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Table 3 Regression model

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

     Manager (n= 1,128) Professional/technical (n= 6,151)   Trade/labour (n= 463) Clerical/service (n= 2,324)
    B     95% CI   B     95% CI   B     95% CI   B     95% CI
(Constant) 3.144*** 3.044 3.243 3.046*** 3.015 3.078 2.570*** 2.345 2.795 2.897*** 2.820 2.971
Married: Sepdivwida −0.038 −0.090 0.014 −0.031* −0.056 −0.007 −0.017 −0.096 0.062 0.010 −0.021 0.041
 NvrMara 0.045 −0.014 0.105 −0.025* −0.047 −0.003 −0.015 −0.091 0.061 0.047* 0.011 0.083
Education: yr 11/lowerb −0.389*** −0.455 −0.322 −0.334*** −0.370 −0.298 −0.153* −0.299 −0.006 −0.190*** −0.239 -0.142
 Yr 12b −0.216*** −0.296 −0.135 −0.176*** −0.215 −0.136 −0.103 −0.262 0.057 −0.107*** −0.158 -0.057
 Tery edb −0.199*** −0.250 −0.149 −0.167*** −0.190 −0.143 −0.107 −0.257 0.042 −0.104*** −0.150 -0.058
 Post gradb 0.078** 0.032 0.125 0.106*** 0.087 0.125 −0.183 −0.503 0.137 0.031 −0.065 0.126
Number of children 0.083*** 0.068 0.098 0.065*** 0.057 0.073 0.106*** 0.065 0.147 0.066*** 0.0568 0.077
Govt: localc 0.169*** 0.118 0.220 0.078*** 0.051 0.104 0.079** 0.024 0.134 0.164*** 0.135 0.194
 Privatec −0.134* −0.238 −0.030 −0.036 −0.080 0.008 0.143 −0.146 0.433 0.023 −0.039 0.084
Number supervised 0.001* 0.000 0.002 0.002*** 0.002 0.003 −0.002 −0.005 0.001 0.002** 0.001 0.003
PE 0.007 −0.002 0.015 0.003* 0.000 0.006 0.007 −0.006 0.020 −0.001 −0.006 0.005
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 0.006*** 0.004 0.008 0.007*** 0.007 0.008 0.008*** 0.006 0.011 0.008*** 0.006 0.010
Gender 0.147*** 0.109 0.184 0.177*** 0.160 0.195 0.170*** 0.091 0.250 0.089*** 0.062 0.116
Adj R 2 0.407    0.302    0.228    0.235   
Gender d 0.149*** 0.111 0.188 0.190*** 0.172 0.207 0.179*** 0.095 0.262 0.094*** 0.067 0.122  
Adj R 2 0.390    0.276    0.156    0.206   
  1. Impact of unpaid overtime on income, stratified by occupation. Dependent variable is log of hourly wage. CI, confidence interval; PE, experience proxy. aReferent is married. bReferent is degree graduate. cReferent is state. dModel without unpaid overtime variable. ***P ≤0.01, **P ≤0.05, *P ≤0.10.
  2. Source: Work Outcomes Research Cost-benefit Survey 2005/06.