. Author manuscript; available in PMC: 2014 Dec 1.

Published in final edited form as: J Am Geriatr Soc. 2013 Nov 1;61(12):2079–2086. doi: 10.1111/jgs.12512

Table 3.

Coefficients and Confidence Intervals for Mediation Analysis in Women^† (n=462)

Outcome Measure	Total Effect Direct Effect + Indirect Effect	Direct effect Path C’	Indirect effect Path A + Path B	Percentage of total effect of obesity mediated by pain
Activities of Daily Living	0.17 (0.01, 0.33)^*	0.14 (−0.02, 0.29)	0.04 (0.01, 0.07)^*	22%
Short Physical Performance Battery	−0.08 (−0.17, 0.02)	−0.06 (−0.15, 0.03)	−0.03 (−0.05, −0.01)^*	31%
Physical Component Score	−0.12 (−0.21, −0.03)^*	−0.07 (−0.15, 0.01)	−0.05 (−0.10, −0.02)^*	44%

^†

Models adjusted for age, sex, race, education, smoking status, physical activity and chronic medical conditions

p<0.05