Differences in wage rates for males and females in the health sector: a consideration of unpaid overtime to decompose the gender wage gap

Vecchio, Nerina; Scuffham, Paul A; Hilton, Michael F; Whiteford, Harvey A

doi:10.1186/1478-4491-11-9

Human Resources for Health

Table 2 Regression results

From: Differences in wage rates for males and females in the health sector: a consideration of unpaid overtime to decompose the gender wage gap

	Pooled (n=10,066)				Male (n= 3,451)				Female (n= 6,615)
	B	SE	95% CI		B	SE	95% CI		B	SE	95% CI
(Constant)	3.043***	0.013	3.017	3.069	3.096***	0.025	3.044	3.148	3.082***	0.015	3.053	3.112
Married: Sepdivwid^a	−0.021*	0.009	−0.039	−0.003	−0.055**	0.019	−0.094	−0.016	−0.007	0.010	−0.027	0.012
NvrMar^a	0.005	0.009	−0.022	0.013	−0.037*	0.017	−0.073	−0.002	0.017	0.010	−0.002	0.037
Education: yr11/lower^b	−0.288***	0.011	−0.311	−0.265	−0.304***	0.021	−0.347	−0.261	−0.275***	0.013	−0.302	−0.248
Yr 12^b	−0.176***	0.013	−0.202	−0.150	−0.194***	0.024	−0.244	−0.144	−0.162***	0.015	−0.191	−0.132
Tery ed^b	−0.166***	0.009	−0.184	−0.148	−0.173***	0.016	−0.205	−0.140	−0.158***	0.011	−0.179	−0.136
Post grad^b	0.106***	0.008	0.090	0.123	0.168***	0.015	0.138	0.197	0.067***	0.010	0.048	0.087
Occupation: Manager^c	0.077***	0.010	0.057	0.097	0.055**	0.017	0.021	0.089	0.088***	0.012	0.064	0.112
Clericalservice^c	−0.166***	0.009	−0.183	−0.149	−0.203***	0.017	−0.238	−0.168	−0.163***	0.010	−0.183	−0.144
Trade/labour ^c	−0.343***	0.016	−0.376	−0.310	−0.304***	0.021	−0.347	−0.261	−0.381***	0.042	−0.464	−0.297
Number of children	0.069***	0.003	0.063	0.075	0.070***	0.005	0.060	0.080	0.068***	0.004	0.061	0.076
Govt: local^d	0.116***	0.009	0.098	0.134	0.065***	0.013	0.039	0.091	0.172***	0.012	0.147	0.196
Private^d	−0.030	0.017	−0.064	0.003	0.028	0.033	−0.039	0.095	−0.060**	0.019	−0.098	−0.022
Number supervised	0.002***	0.000	0.001	0.002	0.002***	0.000	0.001	0.007	0.002***	0.000	0.001	0.002
PE	0.005***	0.001	0.002	0.007	0.014***	0.002	0.010	0.019	0.001	0.001	−0.002	0.004
PE ²	0.000**	0.000	−0.000	−0.000	−0.000***	0.000	−0.000	−0.000	−0.000	0.000	−0.000	0.000
Unpaid overtime	0.007***	0.000	0.007	0.008	0.008***	0.001	0.007	0.009	0.007***	0.000	0.006	0.008
Gender	0.154***	0.007	0.141	0.167
Adj R ²	0.428				0.463				0.358
Gender ^e	0.163***	0.007	0.150	0.177
Adj R ²	0.407

Impact of unpaid overtime on income, pooled sample and stratified by gender. Dependent variable is log of hourly wage. CI, confidence interval; PE, experience proxy; SE, standard error. ^aReferent is married. ^bReferent is degree graduate. ^cReferent is professional/technical. ^dReferent is state. ^eModel without unpaid overtime variable. ***P ≤0.001, **P ≤0.01, *P ≤0.05.
Source: Work Outcomes Research Cost-benefit Survey 2005/06.

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ISSN: 1478-4491

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