Cigarette Smoking During Pregnancy, by Maternal Age and Birth Certificate Type,* 2005
| Maternal Age | Percent of Women | ||
|---|---|---|---|
| Revised | Unrevised | ||
| Under 20 Years | 15.1% | 16.4% | |
| 20-29 Years | 13.0% | 15.0% | |
| 30-39 Years | 6.2% | 7.1% | |
| 40-54 Years | 6.9% | 8.0% | |
*The 1989 Standard Certificate of Live Birth (unrevised) was used in 36 reporting areas including New York City and Washington, DC; the 2003 revised birth certificate was used in 11 reporting areas.↑
Source: Centers for Disease Control and Prevention. National Center for Health Statistics. VitalStats. http://www.cdc.gov/nchs/vitalstats.htm, accessed 12/12/07.
