Data Limitations

The FALCOT 92 was not meant to be a study of childhood mortality rates for this population. Therefore, possible shortcomings of the data set should be evaluated with this in mind. The limitations we are about to present force us to review the results on childhood mortality as rough estimates rather than well established unbiased estimates:

Sample Size Limitations
The sample size needed to estimate the probability of dying before exact age 1, q(1), or the probability of dying before exact age 5, q(5), should ideally have been many times larger than the one actually obtained. Furthermore, the current sample size (1223 females) does not permit elaborate analysis on the regional level, nor does it provide for serious analysis by factors such as gender or level of education. (See also this book's Appendix A on sampling strategy).

Questionnaire Limitations
Some important questions relating to data collection on children ever born and children dead were missed during questionnaire development. In particular, no questions were asked concerning the status of the last birth, such as date of birth, sex, and whether the child was still alive by the time of interview. Moreover, no questions were asked to allow estimation using birth history or life table methods. The questions missing on the status of last birth will mostly affect fertility calculations.

Parity limitations
For the purpose of parity calculations and analyses, all ever married women of child-bearing age (15-49 years) in each household should have been interviewed for the purpose of inclusion in the childhood mortality and fertility analysis. The exclusion of ever married women (of unknown quantity) from interviewing for this section makes it very difficult to estimate average parities in the manner recommended by demographers.


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