Concordant mental disorders in couples versus non-couples, 2002–2013 (with dual propensity score matching for gender, age and Charlson Comorbidity Index; χ2 test; N=11 286 pairs)
| Concordant affective disorders | Concordant anxiety disorders | Concordant other mental disorders | No concordance | χ2 p Value | |||||
|---|---|---|---|---|---|---|---|---|---|
| Variables | n1 | Per cent | n2 | Per cent | n3 | Per cent | n4 | Per cent | |
| Relation | <0.0001* | ||||||||
| Non-couple | 1 | 0.02 | 1 | 0.02 | 6 | 0.11 | 5635 | 99.86 | |
| Couple | 11 | 0.19 | 393 | 6.96 | 178 | 3.15 | 5061 | 89.69 | |
*p<0.05, with 1:1 propensity score matching according to gender, age and Charlson Comorbidity Index for the four individuals in the couples and non-couple pairs.