Table 2

Methods adopted in the development of the scales included in the review
Study Item development* Content validity Reliability+ Construct validity± Exploratory factor analysis Criterion validity
Literature review Empirical study Panel of experts Review by target population. through, pre-tests, pilot studies Panel of experts Literature review Internal consistency Test-retest reliability Item/ total correlation
Allender et al. 2011 [8]
Vavken et al. 2011 [37]
JC Jones-Smith et al. 2010 [34]
Antai et al. 2010 [39]
Monda et al. 2007 [23]
Van de Poel et al. 2012 [20]
Allender et al. 2010 [19]
Dahly et al. 2007 [3]
McDade et al. 2001 [4]
Liu et al. 2003 [36]
Van de Poel et al. 2009 [17]

*No studies used focus groups, interview/key informant interview or authors personal preferences during item development; + no studies used split half reliability or inter-observer reliability during reliability assessment; ± no studies tested convergent validity or used principal component analysis of extreme group comparisons, confirmatory factor analysis, discriminant analysis or structural equation modelling to test construct validity.

Cyril et al.

Cyril et al. BMC Public Health 2013 13:513   doi:10.1186/1471-2458-13-513

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