TABLE 3. Number and Percentage of Low Birth Weight.

	Cases		Low Birth Weight (<5.5 lb) Babies
	f	%	f	%
Nondoula mothers
Adolescents	87	68.0	5	5.7a
Adults	41	31.8	6	14.6b
Total	128	100.0	11	8.6c
Mothers with doulas
Adolescents	46	47.4	0	0.0a
Adults	51	52.6	2	3.9b
Total	97	100.0	2	2.1c

Note. Percentages with same superscript were compared using a z-test analysis.

^az score = 1.15, p > .05.

^bz score = 1.47, p > .05.

^cz score = 1.78, p < .04, CI = 95%.