People with Current Asthma2 by Race and Ethnicity (2016-2018)
                                Prevalence of Asthma Attacks1 among People with Current Asthma2 by Race and Ethnicity (2016-2018))
                                  Race/Ethnicity                       Total         Child                                Adult       
                                  Weighted number with asthma attack1  Percent (SE)  Weighted number with asthma attack1  Percent (SE)  Weighted number with asthma attack1  Percent (SE)
                                  White NH                             7,111,073     46.0 (0.83)                          1,418,352     55.5 (1.85)                          5,692,721     44.1 (0.90)
                                  Black NH                             1,869,536     45.1 (1.59)                          732,681       52.9 (2.88)                          1,136,856     41.1 (1.99)
                                  AIAN NH                              104,016       41.2 (6.52)                          24,092        37.5 (12.44)*                        79,923        42.5 (7.49)
                                  Asian NH                             386,864       46.7 (4.13)                          83,290        58.4 (6.64)                          303,574       44.2 (4.76)
                                  Multiple NH                          518,822       54.7 (3.48)                          238,121       59.7 (4.81)                          280,702       51.0 (4.84)
                                  Hispanic                             1,687,247     45.0 (2.34)                          648,173       47.0 (2.84)                          1,039,074     43.9 (3.00)
                                  Puerto Rican3                        387,642       49.7 (4.36)                          111,931       49.1 (6.86)                          275,712       49.9 (5.13)
                                  Mexican3                             796,835       41.6 (3.24)                          344,770       44.1 (3.94)                          452,065       39.9 (4.18)
                                  Other Hispanic3                      502,769       47.9 (4.16)                          191,472       51.8 (5.48)                          311,297       45.8 (5.17)
                                  Note: NH = Non-Hispanic, AIAN = American Indian/ Alaska Native, SE = Standard Error
                                  1Having had one or more asthma attacks in the past 12 months among people with current asthma
                                  2Includes persons who answered "yes" to the questions: "Have you EVER been told by a doctor or other health professional that you had asthma?" and "Do you still have asthma?"
                                  3As a subset of Hispanic
                                  *Relative standard error of the estimate is 30%-50%; the estimate is unreliable.
                                  Source: 2016–2018 National Health Interview Survey (NHIS)
                                  National
                                  Health Care Use1 (2017)
                                  National Health Care Use* (2016)
                                                               Emergency Department Visits  Hospital Inpatient Stays 
                                    Weighted Number of Visits  Rate2 (SE)                   Weighted Number of Visits  Rate2 (SE)
                                    Total                      1,564,440                    49.1 (6.7)                 182,620     5.6 (0.14) 
                                    Child (Age <18 years)3     626,923                      85.3 (18.4)                75,905      10.3 (0.24)
                                    Adult (Age 18+ years)4     937,516                      38.3 (6.0)                 106,710     4.2 (0.16) 
                                    Abbreviation: SE = Standard Error
                                    Notes:
                                    For detailed estimates refer to 2017 Healthcare Use Data web tables: https://www.cdc.gov/asthma/healthcare-use/2017/data.htm
                                    1Asthma as the primary diagnosis (ICD-10-CM Code: J45)
                                    2Crude rate per 10,000 population
                                    3Rate was calculated using the weighted number of visits for children aged 0-17 years and dividing it by the civilian non-institutionalized population (for emergency department visit rate) or resident population (for hospitalization rate) for children aged 0-17 years per 10,000.
                                    4Rate was calculated using the weighted number of visits for adults aged 18+ years divided by the civilian non-institutionalized population (for emergency department visit rate) or resident population (for hospitalization rate) for adults aged 18+ years per 10,000.
                                    Data sources:
                                    Emergency department visits: CDC/NCHS. National Hospital Ambulatory Medical Care Survey (NHAMCS). https://www.cdc.gov/nchs/ahcd/about_ahcd.htm
                                    Emergency department visits: CDC/NCHS. National Hospital Ambulatory Medical Care Survey (NHAMCS). https://www.cdc.gov/nchs/namcs/about/
                                    Hospital inpatient stays: National Inpatient Sample (NIS) from Healthcare Cost and Utilization Project (HCUP). Agency for Healthcare Research and Quality, Rockville, MD. For more information about HCUP data see http://www.hcup-us.ahrq.gov/
                                    Asthma Mortality (2018)
                                    Asthma Mortality (2018)
                                      Characteristic1               Number of Deaths2  Death Rate2 per million (SE)
                                      Total                         3,441              10.5 (0.18)                 
                                      Child (Age <18 years)         192                2.6 (0.19)                  
                                      Adult (Age 18+ years)         3,248              12.8 (0.22)                 
                                      Age Group                   
                                      0–4 years                     36                 1.8 (0.30)                  
                                      5–11 years                    89                 3.1 (0.33)                  
                                      12–17 years                   67                 2.7 (0.33)                  
                                      18–24 years                   116                3.8 (0.35)                  
                                      25–34 years                   238                5.2 (0.34)                  
                                      35–64 years                   1,372              11.0 (0.30)                 
                                      65+ years                     1,522              29.0 (0.74)                 
                                      Sex                         
                                      Males                         1,363              12.5 (0.23)                 
                                      Boys (Age <18 years)          106                2.8 (0.27)                  
                                      Men (Age 18+ years)           1,256              10.2 (0.29)                 
                                      Females                       2,078              8.5 (0.27)                  
                                      Girls (Age <18 years)         86                 2.4 (0.26)                  
                                      Women (Age 18+ years)         1,992              15.3 (0.34)                 
                                      Race/Ethnicity              
                                      White NH                      1,902              9.5 (0.22)                  
                                      Black NH                      937                21.8 (0.71)                 
                                      AIAN NH                       31                 11.3 (2.03)                 
                                      Asian or Pacific Islander NH  174                8.5 (0.64)                  
                                      Hispanic3                     377                6.3 (0.32)                  
                                      Note: NH = Non-Hispanic, AIAN = American Indian or Alaska Native, SE = Standard Error
                                      1Numbers within selected characteristics may not sum to total due to rounding
                                      2Underlying cause of death is asthma (ICD-10 codes: J45-J46)
                                      3Information for Hispanic origin was missing for [20] deaths
                                      Source: CDC Wonder
                  Last Reviewed: March 30, 2021
                    Source: National Center for Environmental Health
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