Funding for this research was provided by:
Economic and Social Research Council (ES/J500161/1)
Received: 16 October 2017
Accepted: 2 May 2018
First Online: 24 May 2018
Ethics approval and consent to participate
: Permission to use the Ghana Living Standards Survey 6 was given by the Ghana Statistical Service. Ethical approval was also obtained from the University of Southampton Faculty of Social, Human and Mathematical Sciences ethics committee.
: The authors declare that they have no competing interests.
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