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Table 3 Cross-twin cross-trait correlations and 95% CI for the study by zygosity

From: The relationships between IBS and perceptions of physical and mental health—a Norwegian twin study

IBS correlation with MZ DZ
SRH physical 0.13 (0.09;0.18) 0.16 (0.11;0.20)
SRH mental 0.23 (0.19;0.27) 0.04 (− 0.01;0.09)
Physical health hinders activities 0.19 (0.15;0.23) 0.16 (0.11;0.20)
Mental health hinders activities 0.15 (0.11;0.20) 0.14 (0.10;0.19)