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Table 1 Demographic and behavioral characteristics

From: Vaginal cytokine profile and microbiota before and after lubricant use compared with condomless vaginal sex: a preliminary observational study

  Overall
N = 44
Controls
n = 22
Lubricant users n = 22
Age, Mean (SD) 29.8 (6.8) 30.5 (7.0) 29.1 (6.8)
Race    
 African American 28 (63.6) 14 (63.6) 14 (63.6)
 White 14 (31.8) 7 (31.8) 7 (31.8)
 Latina 2 (4.6) 1 (4.6) 1 (4.6)
Douching frequency last 60 days    
 None 32 (72.7) 15 (68.2) 17 (77.3)
 Monthly 3 (6.8) 3 (13.6) 0 (0.0)
 Every now and then 3 (6.8) 1 (4.6) 2 (9.1)
 No answer 6 (13.6) 3 (13.6) 3 (13.6)
Vaginal Lubricant use last 60 days (Y)* 11 (25.6) 2 (9.1) 9 (42.9)
Current HC use (Y) 11 (25.0) 5 (22.7) 6 (27.3)
Number sex partners last 60 days    
 0 3 (6.8) 2 (9.1) 1 (4.6)
 1 37 (84.1) 19 (86.4) 18 (81.8)
 2 4 (9.1) 1 (4.6) 3 (13.6)
Pre-exposure sample pH*    
 4.0–4.5 25 (58.1) 12 (54.6) 13 (61.9)
 4.6–5.0 10 (23.3) 6 (27.3) 4 (19.1)
 > 5.0 8 (18.6) 4 (18.2) 4 (19.1)
Pre-exposure sample Nugent category    
 No BV 23 (52.3) 13 (59.1) 10 (45.5)
 Intermediate 8 (18.2) 2 (9.1) 6 (27.7)
 BV 13 (29.6) 7 (31.8) 6 (27.7)
Pre-exposure sample CST**    
 CST-I, L. crispatus-dominated 8 (18.2) 6 (28.6) 2 (9.1)
 CST-II, L. gasseri-dominated 5 (11.4) 2 (9.5) 3 (13.6)
 CST-III, L. iners-dominated 14 (31.8) 5 (23.8) 9 (40.9)
 CST-IVA, Low Lactobacillus 7 (15.9) 3 (14.3) 4 (18.2)
 CST-IVB, Low Lactobacillus 6 (13.6) 3 (14.3) 3 (13.6)
 CST-IVC, Low Lactobacillus 2 (4.5) 1 (4.8) 1 (4.5)
 CST-V, L. jensenii-dominated 1 (2.3) 1 (4.8) 0 (0.0)
Pre-exposure sample CST**    
 CST-I/II/V, L. crispatus/gasseri/jensenii-dominated 14 (32.6) 9 (42.9) 5 (22.7)
 CST-III, L. iners-dominated 14 (32.6) 5 (23.8) 9 (40.9)
 CST-IVA/B/C, Low Lactobacillus 15 (34.9) 7 (33.3) 8 (36.4)
  1. HC: hormonal contraception, CST: community state type. Cases were more likely to report vaginal lubricant use in the last 60 days (p = 0.03). There were no statistically significant differences between cases and controls in terms of age, race, douching, hormonal contraception (HC) use, number of sexual partners or pre-exposure pH, Nugent category, or CST (p > 0.05). *1 case missing data. **1 control missing data