Table 3.
Multiple linear regression analyses on association between child maltreatment and xBRS and heart rate variability.
| R2 | β | 95% Confidence Interval | p | |
|---|---|---|---|---|
| xBRS | ||||
| Model 1 | 0.001 | −0.016 | [−0.028, −0.005] | 0.006 |
| Model 2* | 0.068 | −0.017 | [−0.028, −0.006] | 0.003 |
| Model 3*† | 0.370 | −0.002 | [−0.009, 0.010] | 0.907 |
| Model 4*†‡ | 0.395 | −0.001 | [−0.007, 0.008] | 0.981 |
| RMSSD | ||||
| Model 1 | 0.001 | −0.015 | [−0.025, −0.004] | 0.007 |
| Model 2* | 0.031 | −0.015 | [−0.026, −0.005] | 0.004 |
| Model 3*† | 0.220 | −0.003 | [−0.013, 0.006] | 0.530 |
| Model 4*†‡ | 0.233 | −0.007 | [−0.016, 0.003] | 0.169 |
| SDNN | ||||
| Model 1 | 0.000 | −0.006 | [−0.014,0.003] | 0.196 |
| Model 2* | 0.041 | −0.006 | [−0.015,0.002] | 0.148 |
| Model 3† | 0.184 | −0.003 | [−0.005,−0.011] | 0.760 |
| Model 4*†‡ | 0.196 | 0.001 | [−0.007, 0.009] | 0.747 |
N = 10,260. Each model shows the regression results of child maltreatment-number of types endorsed on xBRS/RMSSD and SDNN.
*Adjusted for antihypertensive medication.
†Adjusted for sociodemographic covariates (sex, age, education, and ethnicity).
‡Adjusted for health-behavioral and psychological covariates (smoking, alcohol, body mass index, physical activity, current stress).
xBRS, baroreflex sensitivity; RMSSD, a parameter reflecting heart rate variability calculated as the square root of the mean squared successive differences between adjacent normal-to-normal interbeat intervals; SDNN, a parameter reflecting heart rate variability calculated as the standard deviation of normal-to-normal interbeat intervals.