BMC Women's Health

Table 6 Multiple mediator models showing total, direct and indirect effects of age at first birth and parity on physical performance tests

From: Early maternal age and multiparity are associated to poor physical performance in middle-aged women from Northeast Brazil: a cross-sectional community based study

	Grip Strength			Gait speed			Chair Stands
	Estimate	SE	95 % CI	Estimate	SE	95 % CI	Estimate	SE	95 % CI
First Birth
Total Effect	0.7821	0.6100	−0.4168: 1.9809	0.0048	0.0208	−0.0361: 0.0456	−0.4796 ^*	0.2390	−0.9494: -0.0099
Direct Effect	0.8180	0.6057	−0.3724: 2.0085	−0.0025	0.0209	−0.0436: 0.0386	−0.3780	0.2403	−0.8502: 0.0942
Indirect Effects
Total	−0.0360	0.1474	−0.3727: 0.2329	0.0073^†	0.0040	0.0012: 0.0177	−0.1017^†	0.0473	−0.2235:-0.0258
Family income	0.1680	0.0850	0.0333: 0.3756	0.0025	0.0021	−0.0004:0.0080	−0.0356	0.0258	−0.1007:0.0024
BMI	−0.2039^†	0.1159	−0.5426:-0.0475	0.0049^†	0.0033	0.0003:0.0150	−0.0661^†	0.0395	−0.1778:-0.0114
Parity
Total Effect	0.8082	0.1156	−0.1993:1.8157	0.0105	0.0175	−0.0238:0.0449	−0.4172^*	0.2016	−0.8134: -0.0209
Direct Effect	0.8374	0.5070	−0.1590:1.8339	0.0057	0.0175	−0.0287:0.0402	−0.3459	0.2018	−0.7426:0.0508
Indirect Effects
Total	−0.0293	0.1287	−0.3033:0.2052	0.0048^†	0.0032	0.0002: 0.0134	−0.0712^†	0.0402	−0.1639:-0.0126
Family income	0.1110	0.0914	−0.0168:0.3581	0.0017	0.0020	−0.0004: 0.0085	−0.0205	0.0229	−0.0872:0.0045
BMI	−0.1403^†	0.0879	−0.3992:-0.0162	0.0031^†	0.0024	0.0000: 0.0103	−0.0507^†	0.0308	−0.1347:-0.0059

Data adjusted by age, education, physical activity, menopausal status and hysterectomy. *Significant p < 0.05 for total and direct effects
^†Significant indirect effect as demonstrated by 95%CI of 10,000 bootstrapping

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ISSN: 1472-6874

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