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Table 2 Frequency of masturbation during the past month in Norwegian women and men, by age groups (percent)

From: A Seemingly Paradoxical Relationship Between Masturbation Frequency and Sexual Satisfaction

Masturbation frequency All  < 30 years 30–39 years 40–49 years 50–59 years 60–69 years 70 + years p Eta squared
Women
None 33.7 22.5 26.4 29.7 40.3 46.0 59.4 < .001 .97
Once 18.5 16.9 16.2 16.3 20.7 23.0 21.3   
2 or 3 times 24.4 26.3 26.6 27.4 24.8 20.6 13.8   
Once a week 10.1 15.3 10.2 11.8 6.9 6.3 3.1   
2 or 3 times a week 12.0 16.1 19.3 13.7 6.9 3.6 2.5   
Once a day 1.1 2.5 0.8 1.1 0.3 0.4 0.0   
More than once a day 0.2 0.4 0.5 0.0 0.0 0.0 0.0   
n =  1820 472 383 263 290 252 160   
Men
None 15.8 4.8 5.1 6.4 14.3 27.9 42.7 < .001 .97
Once 10.1 4.5 5.4 6.4 10.7 13.2 22.5   
2 or 3 times 19.1 15.2 14.0 19.3 21.0 29.4 19.0   
Once a week 15.1 14.6 17.9 16.2 19.9 11.8 7.9   
2 or 3 times a week 29.2 40.3 40.9 36.4 28.4 15.4 7.0   
Once a day 8.7 17.5 13.0 12.5 4.3 1.8 0.6   
More than once a day 2.0 3.1 3.7 2.8 1.3 0.4 0.3   
n =  2069 355 408 327 391 272 316   
  1. One-way ANOVA testing for group differences