Table 6.
Factors associated with PSA testing asymptomatic men < 50 and > 75 years.
| yes | Total | Univariate | Multivariate | |||
| Num | % | Num | OR [95%CI] | OR [95%CI] | ||
| GP Characteristics | ||||||
| Gender | Male | 564 | 65.1 | 867 | 1.00 | 1.00 |
| Female | 268 | 65.7 | 408 | 1.03 [0.80,1.32] | 1.07 [0.82,1.41] | |
| P = 0.615 | ||||||
| Age group | < 50 years | 394 | 65.2 | 604 | 1.00 | 1.00 |
| ≥ 50 years | 429 | 65.0 | 660 | 0.99 [0.79,1.25] | 0.97 [0.75,1.26] | |
| P = 0.513 | ||||||
| Worked or trained in UK | No | 519 | 63.5 | 817 | 1.00 | 1.00 |
| Yes | 313 | 68.3 | 458 | 1.23 [0.97,1.58] | 1.35 [1.05,1.74] | |
| P = 0.020 | ||||||
| Post-graduate qualifications | ||||||
| Occupational Health | No | 731 | 66.3 | 1,103 | 1.00 | 1.00 |
| Yes | 61 | 53.5 | 114 | 0.59 [0.40,0.86] | 0.67 [0.45,1.00] | |
| P = 0.051 | ||||||
| MD | No | 824 | 65.8 | 1,252 | 1.00 | 1.00 |
| Yes | 8 | 34.8 | 23 | 0.28 [0.12,0.66] | 0.30 [0.12,0.73] | |
| P = 0.008 | ||||||
| Clinical Practice | ||||||
| Lowest PSA level at which to refer a 55 yr old man for urological assessment | 1.00 | 1.00 | ||||
| ≤ 7 ng/ml | 541 | 67.4 | 803 | |||
| ≥ 7 ng/ml | 206 | 62.0 | 332 | 0.79 [0.61,1.03] | 0.72 [0.54,0.95] | |
| Lab reference range | 77 | 59.7 | 129 | 0.72 [0.49,1.05] | 0.74 [0.59,1.11] | |
| P = 0.062 | ||||||
| How often should a PSA test be performed in men aged ≥ 50 years? | ||||||
| Annually or less? | No | 472 | 59.5 | 793 | 1.00 | 1.00 |
| Yes | 347 | 75.9 | 457 | 2.15 [1.66,2.77] | 2.08 [1.59,2.71] | |
| p < 0.001 | p < 0.001 | |||||
| Do you have a policy on PSA testing | ||||||
| No | 345 | 62.3 | 554 | 1.00 | 1.00 | |
| Yes | 487 | 67.5 | 721 | 1.26 [1.00,1.59] | 1.36 [1.06,1.75] | |
| p = 0.014 | ||||||
| Do you perform other tests routinely with PSA | ||||||
| Yes | 532 | 69.6 | 764 | 1.00 | 1.00 | |
| No | 299 | 59.2 | 505 | 0.63 [0.50,0.80] | 0.63 [0.49,0.81] | |
| p < 0.001 | ||||||
| Asymptomatic man diagnosed with PCa via PSA testing | ||||||
| Yes | 617 | 66.8 | 923 | 1.27 [0.99,1.65] | 1.24 [0.94,1.63] | |
| No | 207 | 61.2 | 338 | 1.00 | 1.00 | |
| p = 0.205 | ||||||
| Consider having a PSA test yourself | ||||||
| No | 23 | 47.9 | 48 | 1.00 | 1.00 | |
| Yes | 541 | 66.1 | 819 | 2.15 [1.20,3.86] | 2.02 [1.10,3.72] | |
| p = 0.034 | ||||||
The multivariate model was fully adjusted for age, gender, health board, having more than 50% patients with private health insurance, having worked or trained in UK, having a policy regarding PSA testing and having an occupational health or an MD post-graduate qualification. PCa = prostate cancer