Comparison of baseline health status, activity, and attention effects between those who had LBP and those who had no LBP.

Responders = those responding to online survey, Non-responders = those not responding to survey, LBP = low back pain,* = p-values for comparison of those with LBP and those without LBP (responders only),# = p-values for comparison of those responding to survey and those not responding to survey,PCS (SF-12) = Physical Component Summary Score from the Short Form Medical Survey (12 items), MCS (SF-12) = Mental Component Summary Score from the Short Form Medical Survey (12 items), APFT = Army Physical Fitness Test, Profiled = injured during training, USI = ultrasound imaging, PSEP = psychosocial education program, TEP = traditional exercise program, CSEP = core stabilization exercise program. Bold font indicates p-value less than 0.05.