| \begin{tabular}{l*{6}{c}} | |
| \hline | |
| \addlinespace | |
| &\multicolumn{1}{c}{\shortstack{ \\ Overall mean}}&\multicolumn{4}{c}{\shortstack{ \\ Difference in means:\\ Treatment $-$ control}}\\ | |
| & & & & & \\ | |
| &\shortstack{Waves 1-3 \\ (1)}&\shortstack{Wave 1 \\ (2)}&\shortstack{P-value \\ (3)}&\shortstack{Waves 2-3 \\ (4)}&\shortstack{P-value \\ (5)}\\ | |
| \hline | |
| \addlinespace | |
| Female & 0.613& --0.043& 0.41& --0.042& 0.20\\ | |
| & & & & & \\ | |
| Age$^a$ & 33.51& --0.47& 0.73& --0.83& 0.42\\ | |
| & & & & & \\ | |
| Student, full-time & 0.569& --0.089& 0.09& 0.004& 0.91\\ | |
| & & & & & \\ | |
| Working, full- or part-time& 0.571& 0.141& 0.01& --0.004& 0.91\\ | |
| & & & & & \\ | |
| Married & 0.272& 0.082& 0.08& --0.004& 0.89\\ | |
| & & & & & \\ | |
| Advanced degree$^b$ & 0.457& 0.045& 0.40& --0.002& 0.94\\ | |
| & & & & & \\ | |
| Household income$^a$& 55,139& 1,637& 0.74& --4,399& 0.21\\ | |
| & & & & & \\ | |
| Visits in the past 4 weeks, recorded& 6.91& 0.21& 0.74& --0.10& 0.79\\ | |
| \hline | |
| \addlinespace | |
| N & 1,248 & \multicolumn{2}{c}{\shortstack{166 control \\ 174 treated}} & \multicolumn{2}{c}{\shortstack{456 control \\ 452 treated}} \\ | |
| \hline\hline | |
| \end{tabular} | |