Table 2.

OR With 95% CI of Prone to Supine Sleeping Position for Various Potentially Confounding Variables

VariableOR[95% CI]
Ethnic originWhite1.00Ref
Nonwhite3.88[2.59, 5.80]
Unknown0.79[0.38, 1.68]
TenureOwned1.00Ref
Rented1.59[1.24, 2.05]
Number of 1 (ie, study child)1.00Ref
 children2+4.64[3.51, 6.14]
Social supportA (low)0.23[0.08, 0.63]
B0.47[0.20, 1.12]
C0.70[0.56, 0.89]
D (high)1.00Ref
Smoking No1.00Ref
 midpregnancyYes1.59[1.20, 2.09]
Paracetamol useNo0.68[0.54, 0.85]
 midpregnancyYes1.00Ref
Child hospitalizedNo1.00Ref
 before 6 monthsYes1.47[1.06, 2.04]
Postnatal alcohol None1.00Ref
 consumption<1/week0.69[0.51, 0.92]
≥1/week0.55[0.40, 0.75]
≥1/day0.56[0.33, 0.94]
Life events01.86[1.41, 2.45]
11.16[0.89, 1.52]
≥21.00Ref