TABLE 1. Number of observations by number of years relative to the disruption for the model for PIAT achievement scores and behavioral problems.

Time period relative to the divorce/separation	Math	Reading Recog-nition	Reading Comprehension	Behavioral Problems Index
4-or-more years before disruption	1,047	1,046	1,003	1,058
2 – 4 years before disruption	491	490	474	491
0 – 2 years before disruption	555	553	538	578
0 – 2 year after disruption	638	637	613	656
2 – 6 years after disruption	1,796	1,787	1,728	1,866
6-or-more years after disruption	2,971	2,971	2,898	3,071
Observations for children not experiencing a disruption	13,274	13,266	12,857	13,677
Total observations	20,772	20,750	20,111	21,397
Total number of children	6,466	6,461	6,365	6,717