Table 2. Pair-wise correlations (confidence intervals are provided in S2 Table) for each trait in each of the four comparison groups (MZ twin pairs living together, MZ twin pairs living apart, twin-spouse pairs, unrelated individuals) ordered by concordance in twins living together.

		Twin-Twin Living Together		Twin-Twn Living Apart		Twin-Spouse		Unrelated
Variable	Description	Correlation	P-Value	Correlation	P-Value	Correlation	P-Value	Correlation	P-Value
telomerelength	Telomere length	0.9133	0.0000*	0.8561	0.0000*	-0.0279	0.8270	0.0003	0.9963
cotinine	Cotinine	0.9001	0.0000*	0.3469	0.0000*	0.2950	0.0189	0.0739	0.2897
height	Height (cm)	0.8841	0.0000*	0.9126	0.0000*	0.1451	0.2526	0.0440	0.5265
triglycerides	Triglycerides (mmol/L)	0.8838	0.0000*	0.3777	0.0000*	0.0783	0.5454	-0.0491	0.4885
hip	Hip circumference (cm)	0.8035	0.0000*	0.6716	0.0000*	0.3027	0.0159	-0.0613	0.3812
BMI	Body mass index (kg/m2)	0.8007	0.0000*	0.6239	0.0000*	0.2560	0.0464	-0.0252	0.7193
weight	Weight (kg)	0.7901	0.0000*	0.6832	0.0000*	0.2053	0.1125	-0.0968	0.1661
IL6R	Interleukin-6 receptor	0.7794	0.0000*	0.8038	0.0000*	0.2900	0.0259	-0.1104	0.1189
waist	Waist circumference (cm)	0.7671	0.0000*	0.5477	0.0000*	0.1174	0.3595	-0.0626	0.3705
PCT	Platelet Cout	0.7504	0.0000*	0.6870	0.0000*	0.1156	0.3628	-0.0487	0.4870
MCV	Mean corpuscular volume (fl)	0.7396	0.0000*	0.7561	0.0000*	0.0733	0.5646	0.1344	0.0542
basophils	Basophils (10*9/L)	0.7245	0.0000*	0.6079	0.0000*	0.0254	0.8423	0.0044	0.9500
LDL	LDL cholesterol (mmol/L)	0.7096	0.0000*	0.7039	0.0000*	0.0651	0.6093	-0.0026	0.9699
MPV	Mean platelet volume (fl)	0.6957	0.0000*	0.7703	0.0000*	-0.0880	0.4893	-0.0399	0.5691
RDWSD	Red cell distribution width, standard variation	0.6936	0.0000*	0.6657	0.0000*	0.0309	0.8086	0.0558	0.4257
PDW	Platelet distribution width	0.6918	0.0000*	0.7456	0.0000*	-0.0893	0.4828	-0.0138	0.8437
PLT	Platelets (10*9/L)	0.6847	0.0000*	0.6708	0.0000*	0.1011	0.4265	-0.0413	0.5556
cholesterol	Total cholesterol (mmol/L)	0.6684	0.0000*	0.6464	0.0000*	-0.0132	0.9176	0.0593	0.3961
MCH	Mean corpuscular hemoglobin (fmol)	0.6662	0.0000*	0.7019	0.0000*	0.0012	0.9925	-0.0252	0.7189
creatinine	Creatinine (mol/L)	0.6657	0.0000*	0.6441	0.0000*	0.3282	0.0081	0.0972	0.1635
HR	Heart rate (bpm)	0.6395	0.0000*	0.3131	0.0001*	0.0378	0.7686	0.0119	0.8643
DBP	Diastolic blood pressure (mmHg)	0.6323	0.0000*	0.5213	0.0000*	0.0518	0.6868	-0.0558	0.4214
eosinophils	Eosinophils (10*9/L)	0.6233	0.0000*	0.4949	0.0000*	0.0134	0.9163	-0.0014	0.9838
WHR	Waist to hip ratio (cm/cm)	0.6026	0.0000*	0.4095	0.0000*	-0.1052	0.4121	-0.0575	0.4118
