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. 2023 Apr 4;13:5497. doi: 10.1038/s41598-023-31502-1

Table 2.

Multilevel analysis of the partner affective touch variability index.

Variables Model 1: empty model Model 2: individual model (Love only) Model 3: complete individual model Model 4: cultural model Model 5: random slopes model
Model estimates (Standard Error)
Fixed intercept 84.13 (1.88)** 86.90 (1.56)** 87.72 (1.42)** 86.72 (1.24)** 86.77 (1.25)**
Individual-level variables
 Love 0.10 (.01)** 0.11 (.01)** 0.11 (.01)** 0.10 (.01)**
 Age − 0.34 (.04)** − 0.34 (.04)** − 0.34 (.04)**
 Gender − 0.93 (.64) − 0.94 (.64) − 0.92 (.64)
 SES 0.29 (.17) 0.29 (.17) 0.27 (.17)
 Children 0.74 (1.03) 0.76 (1.04) 0.78 (1.03)
 Conservatism − 0.71 (.18)** − 0.71 (.18)** − 0.68 (.18)*
 Religiousness − 0.39 (.32) − 0.39 (.32) − 0.36 (.32)
 Interpersonal Distance − 0.02 (.01)* − 0.02 (.01)* − 0.03 (.01)*
Cultural level predictors
 SES Country − 2.76 (1.95) − 2.58 (1.95)
 Religiousness Country − 6.53 (3.31) − 6.53 (3.32)
 Conservatism country − 1.82 (1.36) − 1.51 (1.37)
Random effects
 Inercept (Country) variance 125.47 (30.39)** 83.33 (20.60)** 66.77 (17.44)** 46.47 (12.83)** 47.56 (13.14)**
 Slope (Love) variance − .06 (.10)
 Covariance between slope and Intercept .002 (.001)*
Residual variance
 Residual variance 650.48 (10.52)** 522.71 (9.32)** 457.06 (9.51)** 456.89 (9.51)** 452.28 (9.46) **
 Country variance 125.47 (30.39) 83.33 (20.60) 66.77 (17.44)** 46.47 (12.83)** 47.56 (13.14)*
Intra-class correlation (ICC)a 16.16% 13.75% 12.75% 9.23%
Added variance 14.91% 7.28% 27.61%

aICC = Country Variance/(Residual + Country Variance) × 100.

*p < 0.05.

**p < 0.001.