Table 2

Prevalence of caffeine consumption in two strata during and after pregnancy in SIDS cases and controls with crude and adjusted odds ratios (ORs) in Scandinavia 1992–95, the Nordic epidemiological SIDS study

Caffeine consumptionCasesControlsCrudeAdjusted for smoking in 1st trimesterAdjusted for maternal age, education, parity, and smoking in 1st trimester
OR95% CIp ValueOR95% CIp ValueOR95% CIp Value
During pregnancy
0–400 mg/24 h1366251.0RefRef1.0RefRef1.0RefRef
 > 400 mg/24 h811432.51.8 to 3.6< 0.0011.51.0 to 2.2 to 2.50.053
After pregnancy
0–400 mg/24 h1265871.0RefRef1.0RefRef1.0RefRef
 > 400 mg/24 h891882.01.5 to 2.9< 0.0011.30.9 to to 2.10.15
  • CI, confidence interval.