TABLE 4.
Final multivariate logistic regression models for ED incidence (N=814, only those eligible to develop moderate/complete ED) from T1 to T2, by T1 characteristics.
| ED Incidence Model | ||
|---|---|---|
| Odds ratio & 95% confidence interval |
Wald F-test p-value* |
|
| Education† | ||
| High school or less vs. advanced study beyond college |
1.31 0.68 – 2.55 |
0.42 |
| Some college or BA vs. advanced study beyond college |
2.07 1.23 – 3.48 |
0.006 |
| Psychosocial Parameters | ||
| Being fidgety, nervous or tense? | 0.57 0.31 – 1.06 |
0.08 |
| Feeling that things are coming apart or out of control |
0.23 0.06 – 0.94 |
0.04 |
| Sexual Function Parameters | ||
| During the last 6 months, have you ever had trouble getting an erection (Yes vs. no) |
2.33 1.41 – 3.85 |
< 0.001 |
| Compared to when you were an adolescent, do you feel sexually aroused (more or about the same than when an adolescent vs. less) |
0.56 0.34 – 0.92 |
0.02 |
| How frequently do you have sexual thoughts, fantasies, or erotic dreams? (2–3 times weekly or more vs. once weekly or less) |
0.55 0.33 – 0.92 |
0.02 |
| How often do you ejaculate by masturbation? (2–3+ times weekly vs. once weekly or less) |
0.54 0.26 – 1.09 |
0.08 |
| Health Status | ||
| Age (per 10 years) | 1.40 1.03 – 1.91 |
0.03 |
| BMI (per 10 kg/m2) | 1.08 0.63 – 1.85 |
0.79 |
| Number of medications (continuous) | 1.14 0.99 – 1.31 |
0.06 |
| Heart disease | 2.16 1.08 – 4.33 |
0.03 |
| Diabetes | 2.93 1.12 – 7.62 |
0.03 |
| Excellent/Very Good Health (vs. Good/Fair/Poor Health) |
0.52 0.31 – 0.89 |
0.02 |
Note: C-statistic for ED incidence model: 0.787.
*
P value shown is from a test of whether the level of the variable is significantly associated with ED.
†
P value for the test of the significance of the overall variable with ED was 0.02