Table 4.
Path Coefficients for the Multiple Parallel Mediation Models (N = 4,000)
| Original Model | Model with Sex Moderation | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| b | β | p | 95% CI | b | β | p | 95% CI | ||
| Regressions | |||||||||
| housework→ survival | 183.43 | 0.13 | < 0.001 | [147.86, 219.00] | 254.50 | 0.17 | < 0.001 | [211.88, 297.12] | |
| housework → cognitive | 0.02 | 0.01 | 0.642 | [-0.05, 0.08] | 0.03 | 0.01 | 0.424 | [-0.05, 0.11] | |
| housework → physical | 0.53 | 0.05 | < 0.001 | [0.23, 0.83] | 0.51 | 0.05 | 0.006 | [0.14, 0.87] | |
| housework → mental | 0.34 | 0.04 | 0.012 | [0.08, 0.61] | 0.29 | 0.03 | 0.077 | [-0.03, 0.61] | |
| cognitive → survival | 80.66 | 0.14 | < 0.001 | [63.54, 97.77] | 214.06 | 0.34 | < 0.001 | [182.93, 245.19] | |
| physical → survival | 19.94 | 0.14 | < 0.001 | [16.24, 23.64] | 22.30 | 0.15 | < 0.001 | [16.9, 27.7] | |
| mental → survival | 7.45 | 0.05 | < 0.001 | [3.31, 11.59] | 11.90 | 0.07 | < 0.001 | [5.84, 17.96] | |
| (Regressions on covariates) | |||||||||
| age → survival | -104.57 | − 0.45 | < 0.001 | [-110.85, -98.29] | -112.53 | − 0.46 | < 0.001 | [-118.84, -106.23] | |
| sex → survival | 978.75 | 0.41 | < 0.001 | [904.85, 1052.65] | 490.41 | 0.19 | < 0.001 | [418.05, 562.78] | |
| education → survival | 54.00 | 0.07 | < 0.001 | [32.5, 75.49] | 12.48 | 0.02 | 0.251 | [-8.82, 33.78] | |
| marital → survival | 233.94 | 0.09 | < 0.001 | [145.53, 322.36] | 16.09 | 0.01 | 0.720 | [-71.94, 104.13] | |
| living status → survival | 117.56 | 0.03 | 0.028 | [12.7, 222.42] | 46.23 | 0.01 | 0.388 | [-58.79, 151.25] | |
| social status → survival | 3.20 | 0.01 | 0.690 | [-12.55, 18.95] | -28.63 | − 0.05 | < 0.001 | [-44.28, -12.97] | |
| age → cognitive | -0.08 | − 0.19 | < 0.001 | [-0.09, -0.06] | -0.08 | − 0.20 | < 0.001 | [-0.09, -0.07] | |
| sex → cognitive | -0.91 | − 0.22 | < 0.001 | [-1.03, -0.79] | -0.91 | − 0.22 | < 0.001 | [-1.03, -0.79] | |
| education → cognitive | 0.38 | 0.30 | < 0.001 | [0.34, 0.41] | 0.38 | 0.30 | < 0.001 | [0.34, 0.41] | |
| marital → cognitive | 0.32 | 0.07 | < 0.001 | [0.17, 0.48] | 0.33 | 0.07 | < 0.001 | [0.17, 0.49] | |
| living status → cognitive | -0.05 | − 0.01 | 0.624 | [-0.24, 0.14] | -0.05 | − 0.01 | 0.631 | [-0.24, 0.14] | |
| social status → cognitive | -0.10 | − 0.10 | < 0.001 | [-0.13, -0.07] | -0.10 | − 0.10 | < 0.001 | [-0.13, -0.07] | |
| age → physical | -0.08 | − 0.05 | 0.002 | [-0.14, -0.03] | -0.09 | − 0.06 | 0.001 | [-0.14, -0.04] | |
| sex → physical | -4.10 | − 0.24 | < 0.001 | [-4.67, -3.53] | -4.09 | − 0.24 | < 0.001 | [-4.66, -3.53] | |
| education → physical | 0.24 | 0.05 | 0.005 | [0.07, 0.4] | 0.24 | 0.05 | 0.005 | [0.07, 0.41] | |
| marital → physical | -0.38 | − 0.02 | 0.307 | [-1.11, 0.35] | -0.39 | − 0.02 | 0.300 | [-1.12, 0.34] | |
| living status → physical | -0.34 | − 0.01 | 0.455 | [-1.22, 0.55] | -0.35 | − 0.01 | 0.440 | [-1.24, 0.54] | |
| social status → physical | 0.39 | 0.09 | < 0.001 | [0.26, 0.52] | 0.41 | 0.10 | < 0.001 | [0.28, 0.54] | |
| age → mental | 0.07 | 0.05 | 0.002 | [0.03, 0.12] | 0.07 | 0.05 | 0.002 | [0.03, 0.12] | |
| sex → mental | -0.62 | − 0.04 | 0.016 | [-1.13, -0.12] | -0.62 | − 0.04 | 0.015 | [-1.13, -0.12] | |
| education → mental | 0.20 | 0.04 | 0.008 | [0.05, 0.35] | 0.19 | 0.04 | 0.011 | [0.04, 0.34] | |
| marital → mental | 0.13 | 0.01 | 0.702 | [-0.52, 0.78] | 0.12 | 0.01 | 0.713 | [-0.53, 0.77] | |
| living status → mental | 0.83 | 0.04 | 0.038 | [0.05, 1.62] | 0.85 | 0.04 | 0.033 | [0.07, 1.64] | |
| social status → mental | 0.29 | 0.08 | < 0.001 | [0.18, 0.41] | 0.33 | 0.09 | < 0.001 | [0.21, 0.44] | |
| (Moderating effects of sex) | |||||||||
| housework × sex → survival | -25.60 | − 0.01 | 0.510 | [-101.76, 50.56] | |||||
| housework × sex → cognitive | -0.05 | − 0.01 | 0.473 | [-0.18, 0.09] | |||||
| housework × sex → physical | 0.04 | 0.002 | 0.896 | [-0.59, 0.67] | |||||
| housework × sex → mental | 0.10 | 0.01 | 0.712 | [-0.45, 0.66] | |||||
| cognitive × sex → survival | -210.19 | − 0.28 | < 0.001 | [-245.53, -174.85] | |||||
| physical × sex → survival | -15.57 | − 0.08 | < 0.001 | [-22.92, -8.23] | |||||
| mental × sex → survival | -8.00 | − 0.03 | 0.056 | [-16.21, 0.21] | |||||
| Indirect effects | |||||||||
| housework→ cognitive→ survival | 1.23 | - | 0.642 | [-3.95, 6.40] | 6.73 | - | 0.425 | [-9.79, 23.25] | |
| house work → physical → survival | 10.61 | - | < 0.001 | [4.32, 16.89] | 11.29 | - | 0.009 | [2.78, 19.80] | |
| house work → mental → survival | 2.56 | - | 0.040 | [0.12, 5.00] | 3.43 | - | 0.100 | [-0.76, 7.61] | |
| overall indirect effect | 14.40 | - | < 0.001 | [5.90, 22.89] | 21.45 | - | 0.027 | [2.42, 40.48] | |
| Total effect (housework → survival) | 197.82 | - | < 0.001 | [161.41, 234.23] | 275.95 | - | < 0.001 | [229.53, 322,37] | |
Notes. b: unstandardized path coefficient; β: standardized path coefficient; 95% CI: 95% confidence interval