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Table 2 The result of differences test of complete and impute data for RSES

From: The ability of different imputation methods for missing values in mental measurement questionnaires

variables original Missingness proportion of 5% Missingness proportion of 10% Missingness proportion of 15% Missingness proportion of 20%
HD MI HD MI HD MI HD MI
Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value Mean (SD) t / F value
Gender Male 28.66 (4.57) 5.92 28.69 (4.55) 6.78 28.66 (5.51) 5.94 28.71 (4.50) 5.98 28.67 (5.48) 5.94 28.69 (4.48) 6.07 28.62 (5.44) 5.74 28.62 (4.34) 5.44 28.65 (5.39) 5.79
Female 27.74 (4.64)   27.73 (4.63)   27.73 (5.53)   27.79 (4.63)   27.74 (5.49)   27.76 (4.59)   27.72 (5.43)   27.80 (4.52)   27.73 (5.34)  
Grade Junior 28.30 (4.57) 1.46* 28.31 (4.56) 1.45* 28.29 (5.66) 1.07* 28.36 (4.52) 1.83* 28.30 (5.71) 1.06* 28.33 (4.48) 1.65* 28.27 (5.75) 1.01* 28.30 (4.42) 1.34* 28.28 (5.84) 1.01*
Senior 28.06 (4.74)   28.07 (4.73)   28.04 (8.11)   28.07 (4.70)   28.05 (8.07)   28.06 (4.69)   28.03 (8.18)   28.08 (4.65)   28.04 (8.12)  
Record Excellent 31.09 (4.74) 63.53 31.12 (4.77) 58.28 31.06 (5.89) 32.24 31.07 (4.79) 61.51 31.04 (5.92) 30.01 31.05 (4.76) 60.70 30.97 (5.90) 28.13 30.96 (4.80) 54.56 31.00 (5.93) 27.18
Good 29.46 (4.46)   29.41 (4.46)   29.43 (5.62)   29.45 (4.41)   29.45 (5.58)   29.42 (4.46)   29.38 (5.62)   29.27 (4.35)   29.35 (5.54)  
Average 28.13 (4.38)   28.14 (4.37)   28.12 (5.57)   28.18 (4.34)   28.12 (5.55)   28.13 (4.30)   28.08 (5.51)   28.15 (4.26)   28.10 (5.47)  
Poor 26.46 (4.38)   26.53 (4.63)   26.49 (5.78)   26.56 (4.59)   26.53 (5.72)   26.58 (4.55)   26.55 (5.69)   26.66 (4.55)   26.59 (5.70)  
Residence Urban 28.57 (4.86) 0.46* 28.58 (4.98) 0.29* 28.59 (6.07) 0.64* 28.56 (4.91) 0.25* 28.54 (6.01) 0.41* 28.75 (4.86) 0.74* 28.54 (5.96) 0.51* 28.71 (4.77) 0.67* 28.65 (5.85) 0.50*
Rural 28.21 (4.62)   28.22 (4.60)   28.20 (5.87)   28.25 (4.57)   28.21 (5.83)   28.22 (4.54)   28.18 (5.78)   28.21 (4.49)   28.19 (5.72)  
Communication Usually 28.87 (4.55) 32.29 28.86 (4.55) 29.15 28.86 (5.71) 8.63 28.90 (4.49) 31.29 28.87 (5.68) 8.11 28.86 (4.47) 30.47 28.83 (5.64) 8.18 28.85 (4.42) 30.57 28.86 (5.57) 8.15
Sometimes 27.83 (4.34)   27.85 (4.33)   27.82 (5.49)   27.90 (4.35)   27.83 (5.50)   27.87 (4.31)   27.80 (5.44)   27.85 (4.26)   27.80 (5.39)  
Scarcely 26.23 (5.23)   26.33 (5.18)   26.28 (6.42)   26.31 (5.04)   26.26 (6.27)   26.39 (5.10)   26.26 (6.30)   26.38 (4.94)   26.31 (6.27)  
Never 25.68 (4.75)   25.63 (4.84)   25.66 (6.20)   25.81 (4.78)   25.79 (6.11)   25.81 (4.63)   25.78 (5.96)   25.74 (4.67)   25.72 (5.99)  
Unclear 26.45 (4.94)   26.45 (4.92)   26.45 (6.29)   26.45 (5.02)   26.44 (6.34)   26.26 (4.99)   26.31 (6.30)   26.55 (4.82)   26.35 (6.23)  
  1. HD Hot-deck imputation, MI multiple imputation. SD standard deviation
  2. * p > 0.05