Timing in relation to IRS | Percentage point change | p value | 95% confidence interval | |
---|---|---|---|---|
Lower boundary | Upper boundary | |||
1 month after IRS | −4.18 | 0.157 | −9.98 | 1.63 |
2 month after IRS | −6.48 | 0.037 | −12.55 | −0.41 |
3 month after IRS | −7.11 | 0.038 | −13.80 | −0.41 |
4 month after IRS | −0.39 | 0.912 | −7.27 | 6.50 |
5 month after IRS | −2.97 | 0.459 | −10.87 | 4.93 |
6 month after IRS | 8.37 | 0.510 | −16.66 | 33.39 |