Table 3A.

Structural equation model for SES, MVPA and BMI on SBP in urban women

Effect of: n=489	Outcome	Direct effects (95% CI)	Indirect effects (95% CI)	Total effects (95% CI)	Proportion of total effect mediated
Household assets	SBP via BMI	−0.34 (−0.75 to 0.07)	0.05 (−0.05 to 0.14)	−0.29 (−0.70 to 0.12)	0.13†
	BMI via MVPA	0.13 (−0.09 to 0.35)	−0.014 (−0.05 to 0.013)	0.11 (−0.11 to 0.33)	0.1†
	MVPA	−41.71 (−73.48 to −9.94)**		−41.71 (−73.48 to −9.94)**
MVPA	SBP via BMI	−0.0002 (−0.001 to 0.001)	0.0001 (−0.0001 to 0.0004)	−0.0000 (−0.0012 to 0.0011)	0.3†
BMI	SBP	0.37 (0.21 to 0.53)***		0.37 (0.21 to 0.53)***

Urban Fit Indices: LR test of model versus saturated: χ²(4)=0.97, probability >χ²=0.91; RMSEA=0.00; CFI=1.00, Comparative Fit Index.

SRMR, 0.011: standardised root mean squared residual, CD=0.017, coefficient of determination; TLI, 1.12 Tucker-Lewis Index.

Adjusted for age; *P<0.05; **P<0.01; ***P<0.001.

†Assessed using the absolute values for both indirect and direct effects.

BMI, body mass index; LR test, likelihood ratio test; MVPA, moderate and vigorous intensity physical activity; RMSEA, root mean squared error of approximation; SBP, systolic blood pressure; SES, socioeconomic status.