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Age distribution of mature mothers at University of Calabar Teaching Hospital, Nigeria
| Age group (years, mid-value x) | Frequency, x (fx) | Percentage | Cumulative percentage | 95% CI |
|---|---|---|---|---|
| 20–29 (24.5) | 53 (1298.5) | 73.6 | 73.6 | 63.9%–84.0% |
| 30–34 (32) | 19 (608) | 26.4 | 100.0 | 16.6%–36.7% |
| Total 72 (1906.5) mean is Efx/x | ||||
Abbreviation: CI, confidence interval.
