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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Soc Sci Res. 2015 Jun 27;54:96–112. doi: 10.1016/j.ssresearch.2015.06.023

Table 3.

Weight Construction

A. Descriptive statistics for weights
Weight Mean S.D. Percentile
1st 25th Median 75th 99th
Stabilized IPT weight (sw) 1.00 0.33 0.31 0.87 0.96 1.09 2.38
Stabilized censoring weight (cw) 0.99 0.15 0.78 0.90 0.96 1.04 1.56
Final stabilized weight (sw × cw) 0.99 0.36 0.32 0.79 0.93 1.12 2.31
B. Balance check for time-varying covariates
Birth Age 7 Age 11 Age 16 Age 23 Age 33 Age 42
F 0.28 0.06 16.19 0.60 8.48 0.46 5.03 0.05 5.84 0.12 7.15 0.06 14.99 0.14
df 7 7 14 14 14 14 14 14 11 11 11 11 11 11
P-value 0.96 1.00 0.00 0.87 0.00 0.94 0.00 1.00 0.00 1.00 0.00 1.00 0.00 1.00
Stabilized IPT weight No Yes No Yes No Yes No Yes No Yes No Yes No Yes