NPT provides a useful sensitising theory to inform analysis of implementation, identifying coherence the mechanism by which participants understand an innovation and its purpose as one of four essential components to the work of bringing an innovation into routine practice.
Psychological contract theory provided a useful framework to link the study elements of service provision, carer expectations, experiences, perceptions of care-recipient benefits and trust in the service.
The belief base of the theory of planned behaviour provided a useful framework to explore systematically the underlying beliefs of nurses' hand hygiene decisions according to the 5 critical moments, allowing comparisons with previous belief studies.
The IM protocol provided a useful framework to systematically develop a maintenance programme, incorporating insights from theory, literature, programme implementers, and participants.
To build on this emerging theoretical orientation, we propose that collective action theory provides a useful path to explaining social change.
Network theory provides a useful tool to study the complexity of neurodegenerative diseases.
The disposable soma theory provides a useful paradigm to think about reproduction, somatic cells and ageing (Kirkwood and Holliday, 1979).
Consequently, the principles of agency theory provide a useful framework to study economic integration strategies [ 13, 14].
Neighbourhood opportunity structure theory provides a useful framework to investigate the local level environmental correlates of population health.
We assert that a public health approach, founded on health promotion theories provides a useful scaffold to assess the critical health literacy of population groups.
