What would be major variables be in this article?

Table 3. Comparison of Main Study Variables on Categorical Demographic Variable Variable Category Conflict Workload Self-doubt Client-related Difficulty Mean (SD) Mean (SD) Mean (SD) Mean (SD) Gender Male 7.24 (4.25) 15.67 (2.10) 10.34 (3.22)* 13.29 (2.90) Female 7.47(3.69) 15.20 (1.90) 11.43 (3.62) 13.04 (3.05) Type of Educational 6.65 (3.85) 15.42 (2.26) 12.31 (2.59) 14.20 (2.18) hospital Public 7.05 (4.20) 16.16 (1.77) 11.44 (3.42) 14.34 (2.74) Private 7.96 (3.62) 14.66 (1.79)* * 10.04 (3.63)* * 11.61 (2.80)* * Working CCU 6.26 (3.74) 15.60 (1.96) 11.10(3.25) 13.02 (3.12) area Mixed 7.89 (3.69) 15.00(1.86) 10.91(3.60) 12.55(2.91) MICU 8.30 (4.47) 14.84 (1.67) 10.00 (3.51) 12.46 (2.56) SICU 7.16 (4.31) 16.28(2.12)* * 11.33 (3.53) 14.95(2.44)* * Ratio 1:1 7.31 (4.09) 14.68 (1.42) 10.81 (4.26) 11.54 (3.03)* 1:2 7.45 (3.92) 15.42 (2.04) 10.85 (4.52) 13.17(3.04) 1:3 7.03 (3.90) 15.76 (1.94) 11.76 (2.59) 14.16 (2.08) Shift Day 7.69 (3.73) 14.59 (2.10)* * 12.02 (3.23) 12.73(3.10) Night 6.16 (4.06) 16.23 (1.95) 10.66 (3.61) 13.80 (3.04) Rotating 7.55 (3.92) 15.45 (1.87) 10.73 (3.51) 13.12 (2.93) *P<.05 p the last category was used as a reference for comparisontable2. description of work-related stress sub-scales and its individual items item mean work load too much to do. many different things not enough time complete all tasks satisfactorily. clients patients. working long hours. recreation. client difficulty terminating with dealing death or suffering. no change slowness in difficult demanding physically threatening managing therapeutic relationships. conflict other profession. conflicting roll wotable1. demographic profile participants variable range n age income experience critical care units nursing university graduation private public gender male female marital status single married hospital governmental educational area sicu micu ccu journal sciences erttarv volume issue pa table relationships icu workload .284 .247 .202 .189 related .318 .153 .015 .067 conict .023 .002 .215 .005 self-doubt .087 .13 .194 .049 .05 posthoc analysis test indicated that from hospitals had significantly higher scores three sub scales work- than hospitals. also two subscales workrelated hospital. there statistically significant difference means includin. .01 based on results nurses at day shift. finally any main study variables according graduation. continuous demographics positively correlated scale however these ship tress r>