Table 1 Descriptive statistics of demographics across the whole sample (N = 55).
From: Exposure to childhood maltreatment is associated with specific epigenetic patterns in sperm
Whole sample N = 55 | Low CME N = 26 | High CME N = 29 | High/Low CME group difference | |||||
|---|---|---|---|---|---|---|---|---|
Mann Whitney U test | ||||||||
Continous variables | Mean | SD | Mean | SD | Mean | SD | p | Rank-Biserial |
Correlation | ||||||||
Age (years) | 38.764 | 5.910 | 36.828 | 4.699 | 40.583 | 6.593 | 0.054 | −0.310 |
Body mass index (kg/m2) | 26.197 | 4.057 | 25.869 | 3.912 | 26.790 | 4.357 | 0.589 | −0.089 |
Waist circumference (cm) | 92.095 | 11.184 | 92.369 | 11.824 | 91.917 | 11.003 | 0.754 | 0.052 |
EPDS score | 3.505 | 3.317 | 2.303 | 2.436 | 4.750 | 3.391 | 0.005 | −0.451 |
SCL-90 score | 3.455 | 3.452 | 2.276 | 2.814 | 4.917 | 3.741 | 0.002 | −0.493 |
Average daily alcohol consumption | 0.483 | 0.531 | 0.631 | 0.645 | 0.315 | 0.295 | 0.046 | 0.319 |
TADS factor sum | 13.321 | 14.350 | 1.034 | 1.017 | 28.167 | 6.631 | <0.001 | −1.000 |
TADS direct sum score | 24.528 | 22.655 | 4.690 | 2.480 | 48.500 | 7.553 | <0.001 | −1.000 |
Semen sample volume (ml) | 3.182 | 1.490 | 3.410 | 1.435 | 3.000 | 1.573 | 0.227 | 0.195 |
Sperm concentration 10exp6/ml | 113.724 | 84.667 | 109.800 | 78.234 | 107.304 | 85.355 | 0.837 | 0.034 |
Purified sperm concentration 10exp6/ml | 167.213 | 153.247 | 177.193 | 163.072 | 152.346 | 147.700 | 0.642 | 0.076 |
Categorical variables (frequencies) | N | N | N | |||||
Educational level | low | 16 | 4 | 12 | 0.273 | 1.201a | ||
mid | 17 | 11 | 6 | |||||
high | 22 | 11 | 11 | |||||
Relationship status | single | 2 | 1 | 1 | 0.744 | 0.107a | ||
married | 35 | 15 | 20 | |||||
cohabitation | 15 | 7 | 8 | |||||
separated | 3 | 3 | 0 | |||||
0.321 | 0.134 | |||||||
Smoking | Yes | 19 | 10 | 9 | ||||
No | 36 | 16 | 20 | |||||
