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. 2012 Mar 3;27(3):225–231. doi: 10.1007/s10654-012-9661-2

Table 2.

Prevalence, probandwise concordance rates, tetrachoric intra pair correlations, and OR with 95% CI for Pines Burnout (Pines BM) Measure (binary variable) in a Swedish cohort of MZ, same-sexed DZ and opposite sexed (OS) twins

Participants Concordant pairs Pines BM (n) Discordant pairs (n) Concordant pairs no Pines BM (n) Concordance rates Tetrachoric correlation OR (95% CI) Prevalence Pines BM (%)
All
 MZ 268 756 2,014 0.42 0.44 3.78 (3.30–4.33) 19.7
 DZ 116 587 1,362 0.28 0.20 1.83 (1.54–2.19) 18.1
 OS 92 587 1,328 0.24 0.11 1.42 (1.18–1.71) 16.9
Men
 MZ 48 201 902 0.32 0.44 4.29 (3.23–5.69) 12.0
 DZ 6 156 621 0.07 0.13 0.61 (0.33–1.13) 10.7
Women
 MZ 220 555 1,112 0.44 0.40 3.18 (2.72–3.71) 26.4
 DZ 110 431 741 0.34 0.20 1.76 (1.45–2.13) 25.4