Category First author Significance (S = < .05) Direction (magnitude) Methodological quality Sample size ) Sociodemographics (n = 13 studies) Age ( studies) Allensworth-Davies [47 ] NS Weak 135 Blackmon [49 ] NS Weak 188 Choi [53 ] NS High moderate 2,254 Friedman [56 ] S + ( = 0.15) High moderate 349 Gittell [58 ] NS Low moderate 252 Grieshaber [60 ] NS Weak 79 Kuo [10 ] NS Low moderate 114 Lerner [65 ] NS Low moderate 556 McGilton [67 ] NS High moderate 222 Parsons [33 ] NS Weak 550 Simpson [73 ] S + ( = 0.14) High moderate 504 Walborn [79 ] S + ( = 0.218) Weak 185 Ethnicity ( studies) Allensworth-Davies [47 ] NS Weak 135 Blackmon [49 ] NS Weak 188 Choi [53 ] NS High moderate 2,254 Kuo [10 ] S + ( = 0.32) Low moderate 114 McGilton [67 ] S − ( = −0.28) High moderate 222 Parsons [33 ] NS Weak 550 Ramirez [71 ] S (for 2/3 races) − ( = −0.14 to −0.20) Low moderate 337 Gender (n = 6 studies) Blackmon [49 ] NS Weak 188 Gittell [58 ] NS Low moderate 252 Kuo [10 ] NS Low moderate 114 Lerner [65 ] NS Low moderate 556 McGilton [67 ] NS High moderate 222 Parsons [33 ] NS Weak 550 ( ) Education (n = 17 studies) Level of education/years Education (n = 10 studies) Blackmon [49 ] NS Weak 188 Choi [53 ] NS High moderate 2,254 Friedman [56 ] NS High moderate 349 Gittell [58 ] NS Low moderate 252 Goldwasser [59 ] S Weak 27 Grieshaber [60 ] NS (urban) Weak 79 Grieshaber [60 ] S (suburban) − ( = −0.51) Weak 79 Kuo [10 ] NS Low moderate 114 Lerner [65 ] NS Low moderate 556 Parsons [33 ] NS Weak 550 Walborn [79 ] S − ( = −0.274) Weak 185 Special training (n = 8 studies) Blackmon [49 ] NS Weak 188 Braun [51 ] S + Weak 105 Ramirez [71 ] S − ( = −0.13) Low moderate 337 Resnick [72 ] NS Low moderate 13 Simpson [73 ] NS High moderate 504 Tannazzo [76 ] NS Low moderate 301 Thompson [77 ] NS Weak 40 Webb [80 ] NS Weak 178 ( ) Healthcare provider characteristics (n = 18 studies) Empowerment (n = 5 studies) Cready [54 ] (autonomy in decision making and perceived meaningful work with a feeling of competence to do it) S + Weak 434 Gruss [61 ] (perceived control and access to power within the organization) S + ( = 0.46) Low moderate 42 Kostiwa [64 ] (transfer of power to nonmanagement employees) S + ( = 0.294) Low moderate 60 Kuo [10 ] (perceived support, access to information and resources, opportunity to learn and grow, good relationships with staff) S + ( = 0.366) Low moderate 114 Yeatts [55 ] (autonomy in decision making and perceived meaningful work with competence to do it) NS Weak Not reported Years of experience (n = 5 studies) McGilton [67 ] NS High moderate 222 Lerner [65 ] S + ( = 0.230) Low moderate 114 Ramirez [71 ] NS Low moderate 337 Simpson [73 ] NS High moderate 504 Walborn [79 ] S + ( = 0.204) Weak 185 Current position tenure (n = 3 studies) Gittell [58 ] NS Low moderate 252 Grieshaber [60 ] NS (urban) Weak 79 Grieshaber [60 ] S (suburban) + ( = 0.38) Weak 79 Liu [66 ] S − ( = −0.14) High moderate 244 Employment status (rotating, part time, full time) (n = 4 studies) Albanese [46 ] NS Weak 255 Burgio [52 ] S = 6.38Low moderate 178 Liu [66 ] S − ( = −0.15) High moderate 244 McGilton [67 ] NS High moderate 222 Autonomy (n = 3 studies) Allensworth-Davies [47 ] (definition not reported) S + ( = 0.23) Weak 135 Friedman [56 ] (opportunity to use their own judgment) NS High moderate 349 Friedman [56 ] (opportunity to organize workload) S + ( = 0.17) High moderate 349 Tyler [78 ] (degree to which a job provides independence and discretion in scheduling work and determining ways to carry it out) S Low moderate/strong 1146 ( ) Personal life (n = 4 studies) Stress (n = 4 studies) Albanese [46 ] S − ( = −0.37) Weak 255 McGilton [67 ] S − ( = −0.19) High moderate 222 Parmelee [68 ] NS High moderate 188 Purk [70 ] NS Weak 34