Table 2.

Results of the GLMM including the following fixed factors: age (numeric variable) and reproductive status (factor variable: nulliparous = 0; pregnant = 1); the identity of the potential responder was included as random factors

	Estimate	SE	Z	p
(Intercept)a	2.746	2.742	—a	—a
Reproductive status(1)b,c	1.684	0.813	2.071	.038
age	− 0.165	0.096	− 1.715	.086

Full vs. null model: χ² = 6.140, df = 2, p = .046

^a Not shown as not having a meaningful interpretation

^b Estimate ± SE refer to the difference of the response between the reported level of this categorical predictor and the reference category of the same predictor

^c This predictor was dummy coded with Reproductive status (0) being the reference category