Table 2.

Relation of alcohol and drug use and sociodemographic characteristics to protocol adherence (N = 69)

	Protocol adherence
Sociodemographic characteristics
Weeks gestation at time of randomization	−0.17
Mother’s age at delivery	0.25*
Parity	0.31**
Socioeconomic status	0.10
Mother’s education (years)	−0.06
Marital status (married/unmarried)	0.22†
Peabody Picture Vocabulary Test IQ	0.06
Raven Progressive Matrices score	0.10
Beck Depression Inventory score	0.13
Stressful Life Events (number of events)	0.16
Perceived stress	0.07
Daily caloric intake (kJ/day)	−0.07
Rate of pregnancy weight gain (kg/wk)	−0.02
History of alcohol abuse and/or dependence	0.01
Alcohol and drug use during pregnancy
Absolute alcohol (AA)/day at conception	0.16
Drinks/occasion at conception	0.20†
Frequency of drinking at conception (days/week)	0.08
AA/day across pregnancy	0.07
Drinks/occasion across pregnancy	0.11
Frequency of drinking across pregnancy (days/week)	−0.02
Cigarettes/day during pregnancy	0.01
Marijuana during pregnancy (days/month)	−0.15
Methamphetamine during pregnancy (days/month)	−0.30*

Values are Pearson r.

^†p < 0.10

^*p < 0.05

^**p < 0.01