Table 2.

Results sensitivity analysis

Study	Report	Relevance	Methodological quality	Sensitivity analysis
Study 1	Clemson et al. (2004) [27]	High	High	High
	Ballinger et al. (2006) [28]	High	High	High
Study 2	Mackenzie et al. (2021) [29]	High	High	High
Study 3	Middlebrook et al. (2012) [30]	High	Moderate	High
Study 4	Mora Pinzon et al. (2019) [31]	High	Moderate	High
Study 5	Renehan et al. (2019) [32]	High	Moderate	High
Study 6	Garner et al. (1996) [33]	High	Moderate	High
	Hahn et al. (1996) [34]	High	Moderate	High
	Kempton et al. (2000) [35]	High	Moderate	High
	Barnett et al. (2003) [36]	High	Moderate	High
	Barnett et al. (2004) [37]	High	Low	Moderate
Study 7	Milisen et al. (2006) [38]	High	Moderate	High
Study 8	Mackenzie et al. (2020) [39]	High	Moderate	High
Study 9	Fortinsky et al. (2008) [17]	High	Moderate	High
Study 10	Gholamzadeh et al. (2021) [40]	High	Moderate	High
Study 11	Mahoney et al. (2016) [41]	Moderate	Moderate	Moderate
Study 12	Elley et al. (2008) [42]	Moderate	Moderate	Moderate
Study 13	Kramer et al. (2011) [43]	Moderate	Moderate	Moderate
Study 14	Zimmerman et al. (2017) [44]	Moderate	Moderate	Moderate
Study 15	Schlotthauer et al. (2017) [45]	Moderate	Moderate	Moderate
Study 16	Baker et al. (2007) [46]	High	Low	Moderate
Study 17	Kittipimpanon et al. (2012) [47]	High	Low	Moderate
Study 18	Tiedemann et al. (2021) [48]	High	Low	Moderate

High + high, high. High + moderate, high. Moderate + moderate, moderate. High + low, moderate. Low + low, low