Standardized mean differences between the treated (veterans) and control (non-veterans) groups for before and after propensity score matching using the 1:1 nearest neighbor method of matching.

Standardized mean differences between the treated (veterans) and control (non-veterans) groups for before and after propensity score matching using the 1:1 nearest neighbor method of matching.采用1:1最近邻匹配法开展倾向得分匹配（propensity score matching）前后，干预组（退伍军人）与对照组（非退伍军人）之间的标准化均差。