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. 2018 Aug 10;13(8):e0201168. doi: 10.1371/journal.pone.0201168

Table 4. Association of explicit racial/ethnic bias measures with participant characteristics.

Ethnic Preferencea Warmth differenceb Compliance mean paired differenceb Competence mean paired differenceb
n Unadjusted mean Adjusted difference n Unadjusted mean Adjusted difference Unadjusted mean Adjusted difference Unadjusted mean Adjusted difference
Factor (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI) (95% CI)
Agec
21–23 125 4.26 (4.13, 4.38) Reference 125 0.12 (-0.05, 0.29) Reference 0.25 (0.16, 0.35) Reference 0.41 (0.32, 0.50) Reference
24–26 85 4.24 (4.11, 4.36) -0.09 (-0.29, 0.12) 85 0.33 (0.15, 0.51) 0.16 (-0.13, 0.46) 0.37 (0.24, 0.50) 0.08 (-0.10, 0.26) 0.33 (0.23, 0.44) -0.12 (-0.28, 0.04)
27+ 20 3.95 (3.66, 4.24) -0.26 (-0.64, 0.11) 20 -0.05 (-0.41, 0.31) -0.12 (-0.66, 0.41) 0.37 (0.14, 0.59) 0.23 (-0.10, 0.55) 0.37 (0.21, 0.52) 0.01 (-0.27, 0.30)
Gender  
M 108 4.23 (4.10, 4.37) Reference 108 0.25 (0.05, 0.45) Reference 0.33 (0.22, 0.44) Reference 0.37 (0.28, 0.47) Reference
F 125 4.21 (4.11, 4.31) -0.08 (-0.27, 0.12) 125 0.14 (0.01, 0.27) -0.13 (-0.42, 0.15) 0.30 (0.21, 0.40) 0.06 (-0.11, 0.23) 0.38 (0.29, 0.46) 0.03 (-0.12, 0.18)
SES  
Low 8 3.88 (3.43, 4.32) -0.16 (-0.72, 0.40) 8 -0.12 (-0.91, 0.66) -0.14 (-0.94, 0.66) 0.08 (-0.12, 0.29) -0.16 (-0.64, 0.33) 0.12 (-0.05, 0.30) -0.35 (-0.78, 0.08)
Lower-middle 43 4.05 (3.87, 4.22) -0.13 (-0.41, 0.15) 43 0.00 (-0.18, 0.18) -0.14 (-0.54, 0.26) 0.30 (0.12, 0.49) 0.00 (-0.25, 0.24) 0.29 (0.18, 0.41) -0.16 (-0.37, 0.06)
Middle 84 4.19 (4.01, 4.37) Reference 84 0.10 (-0.13, 0.32) Reference 0.33 (0.19, 0.47) Reference 0.48 (0.33, 0.62) Reference
Upper-middle 85 4.35 (4.21, 4.50) 0.08 (-0.15, 0.32) 85 0.40 (0.16, 0.64) 0.28 (-0.06, 0.61) 0.31 (0.18, 0.44) 0.11 (-0.09, 0.31) 0.29 (0.19, 0.39) -0.13 (-0.31, 0.05)
High 13 4.31 (3.93, 4.69) 0.04 (-0.40, 0.47) 13 0.23 (-0.14, 0.60) 0.06 (-0.56, 0.68) 0.38 (-0.03, 0.80) 0.20 (-0.18, 0.58) 0.67 (0.36, 0.97) 0.27 (-0.07, 0.60)
Ethnicityd  
    NZ European 139 4.28 (4.19, 4.37) Reference 139 0.24 (0.11, 0.38) Reference 0.20 (0.12, 0.28) Reference 0.33 (0.26, 0.40) Reference
    Māori 14 3.71 (3.38, 4.05) -0.37 (-0.79, 0.05) 14 -0.21 (-0.54, 0.11) -0.16 (-0.77, 0.44) 0.52 (0.07, 0.97) 0.40 (0.04, 0.77) 0.45 (0.15, 0.75) 0.13 (-0.20, 0.45)
    Pacific 6 3.33 (2.80, 3.87) -0.97 (-1.61, -0.32) 6 -0.33 (-0.67, 0.00) -0.44 (-1.36, 0.49) 0.11 (-0.22, 0.44) 0.13 (-0.43, 0.69) 0.56 (0.20, 0.91) 0.36 (-0.13, 0.86)
    Asian 72 4.28 (4.10, 4.45) -0.07 (-0.31, 0.18) 72 0.21 (-0.06, 0.47) -0.03 (-0.38, 0.32) 0.50 (0.36, 0.65) 0.29 (0.07, 0.50) 0.45 (0.31, 0.59) 0.06 (-0.13, 0.25)
Nativity  
Born in NZ 145 4.17 (4.06, 4.27) Reference 145 0.14 (-0.02, 0.31) Reference 0.22 (0.13, 0.31) Reference 0.32 (0.24, 0.39) Reference
Born Overseas 88 4.31 (4.13, 4.48) 0.1 (-0.14, 0.33) 88 0.26 (0.06, 0.46) 0.07 (-0.26, 0.40) 0.46 (0.31, 0.62) 0.18 (-0.02, 0.38) 0.47 (0.34, 0.60) 0.15 (-0.02, 0.33)
SDRS
0 116 4.30 (4.16, 4.45) Reference 123 0.28 (0.08, 0.48) Reference 0.37 (0.26, 0.48) Reference 0.38 (0.27, 0.49) Reference
1 68 4.16 (4.00, 4.32) -0.13 (-0.35, 0.09) 69 0.13 (-0.08, 0.34) -0.10 (-0.42, 0.22) 0.23 (0.07, 0.39) -0.15 (-0.35, 0.04) 0.34 (0.24, 0.45) -0.07 (-0.24, 0.10)
2 32 4.00 (3.83, 4.17) -0.27 (-0.57, 0.03) 33 -0.16 (-0.46, 0.15) -0.39 (-0.81, 0.03) 0.32 (0.10, 0.55) -0.10 (-0.36, 0.15) 0.47 (0.28, 0.66) 0.07 (-0.15, 0.30)
3 15 4.33 (3.97, 4.70) 0.08 (-0.32, 0.49) 15 0.47 (0.00, 0.93) 0.17 (-0.41, 0.75) 0.27 (-0.03, 0.56) -0.06 (-0.41, 0.29) 0.36 (0.16, 0.55) 0.04 (-0.27, 0.35)
4 0 - - 0
5 2 0 (—) 0 (—) 2 0 (—) 0 (—) 0 (—) -0.39 (-1.33, 0.54) 0 (—) -0.60 (-1.43, 0.22)

a Ethnic preference reverse scored. Scores above 4 (neutral) indicate preference for NZE relative to Māori, and scores below 4 indicate preference for Māori relative to NZE.

b Mean paired difference.

c Age missing n = 3 responses for Ethnic Preference.

d Ethnicity is prioritised, ‘Other’ ethnic grouping not included because of small numbers.

Numbers less than 5 have been censored.