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Low Weight Live Birth Ratios by County of Residence,
State of Michigan, Michigan Counties and Detroit City, 1999 - 2009

County 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Michigan 80.2 78.7 80.4 80.3 82.4 83.8 83.6 84.1 84.3 85.3 83.9
                       
Alcona 71.4 88.6 *   141.2 119.4 95.9 *   116.3 *   157.1 *  
Alger 63.8 *   *   *   *   *   103.4 *   *   94.1 *  
Allegan 65.9 56.3 61.6 55.2 69.6 69.7 68.4 61.5 80.4 58.5 59.9
Alpena 55.7 78.5 58.7 44.8 59.0 95.1 76.7 125.4 100.9 94.4 88.0
Antrim 78.1 47.1 62.2 61.5 114.9 52.4 61.5 46.3 94.4 71.1 99.1
Arenac 69.5 78.8 60.2 68.6 123.4 41.9 86.2 74.7 68.0 92.7 79.4
Baraga *   *   *   111.1 *   *   89.1 *   *   *   90.9
Barry 89.1 78.2 71.3 82.7 69.0 78.4 56.4 80.2 70.1 52.3 63.1
Bay 72.3 83.9 74.9 69.7 72.0 59.1 68.3 70.3 82.7 86.9 87.8
Benzie 55.9 84.6 73.9 62.8 90.9 85.2 82.5 59.1 69.1 75.5 70.6
                       
Berrien 82.5 73.1 80.3 84.0 86.0 85.6 71.7 76.8 89.3 93.4 79.0
Branch 69.4 48.2 67.1 66.0 54.2 62.6 61.5 63.6 74.7 64.6 59.8
Calhoun 78.3 76.3 76.3 73.1 83.1 80.5 88.1 77.9 88.5 90.1 79.8
Cass 64.6 71.3 75.7 96.3 88.9 93.4 118.5 78.7 64.5 76.0 86.9
Charlevoix 44.8 52.3 62.3 82.2 50.8 60.3 55.4 64.3 52.4 82.0 56.3
Cheboygan 78.4 75.8 73.8 49.5 87.6 68.8 57.5 69.0 45.6 61.7 49.1
Chippewa 52.8 35.3 46.2 48.6 39.9 57.2 65.8 58.4 43.0 64.6 63.6
Clare 52.3 77.6 90.9 80.8 90.4 102.7 46.0 82.7 102.7 91.5 69.0
Clinton 59.1 66.9 59.2 61.1 59.9 72.4 83.8 69.9 68.9 66.3 54.9
Crawford 41.7 38.5 108.5 76.3 70.9 53.4 98.4 72.8 96.8 97.7 82.1
                       
Delta 49.5 49.8 73.0 72.1 89.1 81.4 72.5 73.2 96.4 73.7 84.4
Dickinson 52.4 44.9 28.7 71.7 67.2 57.1 47.8 73.0 64.0 56.4 82.3
Eaton 71.2 72.0 64.6 87.7 71.8 59.3 63.7 69.6 64.5 79.2 62.2
Emmet 55.1 63.7 84.7 90.2 56.9 40.8 109.1 57.3 60.1 72.3 62.5
Genesee 85.5 93.3 98.1 97.6 95.1 104.0 95.4 102.9 104.3 106.2 101.3
Gladwin 76.9 63.3 88.7 52.2 64.9 78.4 80.6 72.6 67.7 84.4 106.4
Gogebic 54.8 87.6 60.6 59.3 63.0 63.8 61.1 73.3 76.9 102.6 *  
Grand Traverse 61.4 57.5 70.3 59.7 72.1 80.3 65.3 69.4 76.0 60.5 64.6
Gratiot 82.5 74.9 66.5 57.2 81.9 84.0 61.5 59.8 89.7 59.8 87.2
Hillsdale 75.7 71.5 68.5 81.3 85.9 67.8 42.9 70.5 76.5 67.7 53.1
                       
Houghton 48.1 28.2 35.4 51.0 35.1 48.7 33.8 45.2 41.3 49.1 53.7
Huron 69.5 85.4 50.6 49.0 82.6 59.6 76.9 80.6 74.2 65.8 71.2
Ingham 77.3 79.7 79.7 85.5 76.1 92.2 78.1 82.2 84.3 79.4 78.2
Ionia 66.7 56.1 87.4 69.9 57.3 80.3 60.5 58.6 68.1 61.9 63.3
Iosco 53.6 56.4 106.7 62.5 58.0 69.9 65.1 50.2 60.5 66.3 75.8
Iron *   *   96.8 72.9 *   66.0 -   *   87.4 *   94.0
Isabella 50.9 67.9 79.3 95.7 62.6 85.1 69.2 78.4 79.5 77.4 54.5
Jackson 80.7 77.2 76.6 76.0 82.8 85.6 71.9 89.2 82.9 75.6 82.2
Kalamazoo 76.6 75.3 81.4 75.8 89.8 81.7 93.4 82.3 79.7 79.7 88.7
Kalkaska 75.9 48.7 57.0 108.2 89.4 78.9 100.4 35.0 81.2 102.0 72.5
                       
