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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Psychiatr Genet. 2009 Aug;19(4):186–194. doi: 10.1097/YPG.0b013e32832cec89

Table 4.

Differences in attitudes according to willingness to participate in genetic research by ethnic group

Mean scores (standard deviation)a
Blacks Willing to participate Hispanics Willing to participate Whites Willing to participate

Genetic research attitudes Yes (nλ=λ125) No (nλ=λ48) Yes (nλ=λ79) No (nλ=λ23) Yes (nλ=λ60) No (nλ=λ16)
λBeneficial to individual and society 15.12 (4.76) 15.98 (3.63) 16.47 (3.56) 16.26 (3.52) 17.03 (2.58) 14.88 (2.96)b, **
Important to participate for education and knowledge 9.94 (3.20) 10.17 (2.45) 10.59 (2.13) 10.17 (2.03) 11.18 (1.29) 9.63 (1.48)***
Mistrust and Wariness 8.36 (3.58) 10.78 (2.75)*** 8.44 (2.65) 10.09 (2.65)** 8.76 (2.44) 8.33 (2.80)
Desire to learn more about genetic research 6.71 (2.25) 6.70 (1.67) 6.65 (1.49) 6.61 (1.73) 6.93 (1.44) 6.75 (1.66)
Stigma 3.24 (2.35) 4.07 (1.82)* 3.13 (1.51) 3.87 (1.84)* 3.68 (1.64) 4.25 (1.88)
Participate only for incentives 4.09 (2.53) 5.28 (1.96)*** 5.02 (1.76) 5.13 (2.01) 5.55 (1.43) 5.42 (1.64)
Mental illness caused by both genes and environment 8.01 (2.75) 8.46 (2.12) 8.39 (2.11) 8.83 (1.77) 8.77 (1.54) 8.79 (1.77)
Mental illness caused primarily by genes 4.79 (1.93) 5.10 (1.49) 5.34 (1.47) 5.78 (1.24) 5.15 (1.28) 4.75 (1.46)
a

Higher mean scores indicate greater endorsement of a given factor

b

Analysis of variance based on the general linear model, F-ratio two-tailed significance:

*

P≤0.05.

**

P≤0.01.

***

P≤0.001.