Table 5: Regression.
(a) Effects of age, sex, brooding and reflection on depression

Unstandardized coefficientsStandardized  coefficientsSig.95.0% confidence interval for 𝐵 𝑅 2
𝐵 Std. ErrorBeta 𝑃 Lower boundUpper bound

Sex−2.0883.611−.118.564−9.1975.0210.052
Age group 1 (≤24 y.)−4.5883.622−.218.206−11.7182.5410.123
Age group 3 (38–50 y.).7814.738.034.869−8.54710.109
Age group 4 (51–62 y.)−4.6835.278−.192.376−15.0745.708
Age group 5 (≥63 y.)−4.2183.374−.193.212−10.8602.424
IA sex × age group 17.3765.544.284.184−3.53818.2910.202
IA sex × age group 31.1316.499.040.862−11.66413.925
IA sex × age group 47.1836.490.263.269−5.59419.960
IA sex × age group 56.4284.920.255.193−3.25816.113
RSQ subscale brooding1.375.197.411.000.9861.7630.259
RSQ subscale reflective pondering−.053.327−.019.871−.697.5910.271
IA reflective pondering × age group 11.429.673.423.035.1032.7540.287
IA reflective pondering × age group 3.168.719.045.816−1.2481.584
IA reflective pondering × age group 4.882.893.228.324−.8762.640
IA reflective pondering × age group 52.135.778.438.006.6033.668
IA sex × reflective pondering.956.529.387.072−.0861.9970.288
IA sex × age group 1 × reflective pondering−2.220.906−.570.015−4.003−.4360.312
IA sex × age group 3 × reflective pondering−1.0481.009−.215.300−3.034.939
IA sex × age group 4 × reflective pondering−1.9331.048−.450.066−3.997.130
IA sex × age group 5 × reflective pondering−2.255.981−.409.022−4.187−.323

IA: interaction, refl.: reflective pondering. Interaction effects were not included in the final model if they were not significant; R2 is reported for the model containing the particular variable and all variables listed before that variable.
(b) Effects of age, sex, brooding, and reflection on life satisfaction

Unstandardized coefficientsStandardized coefficientsSig.95,0% Confidence interval for 𝐵 𝑅 2
𝐵 Std. errorBeta 𝑃 Lower boundUpper bound

Sex.604.608.054.322−.5931.8010.008
Age group 1 (≤24 y.)−.6272.078−.048.763−4.7183.4640.136
Age group 3 (38–50 y.)−4.1942.008−.288.038−8.147−.241
Age group 4 (51–62 y.)−5.6352.108−.367.008−9.785−1.485
Age group 5 (≥63 y.)−2.9451.760−.214.095−6.411.520
RSQ Subscale Brooding−1.336.221−.633.000−1.772−.9000.451
IA brooding × age group 1.295.342.144.389−.379.9690.471
IA brooding × age group 3.756.347.306.030.0721.439
IA brooding × age group 4.729.354.290.040.0321.426
IA brooding × age group 5.383.349.129.273−.3041.070

IA: interaction, refl.: reflective pondering. Interaction effects were not included in the final model if they were not significant; 𝑅 2 is reported for the model containing the particular variable and all variables listed before that variable.