Table 3.

Multiple linear regression (survey completion rates) and logistic regression (voluntary attrition) results, socio-demographic predictors, waves 1–30, 2872 persons

	Survey completion rate		Voluntary attrition
	Coef.	p value	Coef.	p value
Gender
Female	0		0
Male	− 1.70	0.113	− 0.03	0.811
Education
Bachelor or higher	0		0
Certificate/diploma/trade	− 6.96	< 0.001**	0.14	0.310
Year 12 or equivalent	− 3.86	0.036*	− 0.05	0.814
Year 11 or less	− 9.29	< 0.001**	0.37	0.029*
Capital city in state
No	0		0
Yes	1.43	0.263	0.05	0.718
Born in Australia
No	0		0
Yes	1.95	0.141	− 0.08	0.571
Only English spoken at home
No	0		0
Yes	6.32	< 0.001**	0.19	0.341
Indigenous status
No	0		0
Yes	− 3.38	0.362	− 0.44	0.358
Other healthcare card
No	0		0
Yes	− 0.36	0.779	− 0.28	0.041*
Carer status
No	0		0
Yes	4.27	0.002**	− 0.59	< 0.001**
Population
Offline	0		0
Online	8.96	< 0.001**	− 0.57	< 0.001**
SEIFA
Quartile 1	0.12	0.947	0.06	0.791
Quartile 2	− 1.15	0.513	0.30	0.110
Quartile 3	0.00		0
Quartile 4	− 1.62	0.337	0.43	0.019*
Quartile 5	− 3.83	0.023*	0.32	0.086
Age	0.45	< 0.001**	0.02	< 0.001**
Constant	43.99	< 0.001**	− 2.84	< 0.001**
Adjusted R-squared	0.085
Pseudo R-squared			0.044

Coef model regression coefficient

* Significant at the 0.05 level

** Significant at the 0.01 level