Table 1

Demographic, pregnancy, and smoking history information at first prenatal visit1-150

Experimental
condition (n=77)
Comparison
condition (n=74)
Demographics
 Age (years) (mean (SD))23.1  (5.6)23.7  (6.7)
 Education (years) (mean (SD))11.7 (2.0)11.5 (2.1)
 Race (white) (n (%))73 (94.8)71 (96.0)
 Ethnicity (non-Hispanic) (n (%))74 (98.7)73 (98.7)
 Insurance (Medicaid) (n (%))55 (77.5)47 (74.6)
Pregnancy history
 Weeks pregnant (mean (SD))11.6 (5.5)11.6 (5.0)
 Primigravida (n (%))37 (48.7)30 (41.7)
 Prior births (mean (SD))0.9 (1.2)1.0 (1.2)
Smoking information
 Age started (years) (mean (SD))14.1 (3.4)14.5 (2.8)
 Cigs/day before pregnancy (mean (SD))22.6 (11.3)20.2 (10.1)
 Cigs/day at first prenatal visit (mean (SD))10.5 (9.6)9.8 (7.8)
 Exhaled CO (ppm) (mean (SD))11.3 (7.9)11.3 (8.7)
 Prior quit attempts (mean (SD))2.6 (6.5)1.5 (2.7)
 Other smokers in household (mean (SD))1.3 (1.9)1.5 (1.9)
 Intention to quit during pregnancy (n (%))57 (75.0)53 (74.7)
 Intention to quit in next month (n (%))39 (51.3)38 (52.8)
  • 1-150 No significant differences were found between conditions at baseline; ppm, parts per million.