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. Author manuscript; available in PMC: 2010 Oct 27.
Published in final edited form as: J Fam Psychol. 2008 Feb;22(1):144–152. doi: 10.1037/0893-3200.22.1.144

Table 1.

Individual and Dyadic Sample Sizes Over Time

Variable Time 1 Time 2 Time 3 Number of dyadsa Number of parentsb
Gender makeup
 Father 59 41 43
 Mother 63 49 50
Dyad-level makeup
 Complete dyads (data from both dyad members) 108 56 74
 One member (data from one dyad member) 28 68 38
 Neither member 6 18 30
Data over time
 Entirely complete (Time 1 → Time 2) 25 85
 Missing one parent at a single point in time (Time 1 → Time 2) 24
 Missing one parent at each point in time (Time 1 → Time 2) 11
Entirely complete (Time 1 → Time 3) 31 85
 Missing one parent at a single point in Time (Time 1 → Time 3) 17
 Missing one parent at each point in time (Time 1 → Time 3) 6
a

Multilevel analysis is capable of handling missing information by estimating all available data points; thus, from Time 1 to Time 2, data from 62 of 71 dyads were included in the analysis, although only 25 of these dyads provided fully complete data.

b

The number of parents who had complete data across each time interval. The same numbers do not indicate that the same parents had complete data at each of the intervals, only that the same number of parents had complete data from Time 1 to Time 2 and from Time 1 to Time 3, respectively.