Table 1 Demographic and clinical measures of the sample.
From: A specific neural substrate predicting current and future impulsivity in young adults
Total | Healthy | Distressed baseline | Distressed baseline (subsample with 6-month follow-up) | Distressed 6-month follow-up | Distressed: 6-month vs. baseline significance testing | |
|---|---|---|---|---|---|---|
N | 114 | 47 | 67 | 30 | – | – |
Age (y) | 21.7 (2.1) | 21.7 (2.1) | 21.7 (2.1) | 21.2 (1.73) | – | – |
Gender (% female) | 72% | 72% | 71% | 83% | – | – |
Education | 5.4 (1.2) | 5.6 (1.3) | 5.4 (1.1) | 5.2 (1.1) | – | – |
UPPS-P total | 2.1 (0.38) | 1 (0.33) | 2.2 (0.38) | 2.1 (0.32) | 2.1 (0.38) | −0.7322 (p = 0.47) |
Negative urgency | 2.2 (0.62) | 1.8 (0.48) | 2.5 (0.51) | 2.5 (0.57) | 2.3 (0.56) | −1.38 (p = 0.17) |
Lack of premeditation | 1.8 (0.45) | 1.7 (0.35) | 1.8 (0.52) | 1.7 (0.47) | 1.7 (0.45) | −0.03 (p = 0.98) |
Lack of perseverance | 2.0 (0.54) | 1.7 (0.43) | 2.2 (0.51) | 2.2 (0.56) | 2.2 (0.60) | −0.25 (p = 0.81) |
Sensation seeking | 2.8 (0.58) | 3.0 (0.53) | 2.7 (0.55) | 2.5 (0.58) | 2.6 (0.70) | 0.48 (p = 0.63) |
Positive urgency | 1.7 (0.61) | 1.6 (0.45) | 1.9 (0.65) | 1.8 (0.53) | 1.6 (0.61) | −1.0 (p = 0.32) |
MASQ-AD | 2.9 (0.71) | 2.4 (0.58) | 3.3 (0.55) | 3.3 (0.60) | 2.9 (0.66) | −2.38 (p = 0.02) |
YMRS | 1.5 (1.9) | 0.3 (1.4) | 2.4 (1.7) | 2.4 (1.57) | 2.6 (2.25) | 0.27 (p = 0.79) |
HAM-D | 8.9 (7.7) | 1.4 (2.3) | 14.2 (5.4) | 13.8 (5.50) | 11.4 (5.3) | −1.72 (p = 0.09) |
HAM-A | 7.3 (6.7) | 1.0 (1.2) | 11.8 (5.2) | 11.0 (5.15) | 9.0 (5.6) | −1.41 (p = 0.16) |
MDD | 45% | 0% | 76% | 77% | – | – |
GAD | 46% | 0% | 79% | 83% | – | – |
Bipolar disorder | 2.6% | 0% | 4.5% | 3.3% | – | – |
ADHD | 3.5% | 0% | 6.0% | 6.7% | – | – |
Taking medication | 2.6% | 0% | 4.5% | 0% | 20% | 6.67 (p = 0.01) |