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Table 2 General sexual and alcohol-related risk behaviors by prior sexually transmitted infection (STI) (n (%))

From: Extragenital chlamydia infection among active-duty women in the United States Navy

Item Overall (n = 60) Current or prior STI
No (n = 37) Yes (n = 23) P-valuea
Vaginal sex with male partner     0.978
 Never 1 (1.7) 1 (2.7) 0 (0)  
 One time or a few times a year 9 (15.0) 5 (13.5) 4 (17.4)  
 Monthly 6 (10.0) 3 (8.1) 3 (13.0)  
 Once a week 6 (10.0) 4 (10.8) 2 (8.7)  
 A few times a week 35 (58.3) 22 (59.5) 13 (56.5)  
 Daily 2 (3.3) 1 (2.7) 1 (4.4)  
 Prefer not to answer 1 (1.7) 1 (2.7) 0 (0)  
Condom use during vaginal sex     0.195
 Never 30 (50.0) 15 (40.6) 15 (65.2)  
 Rarely 8 (13.3) 6 (16.2) 2 (8.8)  
 Sometimes 8 (13.3) 5 (13.5) 3 (13.0)  
 Usually 8 (13.3) 5 (13.5) 3 (13.0)  
 Always 6 (10.0) 6 (16.2) 0 (0)  
Anal sex     0.284
 Never 41 (68.3) 25 (67.6) 16 (69.6)  
 One time or a few times a year 17 (28.3) 12 (32.4) 5 (21.7)  
 Monthly 1 (1.7) 0 (0) 1 (4.4)  
 A few times a week 1 (1.7) 0 (0) 1 (4.4)  
Condom anal sex     0.931
 Never 19 (63.3) 12 (57.1) 7 (77.8)  
 Rarely 3 (10.0) 2 (9.5) 1 (1.1)  
 Sometimes 2 (6.7) 2 (9.5) 0 (0)  
 Usually 1 (3.3) 1 (4.8) 0 (0)  
 Always 3 (10.0) 2 (9.5) 1 (1.1)  
 Prefer not to answer 2 (6.7) 2 (9.5) 0 (0)  
Contraception use     0.571
 No 18 (30.0) 10 (27.0) 8 (34.8)  
 Yes 42 (70.0) 27 (73.0) 15 (65.2)  
Have main sexual partner     0.730
 No 2 (3.3) 1 (2.7) 1 (4.3)  
 Yes 58 (96.7) 36 (97.3) 22 (95.7)  
Gender of main partner     0.581
 Male 54 (90.0) 33 (89.2) 21 (91.3)  
 Female 4 (6.7) 3 (8.1) 1 (4.3)  
Main partner, active duty military     0.243
 No 16 (26.7) 12 (32.4) 4 (17.4)  
 Yes 42 (70.0) 24 (64.9) 18 (78.3)  
Sexual partners last 6 months     0.471
 None 9 (15.0) 5 (13.5) 4 (17.4)  
 One 12 (20.0) 8 (21.6) 4 (17.4)  
 2–4 27 (45.0) 15 (40.5) 12 (52.2)  
 5–8 3 (5.0) 3 (8.1) 0 (0)  
 Prefer not to answer 1 (1.7) 1 (2.7) 0 (0)  
Casual number of sexual partners     0.791
 None 28 (53.9) 18 (48.7) 10 (43.5)  
 Some 5 (9.6) 3 (8.1) 2 (8.7)  
 Half 5 (9.6) 2 (5.4) 3 (13.0)  
 Most 5 (9.6) 4 (10.8) 1 (4.3)  
 All 8 (15.4) 6 (16.2) 2 (8.7)  
 Prefer not to answer 1 (1.9) 1 (2.7) 0 (0)  
Frequency of condom use with casual male partner     0.699
 Never 16 (32.0) 9 (24.3) 7 (30.4)  
 Rarely 3 (6.0) 2 (5.4) 1 (4.3)  
 Sometimes 5 (10.0) 2 (5.4) 3 (13.0)  
 Usually 5 (10.0) 4 (10.8) 1 (4.3)  
 Always 16 (32.0) 12 (32.4) 4 (17.4)  
 Prefer not to answer 5 (10.0) 3 (8.1) 2 (8.7)  
Frequency of alcohol consumption, last 6 months     0.157
 4 or more times a week 2 (3.4) 0 (0) 2 (8.7)  
 2–3 times a week 18 (30.5) 11 (29.7) 7 (30.4)  
 2–4 times a month 18 (30.5) 12 (32.4) 6 (26.1)  
 Once a month or less 15 (25.4) 9 (24.3) 6 (26.1)  
 I did not drink alcohol in the past year 4 (6.8) 4 (10.8) 0 (0)  
 I have never drunk any alcohol in my life 1 (1.7) 0 (0) 1 (4.4)  
 Prefer not to answer 1 (1.7) 0 (0) 1 (4.4)  
Alcohol drinks typical day, last 6 months     0.929
 10 or more drinks 3 (5.2) 2 (5.7) 1 (4.4)  
 7–9 drinks 1 (1.72) 0 (0) 1 (4.4)  
 5–6 drinks 5 (8.62) 3 (8.6) 2 (8.7)  
 3–4 drinks 16 (27.59) 9 (25.7) 7 (30.4)  
 1–2 drinks 27 (46.55) 17 (48.6) 10 (43.5)  
 Prefer not to answer 6 (10.34) 4 (11.4) 2 (8.7)  
Sex after alcohol     0.602
 Never 13 (21.7) 9 (24.3) 4 (17.4)  
 Rarely 19 (31.7) 11 (29.7) 8 (34.8)  
 Sometimes 18 (30.0) 12 (32.4) 6 (26.1)  
 Often 6 (10.0) 4 (10.8) 2 (8.7)  
 Every time 2 (3.3) 0 (0) 2 (8.7)  
 Prefer not to answer 2 (3.3) 1 (2.7) 1 (4.4)  
Last sexual encounter
 Engaged in vaginal sex    
  No 4 (6.7) 3 (8.1) 0 (0)  
  Yes 56 (93.3) 34 (91.9) 23 (100)  
 Performed oral sex on partner    
  No 1 (1.7) 1 (2.7) 0 (0)  
  Yes 57 (95.0) 34 (91.9) 23 (100)  
 Engaged in anal sex     0.873
  No 45 (75.0) 31 (75.6) 14 (73.7)  
  Yes 15 (25.0) 10 (24.4) 5 (26.3)  
 Used condomsb    
  No 13 (86.7) 7 (77.8) 6 (100)  
  Yes 2 (13.3) 2 (22.2) 0 (0.0)  
  1. Missing values are not included in the table. aP-values derived from Kruskal-Wallis test for continuous variables, and chi-squared or Fisher exact test with Monte Carlo estimation for categorical variables; bn = 15 overall, n = 9 for women with no history of STI, n = 6 for women with current/prior STI
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