Table 7 Beta coefficients for the full OLS and matching regression models (without and then with the addition of the covariates)

 Full OLS

.24***

.13**

.17***

− .01

 Match

.21**

.18**

.23***

.10

 Plus covariates

.16**

.13*

.19***

.07

 Full OLS

.06

.03

.05

.09

 Match

.15*

.08

.16*

.17*

 Plus covariates

.15**

.08

.11*

.13**

 Full OLS

.02

.06

.05

− .15**

 Match

.13

.17

.11

− .22

 Plus covariates

.19*

.20*

.18*

− .12