Table 1.

Sample descriptive statistics: Percentages or means, with standard errors in parentheses

	Kaplan-Meier			Piecewise Exponential
	Two-Parent		Single-Mother	Two-Parent		Single-Mother
	Maternal	Paternal	Maternal	Maternal	Paternal	Maternal
Child Characteristics
Male (%)	50	50	51	51	49	51
Birth order	4.14 (2.45)	4.13 (2.45)	2.19 (1.81)	4.13 (0.02)	4.13 (0.02)	2.20 (0.02)
Parental Characteristics at Birth
Mother’s age	27.91 (7.21)	28.02 (7.39)	22.16 (6.91)	27.89 (0.04)	28.01 (0.04)	22.17 (0.07)
Father’s age	37.44 (10.98)	37.43 (10.99)	––	37.40 (0.07)	37.39 (0.07)	––
Mother’s years of schooling	3.55 (3.58)	3.56 (3.58)	4.70 (3.58)	3.55 (0.02)	3.53 (0.02)	4.70 (0.04)
Father’s years of schooling	4.91 (4.10)	4.92 (4.11)	––	4.90 (0.02)	4.92 (0.02)	––
Agriculture (%)	58	46	18	58	46	18
Employed (%)	7	25	26	7	25	25
Household Characteristics at Birth
Quintile of asset ownership (%)
Lowest (ref.)	18	18	18	18	18	19
Low	21	21	19	21	21	18
Middle	23	23	21	23	22	21
High	21	21	22	21	21	22
Highest	17	17	20	17	18	20
Number coresident adults	1.46 (2.05)	1.45 (2.05)	3.23 (2.44)	1.45 (.01)	1.45 (0.01)	3.23 (0.03)
Children	22,669	23,023	7,577	11,556	10,478	5,805
Events	2,114	4,376	1,454	1,225	2,279	1,099

Note: Statistics were calculated using weights for piecewise exponential samples.