WBC	White blood cell count (10*9/L)	0.6001	0.0000*	0.5301	0.0000*	0.2986	0.0165	-0.0797	0.2634
lymphocytes	Lymphocytes (10*9/L)	0.5975	0.0000*	0.5353	0.0000*	0.2148	0.0909	-0.0489	0.4875
SBP	Systolic blood pressure (mmHg)	0.5948	0.0000*	0.5810	0.0000*	0.2139	0.0923	-0.0775	0.2636
insulin	Insulin (microIU/ml)	0.5925	0.0000*	0.3254	0.0001*	0.1678	0.2041	-0.0608	0.3940
fibrinogen	Fibrinogen (g/L)	0.5886	0.0000*	0.4423	0.0000*	-0.0080	0.9522	-0.0248	0.7350
monocytes	Monocytes (10*9/L)	0.5873	0.0000*	0.6474	0.0000*	0.0928	0.4693	0.1068	0.1314
neutrophils	Neutrophils (10*9/L)	0.5800	0.0000*	0.3687	0.0000*	0.2512	0.0453	-0.0529	0.4556
CRP	C-reactive protein (mg/L)	0.5730	0.0000*	0.3200	0.0002*	-0.1983	0.1287	0.0936	0.2012
RDWCV	Red cell distribution width, coefficient variation	0.5708	0.0000*	0.5665	0.0000*	-0.0895	0.4821	0.0752	0.2826
HDL	HDL cholesterol (mmol/L)	0.5697	0.0000*	0.7372	0.0000*	0.0498	0.6960	-0.0147	0.8331
GGT	Gamma glutamyl transpeptidase (U/L)	0.5630	0.0000*	0.5487	0.0000*	-0.0277	0.8277	0.0488	0.4853
MCHC	Mean corpuscular hemoglobin concentration (mmol/L)	0.5510	0.0000*	0.5076	0.0000*	-0.0445	0.7289	0.0966	0.1670
RBC	Red blood cell count (10*12/L)	0.5446	0.0000*	0.6880	0.0000*	0.2382	0.0580	0.0722	0.3035
glucose	Glucose (mmol/L)	0.5342	0.0000*	0.4509	0.0000*	0.2283	0.0794	-0.1023	0.1496
HGB	Hemoglobin (mmol/L)	0.5285	0.0000*	0.4730	0.0000*	0.1138	0.3708	0.0395	0.5735
HCT	Hematocrit (ratio)	0.4834	0.0002*	0.5137	0.0000*	0.0950	0.4553	0.0799	0.2548
ALT	Alanine transaminase (U/L)	0.4445	0.0006*	0.3756	0.0000*	0.2899	0.0201	0.0149	0.8313
AST	Aspartate aminotransferase (U/L)	0.3495	0.0077	0.3411	0.0000*	0.1013	0.4297	0.0137	0.8452
IFNg	Interferon gamma (pg/ml)	0.3270	0.0205	0.2404	0.0051	0.1498	0.2704	-0.0675	0.3611
IL8	Interleukin-8 (pg/ml)	0.3237	0.0193	0.4329	0.0000*	0.4530	0.0005*	-0.0256	0.7236
GMCSF	Granulocyte-macrophage colony-stimulating factor (pg/ml)	0.2370	0.0940	-0.0499	0.5600	-0.0292	0.8294	0.1685	0.0202
IL2	Interleukin-2 (pg/ml)	0.1461	0.2967	0.0960	0.2662	-0.1095	0.4263	0.1014	0.1651
IL6	Interleukin-6 (pg/ml)	0.1244	0.3846	0.0931	0.2703	-0.0508	0.7024	-0.0115	0.8736
TNFA	Tumor necrosis factor alpha (pg/ml)	0.0628	0.6651	0.1573	0.0655	0.1206	0.3851	0.0296	0.6872
IL1b	Interleukin-1 beta (pg/ml)	-0.0058	0.9682	0.1149	0.1894	0.1727	0.2117	-0.1439	0.0540
IL10	Interleukin-10 (pg/ml)	-0.0603	0.6773	-0.0322	0.7129	-0.0331	0.8107	-0.0425	0.5672
IL12p70	Interleukin-12p70 (pg/ml)	-0.1040	0.4769	-0.0482	0.5888	-0.1040	0.4632	-0.0093	0.9018

Significant p-values (p < 0.001) are denoted with a *.