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Table 1 Demographics comparison between participants with usable responses to the open-ended question and participants without usable responses

From: What women say about their dysmenorrhea: a qualitative thematic analysis

  Participants with usable responses (N = 225) Participants without usable responses (N = 537)   United States Census Data (%) [36]
  Mean (SD) Mean (SD) p *  
Age, years 34.8 (6.7) 33.8 (6.4) 0.09  
Dysmenorrhea symptom severity
(0 “not severe at all” -10 “extremely severe”)
6.7 (2.2) 6.0 (2.1) < 0.01  
  n (%) n (%) p **  
Hispanic Ethnicity 26 (11.6) 52 (9.7) 0.44 17.6
Race
 Asian/Pacific Islander 12 (5.3) 33 (6.2) 0.66 5.6
 Black/African American 29 (12.9) 79 (14.7) 0.51 13.3
 White/Caucasian 166 (73.8) 410 (76.4) 0.45 77.1
 Native American 7 (3.1) 8 (1.5) 0.16 1.2
Bachelor’s degree or above 82 (36.4) 215 (40.0) 0.35 29.3
Had diagnosed with conditions related to secondary dysmenorrhea 49 (27.8) 88 (16.4) 0.08  
 Uterine Fibroids 22 (9.8) 37 (6.9) 0.17  
 Endometriosis 12 (5.3) 31 (5.8) 0.81  
 Pelvic Inflammatory Disease 11 (4.9) 15 (2.5) 0.14  
 Others 8 (3.6) 19 (3.6) 0.99  
Insured 195 (86.7) 457 (85.1) 0.65  
Grew up in the United States 210 (93.3) 522 (97.2) 0.01  
Diagnosed with a condition related to secondary dysmenorrhea 50 (22.2) 87 (16.2) .05  
Used Medications for Dysmenorrhea in the Last 6 Months 172 (76.4) 385 (71.7) 0.18  
  1. *Based on independent samples t-test comparison between participants with and without usable responses
  2. ** Based on χ 2 tests between participants with and without usable responses