Table 2.

Demographic Characteristics of Mothers Who Completed Both Data Collection Periods

Characteristic	Category	Total Sample (N = 70)	Term (n = 49)	LPI (n = 21)	Total Births for same 6-month time period (n = 1516)
Maternal Age (Mean)		28.2	28.5	27.57	26.9
Race	Black	29	20	9	927 (61%)
	White	35	24	11	542 (36%)
	Asian	4	4	0	44 (3%)
	American Indian/Alaskan	2	1	1	3 (<1%)
Ethnicity	Non-Hispanic or Latino	61	48	20	1056 (70%)
	Hispanic	1		1	460 (30%)
	Missing	8	2
Marital Status	Married	25	17	8	554 (37%)
	Single	35	24	11	962 (63%)
	Missing	10	8	2
Obstetric History	Primigravida	23	17	6
	Multigravida	46	31	15
	Missing	1	1
Method of Delivery	Vaginal delivery	50	38	12
	Cesarean section	18	10	8
	Missing	2	1	1
History of Depression	Yes	9	7	2
	No	59	40	19
	Missing	2	2
History of Treatment for Depression	Yes	8	6	2
	No	60	41	19
	Missing	2	1
Infant Length of Stay (Mean; Standard Deviation)	3 days (SD = 3.1)		2.4 days (SD = .67)	4.8 days (SD = 5.6)
Infant Gestational Age (Mean)	38.2 weeks		39.5 weeks	35.3 weeks
Ballard Score (Mean)	38.3 weeks		39.7 weeks	35.4 weeks
Birth Weight (Mean; Standard Deviation)	3003 gms (SD = 648)		3287 (SD = 430)	2334 (SD = 583)