Table 9.

Prevalence, Odds Ratio, and Population-attributable Risk (PAR) for Selected Variables

Risk FactorInitial2 months
PrevalenceOdds RatioPARPrevalenceOdds RatioPAR
Side or front sleeping position91.5%1.750.4175.6%3.060.61
Maternal smoking, but not bed sharing19.0%5.170.4419.7%5.270.46
Maternal smoking and bed sharing4.8%11.110.333.3%11.620.26
Not breastfeeding11.9%1.670.0722.9%1.320.07