Table 2.

Summary of Unweighted Correlations Between Different Loneliness Measures, by Country

Measures being compared	Min	Max	Median	Mean	Countries with measures
CES-D Item vs. Single Item	0.386 (India)	0.555 (England)	0.450	0.472	Brazil, England, India, Ireland, the United States
CES-D Item vs. Three-Item Scale	0.399 (the United States)	0.509 (England)	0.401	0.436	England, India, Ireland, the United States
Single Item vs. Three-Item Scale	0.589 (Germany)	0.777 (Italy)	0.699	0.689	Austria, Belgium, Croatia, Czech Republic, Denmark, England, Estonia, France, Germany, Greece, India, Ireland, Israel, Italy, Luxembourg, Poland, Portugal, Slovenia, Spain, Sweden, Switzerland, the United States
CES-D Item vs. de Jong Gierveld Scale	0.478	0.478	0.478	0.478	New Zealand
CES-D Item vs. Social Provisions Scale	0.384	0.384	0.384	0.384	New Zealand
de Jong Gierveld Scale vs. Social Provisions Scale	0.603	0.603	0.603	0.603	New Zealand

Notes: CES-D = Center for Epidemiological Sciences—Depression. See Supplementary Appendix Table C1 for detailed results; see Supplementary Appendix Table C2 for a summary of weighted results.