Kent 75.0 76.5 72.3 70.3 72.3 77.5 75.8 77.3 74.9 73.7 73.1
Keweenaw -   *   *   *   -   -   -   *   -   -   -  
Lake *   60.2 *   *   116.7 54.1 72.0 69.0 79.6 66.0 90.1
Lapeer 58.7 57.6 68.6 66.6 48.8 62.5 49.6 81.0 78.6 69.4 86.1
Leelanau 59.7 58.0 64.0 64.2 73.9 *   85.7 67.1 65.6 *   61.8
Lenawee 64.6 69.1 66.2 60.4 52.3 61.1 80.3 83.3 68.1 74.2 74.0
Livingston 54.8 58.7 51.3 63.8 51.7 62.3 65.6 52.3 67.2 68.5 66.4
Luce *   *   *   *   *   114.8 89.6 *   *   *   *  
Mackinac *   *   59.4 75.0 -   *   *   *   98.9 *   102.6
Macomb 70.6 67.7 73.3 75.8 78.0 73.9 82.8 80.7 86.7 92.6 80.7
                       
Manistee 74.2 59.5 70.0 60.1 118.1 51.3 136.0 74.9 127.2 70.8 88.7
Marquette 40.0 41.5 52.2 61.0 60.3 68.3 60.0 62.9 64.6 82.7 63.1
Mason 35.6 54.9 83.9 79.9 53.5 60.3 69.2 80.0 98.7 57.8 84.7
Mecosta 68.1 75.8 83.9 51.5 50.3 60.2 54.2 80.2 59.8 95.7 52.2
Menominee 57.3 71.7 54.8 85.3 105.5 52.4 51.9 65.5 87.0 83.3 82.2
Midland 72.0 56.6 84.7 69.9 67.2 74.0 92.5 75.1 67.9 71.2 72.5
Missaukee 70.3 88.4 *   52.3 73.2 49.1 73.4 49.5 50.0 *   71.8
Monroe 64.2 58.2 82.4 72.0 74.9 75.6 85.8 75.1 58.7 65.2 67.1
Montcalm 70.8 74.3 66.7 82.0 62.4 82.2 59.9 66.8 59.4 54.4 77.5
Montmorency 88.6 *   80.0 116.3 87.9 66.7 *   132.7 *   *   121.6
                       
Muskegon 87.0 77.8 91.0 87.9 85.0 82.5 89.2 80.3 84.0 93.0 84.1
Newaygo 69.3 60.0 53.4 47.3 77.5 66.0 56.8 69.6 78.5 58.2 68.4
Oakland 70.2 69.5 71.8 75.1 78.3 80.6 77.1 81.9 80.7 82.6 81.5
Oceana 78.5 80.9 36.7 49.5 54.3 64.6 74.2 53.1 64.4 81.4 79.6
Ogemaw 60.6 46.4 73.6 57.7 54.5 92.1 93.1 36.8 38.6 64.4 36.3
Ontonagon *   *   *   *   *   *   *   142.9 *   *   -  
Osceola 66.9 59.2 66.9 46.9 73.7 61.5 55.0 68.2 74.2 44.4 52.4
Oscoda *   *   85.4 *   *   95.2 *   *   *   70.6 *  
Otsego 43.8 50.5 62.7 56.7 72.2 84.6 43.5 41.7 73.2 59.6 50.2
Ottawa 65.6 53.4 66.7 59.6 58.5 65.3 63.3 66.0 66.3 62.3 66.6
                       
Presque Isle 70.9 55.1 *   48.8 100.7 71.4 60.9 *   98.4 *   84.2
Roscommon 104.3 53.7 *   73.7 57.4 64.2 63.7 57.0 68.0 84.3 68.6
Saginaw 89.5 94.6 87.4 94.6 87.6 89.5 93.0 97.3 112.3 97.4 100.3
St. Clair 73.5 59.2 87.1 66.8 79.2 75.7 81.4 79.5 85.8 76.7 86.0
St. Joseph 71.7 71.6 82.5 68.7 56.3 70.2 63.9 84.3 78.0 52.6 72.8
Sanilac 57.5 60.4 60.1 55.8 81.2 63.6 56.5 65.4 72.3 81.9 54.1
Schoolcraft 118.8 *   93.0 *   *   101.3 92.1 *   100.0 *   *  
Shiawassee 53.6 84.9 62.2 87.2 67.1 76.8 61.1 76.5 92.9 68.7 75.4
Tuscola 78.2 66.6 53.5 56.5 90.3 60.7 57.5 75.6 69.5 87.3 73.3
Van Buren 71.4 70.1 59.2 80.9 67.8 76.3 75.2 53.8 75.2 78.9 62.0
                       
Washtenaw 64.9 74.8 70.1 68.4 76.7 71.3 75.4 78.7 73.9 78.3 82.3
Wayne 109.1 105.4 102.7 101.0 106.5 107.5 109.1 106.6 99.6 107.0 106.4
  Detroit City 146.1 138.7 133.3 129.7 135.4 136.9 141.8 138.9 125.5 132.4 133.1
  Wayne Excluding
Detroit		 70.3 70.7 71.9 73.3 79.0 80.1 78.8 77.3 77.5 85.6 84.2
Wexford 95.6 81.2 58.5 56.4 63.8 46.0 88.0 65.0 91.3 61.7 82.5
                       

 

Note: Low birthweight is less than 2500 grams. Ratios are low weight births per 1,000 live births.

*An asterisk indicates the ratio does not meet standards of reliability or precision.
Sources: 1999 - 2009 Michigan Residents Birth Files, Division for Vital Records & Health Statistics, Michigan Department of Community Health;
Population Estimate (latest update 9/2009), National Center for Health Statistics, U.S. Census Populations With Bridged Race Categories.

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