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Table 3 Chi-square tests to assess the correlations between carrying rs1042718 minor allele and behavioral factors

From: Interactions between Social/ behavioral factors and ADRB2 genotypes may be associated with health at advanced ages in China

Social/behavioral factor

Regular exercise

Negative emotion

Yes

No

Yes

No

% carriers of rs1042718 allele

56.8%

55.3%

52.2%

59.3%

p of Chi-square test

p = 0.723

p = 0.055

Conclusion concerning rGE

rGE does not exist

rGE exists marginally