Table 1.

Characteristics of Study Participants

Characteristic		Total, (N = 833)
Age at enrollment	0–2 weeks	581 (69.8)
	3–4 weeks	249 (29.9)
	5–6 weeks	3 (0.4)
Male	…	415 (49.8)
Mean follow-up time, person-years	…	1.7 (0.6a)
Smoking in household	…	249 (29.9)
Mean number of persons in household	…	8.7 (4.4a)
Mothers with secondary or tertiary education, n = 830	…	677 (81.3)
Fathers with secondary or tertiary education, n = 810	…	644 (77.3)
Water tap location	Outside	291 (35.0)
	Inside	541 (65.0)
Dirt floor	Yes	94 (11.3)

Data are presented as n (%) unless otherwise indicated.

^aStandard deviation.