Table 1.

Age distribution of teenage mothers at University of Calabar Teaching Hospital, Nigeria

Age (years)	Frequency	Percentage	Cumulative percentage	95% CI
13	1	1.2	1.2	0.0%–6.6%
14	4	4.9	6.1	1.3%–12.0%
15	9	11.0	17.1	5.1%–19.8%
16	11	13.4	30.5	6.9%–22.7%
17	17	20.7	51.2	12.9%–31.1%
18	19	23.2	74.4	12.6%–31.1%
19	21	25.6	100.0	16.6%–36.4%

Abbreviation: CI, confidence interval.