Table 1: Comparison of elderly psychiatric inpatients with and without a SUD.

SUD () NO SUD ()Significance

Age (years) (-test)

Length of stay (days) (-test)

Gender: (%) (%)
 Men 110 (52.4%)592 (37.5%) (Pearson Chi-Square, 2-sided)
 Women100 (47.6%)982 (62.2%)

Marital status: (%) (%)
 Married78 (37.1%)593 (37.5%) (Pearson Chi-Square, 2-sided)
 Divorced41 (19.5%)188 (11.9%)
 Single34 (16.2%)243 (15.4%)
 Widowed50 (23.8%)502 (31.8%)
 Separated7 (3.3%)52 (3.2%)

Multiple psychiatric admissions (%) (%)
 Yes80 (38.1%)788 (49.9%) (Fisher exact test)
 No130 (61.9%)790 (50.0%)