Table 1.

Prevalence of Children With a History of Ear Infections Versus History of Maternal Smoking

Smoking (Cigarettes/Day)First Clinic VisitThird Trimester6 Months5 Years
No.%*No.%No.%No.%
Acute (n = 5210)(n = 5154)(n = 5046)(n = 5170)
Nil43913.044613.640613.543113.3
1–911413.58812.66811.55512.8
10–1910016.69916.19214.29915.6
20+6917.77613.812215.313415.5
P .01.3.2.2
Subacute (n = 5212)(n = 5156)(n = 5047)(n = 5172)
Nil1995.91976.01886.31996.2
1–9688.1537.6335.5347.9
10–19599.8599.6568.6599.3
20+348.7366.5658.1677.7
P .001.008.04.02
  • * Number and percentage of children in each smoking category with a history of ear infections.

  • Acute, <1 month; subacute, 1 to 3 months.

  • χ2 test.