Table 1.
Sample characteristics and descriptive statistics.
| Variable | Men (n = 4253) |
Women (n = 5102) |
p for difference |
|---|---|---|---|
| Mean (SD) or % | Mean (SD) or % | ||
| Age (range 18–80) | 45.51 (16.95) | 47.88 (17.71) | <0.001 |
| BMI (range 13.60–82.10) | 29.04 (6.38) | 29.73 (7.81) | <0.001 |
| Smoker (“yes") | 19% | 16% | 0.003 |
| Heavy alcohol use (“yes") | 18% | 9% | <0.001 |
| Physical activity | <0.001 | ||
| No moderate or vigorous | 45% | 49% | |
| No vigorous but at least moderate | 45% | 45% | |
| Vigorous | 10% | 6% | |
| Pregnant (“yes") | NA | 1% | |
| Depression sum score | 4.11 (4.10) | 4.86 (4.53) | <0.001 |
| Depressive symptoms (“yes") | |||
| Little interest | 10% | 12% | 0.030 |
| Feeling down | 8% | 10% | 0.035 |
| Sleep problems | 21% | 23% | 0.078 |
| Feeling tired | 20% | 26% | <0.001 |
| Appetite | 10% | 15% | <0.001 |
| Feeling bad | 6% | 9% | <0.001 |
| Trouble concentrating | 8% | 9% | 0.009 |
| Psychomotor change | 5% | 5% | 0.156 |
| Suicidality | 2% | 2% | 0.968 |
| Testosterone, total (ng/dL)† | 404.89 (170.16) | 21.79 (12.28) | <0.001 |
| Low total testosterone | 29% | 33% |
Note. † range 1.23–1096.30 for men, 0.25–70 for women.