Variable | Category | HR difference (video on—baseline) R2 = 0.195 | HR difference (topical anesthesia application— baseline) R2 = 0.267 | HR difference (needle insertion—baseline) R2 = 0.232 | HR difference (after local anesthesia—baseline) R2 = 0.331 |
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β ± SE (95% CI) P-value | β ± SE (95% CI) P-value | β ± SE (95% CI) P-value | β ± SE (95% CI) P-value | ||
Age | 6–8 years |  − 0.64 ± 2.90 (− 6.48 to 5.20) 0.827 | 2.26 ± 2.89 (− 3.56 to 8.08) 0.438 | 2.91 ± 3.96 (− 5.07 to 10.88) 0.467 | 3.46 ± 3.99 (− 4.57 to 11.50 0.390 |
9–12 years | Reference | Reference | Reference | Reference | |
Gender | Females |  − 1.12 ± 2.88 (− 6.92 to 4.68) 0.700 |  − 0.79 ± 2.87 (− 6.57 to 4.99) 0.785 | 2.59 ± 3.93 (− 5.33 to 10.52) 0.513 | 7.01 ± 3.96 (− 0.97 to 14.99) 0.084 |
Males | Reference | Reference | Reference | Reference | |
HR baseline |  |  − 0.33 ± 0.12 (− 0.56 to − 0.09) 0.007* |  − 0.44 ± 0.12 (− 0.67 to − 0.21)  < 0.001* |  − 0.52 ± 0.16 (− 0.84 to − 0.20) 0.002* |  − 0.59 ± 0.16 (− 0.91 to − 0.27) 0.001* |
Group | Test | 6.49 ± 2.93 (0.60 to 12.38) 0.032* | 4.65 ± 2.92 (− 1.23 to 10.52) 0.118 | 7.24 ± 3.99 (− 0.81 to 15.28) 0.077 | 10.68 ± 4.03 (2.58 to 18.79) 0.011* |
Control | Reference | Reference | Reference | Reference |