Reference group
|
SGA
|
LBW
|
Preterm birth
|
---|
OR
|
95% CI
|
OR
|
95% CI
|
OR
|
95% CI
|
---|
Complete abstainers
|
1.76
|
1.04–2.96*
|
1.53
|
1.06–2.22*
|
1.86
|
1.11–3.12*
|
CC smokers
|
0.67
|
0.30–1.47
|
0.71
|
0.37–1.37
|
1.06
|
0.46–2.48
|
- *: p<0.05
- OR Weighted, adjusted odds ratio, CI Confidence interval, CC Conventional cigarette, SGA Small-for-gestational-age, LBW Low birthweight
- Note: Statistics represent the Odds Ratio (95% Confidence Interval (CI)). EC users were exact-matched to the respective reference group based on the maternal race, age, educational attainment, family income, prenatal care adequacy, and conventional cigarette smoking status of the first and second trimester.