* Regressions for table 1. REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS CI(95) R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT NQBR /METHOD=ENTER no_variables no_pages email_invite. REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS CI(95) R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT IBR /METHOD=ENTER no_variables no_pages email_invite. * Additional analyses in relation to the data reported in the Analysis section. DESCRIPTIVES VARIABLES=IBR NQBR GQBR TBR /STATISTICS=MEAN STDDEV MIN MAX. REGRESSION /MISSING LISTWISE /STATISTICS COEFF OUTS CI(95) R ANOVA COLLIN TOL /CRITERIA=PIN(.05) POUT(.10) /NOORIGIN /DEPENDENT NQBR /METHOD=ENTER no_variables no_pages email_invite IBR.