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. 2020 Feb 6;9(1):e13355. doi: 10.2196/13355

Table 3.

Estimation results using the model by Welsh and Poe.

Variables		Definitely yes (N=181)^a		Probably yes (N=181)^a			Do not know (N=181)^a
Variables		Estimate	T test (169)		Estimate	T test (169)		Estimate	T test (169)
Equation 1
	Constant	−0.000626^b	−14.08^c		−0.000343	−9.68^c		−0.000542	−12.56^c
Equation 2
	Age (years)	−0.00412	−0.31		−0.0283	−2.13^d		−0.0133	−1.05
	Annual income	0.00000230	0.48		0.00000126	0.27		0.00000130	0.28
	University	0.271	1.42		0.363	1.86 ^d		0.280	1.44
	Very good health	0.0331	0.16		0.0661	0.30		−0.115	−0.54
	Infertility problem	−0.175	−0.59		−0.192	−0.62		−0.130	−0.41
	Ovulation failure	0.460	0.74		0.309	0.51		0.135	0.23
	Current smoker	0.213	1.12		0.218	1.12		0.510	2.66 ^c
	Stressful job	−0.0288	−0.12		0.177	0.74		−0.175	−0.74
	Having a child is important	0.128	0.72		0.279	1.54		0.315	1.76 ^e
	Employee	−0.156	−0.77		−0.0866	−0.42		0.0772	0.38
	Constant	0.558	1.01		0.778	1.41		1.155	2.16 ^d

^aP value<.001.

^bItalics indicate that the term is statistically significant.

^cP<.01.

^dP<.05.

^eP<.1.