Effects of individual-level and work unit-level social capital on systolic blood pressure of workers, Japan, 2009.

CI, confidence interval; SE, standard error.
aThe individual-level social capital was assessed on a scale ranging from 0 to 80, with higher values indicating higher social capital.
bAge was grand-mean centered.
cWork unit-level social capital was defined as the mean of all workers' scores in the work unit in the self-included model, whereas it was defined as the mean of coworkers' responses in the self-excluded model.