Table 3. Mixed-effects logistic regression for locum consultations over time in the UK^a .

Variable	Odds ratio	95% CI	P-value
Female sex	0.990	0.980 to 0.992	<0.001
Age	0.996	0.996 to 0.996	<0.001
Cambridge multimorbidity score	0.954	0.952 to 0.955	<0.001
Country yearly time trends
England	1.064	1.064 to 1.065	<0.001
Wales	1.004	1.003 to 1.004	<0.001
Scotland	0.947	0.946 to 0.948	<0.001
Northern Ireland	0.956	0.955 to 0.958	<0.001
Constant	0.083	0.073 to 0.094	<0.001

^aEstimated using multilevel mixed-effects logistic regression models, patients nested within practices. Sample consultations, n = 37 543 165; sample practices, n = 913.