TABLE 1

Life Table Data of the Number of Infants Entering Each Age Interval

Age Interval, moNo. of Infants Who Had not Met the Criterion at the Beginning of the Age PeriodNo. of Infants Who Met the Criterion During the Interval
Criterion 1Criterion 2Criterion 3Criterion 1Criterion 2Criterion 3
1757575630
2697275241912
345536381316
4374047987
5283240534
6232936131
7222635344
8192231101
9182230232
10161928223
11141725222
12121523142
Number who never met criteria111121
  • Shown are the number of infants who had not met the criteria (criterion 1: 24:00 –05:00 hours; criterion 2: 8 hours; and criterion 3: 22:00–06:00 hours) at the beginning of each age interval; the number of infants who met the criterion in each interval; and the number of infants who never met the criteria in the first year.