Recreational Use of Erectile Dysfunction Medication May Decrease Confidence in Ability to Gain and Hold Erections in Young Males

P. Santtila; N. K. Sandnabba; P. Jern; M. Varjonen; K. Witting; B. von der Pahlen

Disclosures

Int J Impot Res. 2007;19(6):591-596. 

In This Article

Results

Of the participants, 96.5% (n = 4274) had not used EDM, 2.6% (n = 115) had used it for recreational purposes and 0.9% (n = 39) had been prescribed EDM to treat ED. Use of EDM was not related to homosexual experience with 8.5% of non-users, 15.0% of medicinal users and 11.4% of recreational users reporting such experience (P < 0.381). Similarly, use of EDM was not related to having a regular sexual partner with 70.5% of non-users, 85.0% of medicinal users and 76.8% of recreational users having a regular sexual partner (P < 0.210). The groups differed significantly in terms of age, F(2, 3487) = 12.73, P < 0.001, R 2 = 0.005. The participants who had not used erection medication were youngest (M = 29.42, s.e. = 0.12), medicinal users were oldest (M = 33.28, s.e. = 1.06) with recreational users in between the other two groups (M = 31.61, s.e. = 0.59). However, medicinal and recreational users did not differ significantly from each other even though both these groups differed from the non-user group. All following analyses were computed using age as a covariate.

Of EDM users, 6.5% had not had sex, 64.1% had used EDM never or almost never, 16.3% a few times (less than 50%), 2.6% sometimes (approximately 50%), 2.6% most times (over 50%) and 7.8% always or almost always during the past 4 weeks. Recreational users (M = 2.33, s.e. = 0.09) had used EDM less often during the past 4 weeks compared to medicinal users (M = 3.18, s.e. = 0.27), F(1, 147) = 8.26, P < 0.005, R 2 = 0.143.

Medicinal users reported more of all ED indicators during their first intercourse compared to both non-users and recreational users whereas recreational users reported lower levels than non-users for three of the four indicators ( Table 1 ). The differences between the groups were only significant for passing erectile problems.

There were significant differences between the groups in current erectile function, F(1, 3471) = 5.63, P < 0.004, R 2 = 0.042. Recreational users had best current erectile function (M = 19.98, s.e. = 0.50), followed by non-users (M = 18.87, s.e. = 0.12) and medicinal users (M = 16.36, s.e. = 1.04). All groups differed significantly from each other. The frequency of use was not associated with current erectile function in either the recreational or the medicinal user groups.

Recreational users had significantly more partners in the past year and had more one-night stands than both non-users and medicinal users ( Table 2 ). They also expected to have a significantly higher number of partners during the next 5 years compared to non-users. They had also experienced their first intercourse at a younger age compared to the other two groups. Non-users and medicinal users did not differ in any of the four variables reflecting an unrestricted sociosexual behavior.

Use of EDM was also related to having more than one ejaculation during a single sexual interaction, F(1, 3148) = 3.84, P < 0.022, R 2 = 0.003. Recreational users also more often experienced more than one ejaculation during one sexual interaction (M = 1.94, s.e. = 0.07) compared to non-users (M = 1.71, s.e. = 0.01) but not compared to medicinal users (M = 1.80, s.e. = 0.19). Medicinal users and non-users did not differ from each other.

Medicinal users had the lowest confidence in their ability to gain and hold erections, followed by recreational users and non-users, F(1, 3455) = 23.59, P < 0.001, R 2 = 0.022 (Figure 1). Planned simple contrasts showed that all three groups differed significantly from each other.

Confidence in ability to gain and hold erections among non-users, medicinal users and recreational users of erection medication.

The frequency of using EDM was related to the level of confidence in ability to gain and hold erections both among medicinal users r p = -0.52, B = -0.38, s.e. = 0.10, t = 3.63, P < 0.001, R 2 = 0.266 and among recreational users r p = -0.24, B = -0.20, s.e. = 0.10, t = 2.01, P < 0.045, R 2 = 0.059. In both groups, more frequent use of EM was associated with less confidence in ability to gain and hold erections. Age as such was not related to the confidence variable, r p = -0.03, B = -0.00, s.e. = 0.00, t = 1.67, P < 0.095, R 2 = 0.001, suggesting that there was no overall trend toward lowered confidence. Those having a regular sexual partner were more confident with their erection (M = 3.53, s.e. = 0.02) than those without such a partner (M = 3.01, s.e. = 0.03), F(1, 2390) = 186.63, P < 0.001, R 2 = 0.079.

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