TABLE 2

Sleep Environment Factors for Deaths on Sofas and Other Sleep-Related Infant Deaths

Risk FactorTotalDeaths on SofasOther DeathsP
N%N%N%
Total79341001024100.06910100.0
Surface sharing
 No231629.211110.9220431.9<.001
 Yes546668.988986.9457666.2
 Unknown1521.9232.21291.9
 Missing data186423.7
Object
 Any287036.224223.6262838.0<.001
Position child placed to sleep
 On back323240.730729.9292642.3<.001
 On stomach178422.530629.9147821.4
 On side10321313413.189813.0
 Unknown188523.827627.0160923.3
 Missing data3724.7
Position child found in
 On back218527.520520.1198028.6<.001
 On stomach310739.238837.9271839.3
 On side97312.317417.079911.6
 Unknown16692125625.0141320.4
Change in child’s sleep position
 Back or side to back or side265833.528728.1237034.3<.001
 Back or side to stomach124415.710710.4113716.5
 Stomach to stomach148118.723022.5125118.1
 Stomach to back or side1562.0414.01151.7
 Either placed or found position unknown239530.235935.0203729.5
 Missing data4495.7
Change in sleep location
 New or different sleep location125315.830429.795013.7<.0001
 Same sleep location353844.613212.9340649.3
 Unknown sleep location323239.658857.4255537.0