Table 25. Environmental factors associated with OHQoL wearing dentures identified from the review No of Relationship between variable and Factors Authors & Date Study design Measure studies OHQoL (Tsakos et al., 2009, Emami et Cross-sectional, al., 2010, Torres et al., 2011, OHIP Chinese, Significant association Higher – 5 Longitudinal, Abuzar et al., 2012, Lee et al., OHIP-14, GOHAI education better OHQoL Education Randomised control trial 2012) OHIP Turkish 1 (Jabbour et al., 2012) Longitudinal Non-significant or no association version OHIP-20 Significant association Employed – 1 (Baran and Nalcaci, 2011) Longitudinal OHIP (Turkish) better OHQoL Employment (Emami et al., 2010, Jabbour Cross-sectional 2 OHIP-20 No significance or no association et al., 2012) ,Longitudinal (Tsakos et al. 2009, Torres et Cross-sectional, OHIP , OHIP Income 4 al. 2011, Abuzar et al. 2012, L:ongitudinal study, Chinese, OHIP 14, Higher income better OHQoL Lee et al. 2012) Randomised control trail GOHAI (Emami et al., 2010, Jabbour Cross-sectional, 2 OHIP-20 Not significant or no association et al., 2012) Longitudinal
Table 25. Environmental factors associated with OHQoL wearing dentures identified from the review Factors No of studies Authors & Date Study design Measure Relationship between variable and OHQoL Education 5 (Tsakos et al., 2009, Emami et al., 2010, Torres et al., 2011, Abuzar et al., 2012, Lee et al., 2012) Cross-sectional, Longitudinal, Randomised control trial OHIP Chinese, OHIP-14, GOHAI Significant association – Higher education better OHQoL 1 (Jabbour et al., 2012) Longitudinal OHIP Turkish version OHIP-20 Non-significant or no association Employment 1 (Baran and Nalcaci, 2011) Longitudinal OHIP (Turkish) Significant association – Employed better OHQoL 2 (Emami et al., 2010, Jabbour et al., 2012) Cross-sectional ,Longitudinal OHIP-20 No significance or no association Income 4 (Tsakos et al. 2009, Torres et al. 2011, Abuzar et al. 2012, Lee et al. 2012) Cross-sectional, L:ongitudinal study, Randomised control trail OHIP , OHIP Chinese, OHIP 14, GOHAI Higher income better OHQoL 2 (Emami et al., 2010, Jabbour et al., 2012) Cross-sectional, Longitudinal OHIP-20 Not significant or no association