Table 2 Characteristics of the development and validation samples

From: Relationship between erectile function and sexual self-confidence: a path analytic model in men being treated with tadalafil

  Development (N=1433) Validation (N=478)
Covariates n (%) or mean±s.d. n (%) or mean±s.d.
Age (years) 55.2±10.7 54.8±11.2
ED severity
 Mild 618 (43.2) 198 (41.5)
 Moderate 340 (23.8) 111 (23.3)
 Severe 472 (33.0) 168 (35.2)
Prior PDE-5 use 1 225 (85.5) 418 (87.5)
Comorbidity index 1 225 (85.5) 418 (87.5)
 0 Comorbid conditions 471 (32.9) 186 (38.9)
 1 Comorbid condition 470 (32.8) 160 (33.5)
 2+ Comorbid conditions 492 (34.3) 132 (27.6)
Coronary artery disease 11 (0.8) 0 (0.0)
Depression 200 (14.0) 58 (12.1)
Diabetes 245 (17.1) 70 (14.6)
Hypertension 591 (41.2) 158 (33.1)
Obesity 524 (36.6) 164 (34.3)
Number of concomitant medications 1.5±1.7 1.2±1.5
 Anti-depressants 202 (14.1) 59 (12.3)
 Calcium channel blocker 188 (13.1) 48 (10.0)
 Statins 359 (25.1) 86 (18.0)
Lifestyle index
 0 Smoking or alcohol use 1 116 (78.0) 378 (79.3)
 1 Smoking or alcohol use 301 (21.0) 91 (19.1)
 2 Smoking and alcohol use 14 (1.0) 8 (1.7)
Smoking 292 (20.4) 89 (18.6)
Alcohol use (yes) 37 (2.6) 19 (4.0)
Latent factors
 Sexual self-confidence 4.6±3.9 4.5±4.0
 Erectile function 5.1±3.7 4.9±3.8
 Sexual communication conflict 13.2±2.4 13.3±2.3
 Sexual satisfaction 4.0±3.0 3.8±3.1
 Time concerns 11.2±2.0 11.3±2.0
 Spontaneity 1.2±2.8 1.2±2.7