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. 2012 Nov 19;109(49):19953–19958. doi: 10.1073/pnas.1211437109

Table 1.

Earnings equations: Linear regression models of log income at age 29 (2008) on lagged subjective well-being and covariates

Model 1
Model 2
Model 3
Model 4
Independent variable Coeff. P value Coeff. P value Coeff. P value Coeff. P value
Positive affect (1994) 0.033 0.002 0.014 0.314
Positive affect (1996) 0.044 0.000 0.030 0.037
Life satisfaction (2001) 0.051 0.000 0.047 0.000
Positive affect (2008) 0.092 0.000 0.089 0.000 0.086 0.000 0.074 0.000
Male 0.149 0.000 0.146 0.000 0.147 0.000 0.145 0.000
Age 0.089 0.000 0.084 0.000 0.088 0.000 0.085 0.000
College 0.210 0.000 0.216 0.000 0.212 0.000 0.201 0.000
IQ 0.038 0.001 0.037 0.004 0.043 0.000 0.030 0.022
Medication 0.013 0.174 0.013 0.253 0.013 0.197 0.014 0.211
Height 0.036 0.008 0.039 0.011 0.035 0.011 0.037 0.016
Self-esteem (1994) 0.057 0.000 0.041 0.003
Self-esteem (1996) 0.044 0.001 0.015 0.306
Self-esteem (2001) 0.054 0.000 0.030 0.017
Black −0.068 0.000 −0.064 0.000 −0.063 0.000 −0.065 0.000
Hispanic 0.056 0.000 0.065 0.000 0.051 0.000 0.064 0.000
Asian 0.062 0.000 0.063 0.000 0.061 0.010 0.064 0.000
Intercept 10.15 0.000 10.14 0.000 10.15 0.000 10.14 0.000
N 11,080 8,620 11,086 8,585
R2 0.12 0.12 0.13 0.13

Variable coefficients (Coeff.) are standardized, and P values are presented. Variable definitions are in Table S2.