Table 2.
b | SE | 95% CI | p value | |
---|---|---|---|---|
Unadjusted pooled regression | ||||
Model 1: without control variables | 1.002 | 0.355 | 0.296, 1.707 | .006 |
Model 2: with control variables | 0.671 | 0.226 | 0.223, 1.119 | .004 |
Marginal structural model (weighted by stabilized IPTW) | ||||
Model 3: without time-invariant variables | 0.903 | 0.348 | 0.213, 1.594 | .011 |
Model 4: with time-invariant variables | 0.752 | 0.241 | 0.272, 1.232 | .002 |
Note: Coefficients and robust standard error are obtained from a pooled regression using five waves of data. †p ≤ .10, *p ≤ .05, **p ≤ .01 (two-tailed tests).