Appendix 1—table 5.

General linear models: reduced model shown in Appendix 1—table 4 also controlling for indicators of modernization, that is, residential proximity to the closest market town of San Borja (models 1–3), Spanish fluency (model 2) and schooling (model 3).

	Model 1		Model 2		Model 3
Parameter	Std. β	p	Std. β	p	Std. β	p
Short mean IBI (<29.7 months;vs. ≥ 29.7)	−0.208	0.026	−0.222	0.020	−0.213	0.026
Age at 1st birth (years, logged)	0.124	0.010	0.141	0.004	0.139	0.005
Age (years)	−0.665	<0.001	−0.673	<0.001	−0.675	<0.001
Fat-free mass (kg)	0.105	0.031	0.112	0.023	0.113	0.022
Close residential proximity to market town (<34.7 km; vs. ≥34.7a)	0.165	0.080	0.147	0.126	0.157	0.102
Spanish fluency (moderate or high vs. noneb)	-----	-----	−0.006	0.954	-----	-----
Schooling (any vs. noneb)	-----	-----	-----	-----	0.022	0.853
Adjusted R2	0.521		0.521		0.522
N	212		207		207

^aMedian split.

^bData are missing for five women.