Table 1.
Baseline demographic characteristics of study participants
| Full responders (n =55) | Partial Responders (n =75) | Non Responders (n =45) | F or X2 | df1 | p | |
|---|---|---|---|---|---|---|
| Age | 73.6 (7.8) | 72.2 (7.9) | 73.7 (7.8) | 0.77 | 172 | 0.47 |
| %Women (n) | 73% (40) | 65% (49) | 73% (33) | 1.20 | 2 | 0.55 |
| %Caucasian (n) | 85% (47) | 93% (70) | 71% (32) | 10.99 | 2 | 0.0043 |
| Education, yrs | 13.5 (3.2) | 13.6 (2.6) | 12.8 (2.3) | 1.39 | 168 | 0.25 |
| Hollingshead Index of Socioeconomic Status | 43.6 (16.8) | 45.2 (15.3) | 42.1 (15.3) | 0.51 | 160 | 0.60 |
1
Denominator degrees of freedom for F ratios, numerator df =2.
2
Natural log transformation prior to statistical comparison.
3
Post-hoc: Partial responders differ from non responders.