TABLE 1.

Descriptive statistics

	Paid leave (n = 47)		Unpaid leave (n = 33)		Paid versus unpaid
Variable	M or N	SD or %	M or N	SD or %	Statistical results
Infant age (days)	104.86	11.96	105.23	11.36	t(78) = 0.14, p = .89
Infant sex (male)	18	38%	9	27%	χ2(1) = 0.62, p = .43
Gestational age (weeks)	39.41	1.17	39.06	1.37	t(78) = −1.23, p = .22
Ethnicity (% Hispanic/Latin)	20	43%	18	56%	χ2(1) = 0.93, p = .33
Race
Asian	4	9%	1	3%	χ2(1) = 0.28, p = .60
Black	5	11%	9	27%	χ2(1) = 2.65, p = .10
Two or more	19	40%	16	49%	χ2(1) = 2.62, p = .11
White	19	40%	7	21%	χ2(1) = 2.45, p = .12
Number of children	1.49	0.84	2.22	1.26	t(75) = 3.04, p = <.01
Relationship status (% partnered)	45	96%	22	67%	χ2(1) = 10.00, p = .001
Income-to-needs (log-transformed)	1.69	0.91	0.66	1.07	t(78) = −4.44, p < .001
Maternal education (years)	17.14	3.3	14.45	3.42	t(78) = −3.55, p = <.001
Occupational prestige (O*Net zone)	3.91	0.97	2.91	1.17	t(77) = −4.16, p = <.001
Maternal leave duration (weeks)	12.44	3.37	12.04	4.1	t(78) = −0.40, p = .69
Maternal cortisol (log-transformed)	0.39	1.72	1.72	1.9	t(61) = 2.88, p < .01
Maternal perceived stress	12.87	5.48	14.32	7.49	t(74) = 0.98, p = .33
Maternal sensitivity	0.1	0.29	−0.12	0.39	t(63) = −2.55, p = .01
Dyadic reciprocity	0.1	0.27	−0.12	0.39	t(63) = −2.70, p = .01
Parent-led interaction	3.86	0.77	4.21	0.54	t(63) = 2.04, p = .04

Bold indicate significant results.