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. 2022 Dec 28;17(1):e13088. doi: 10.1111/irv.13088

TABLE 2.

Comparing vaccinated (either fully or partially%) and not vaccinated using chi‐square

Symptoms in the last 3 months Vaccinated N (%) a Not vaccinated at all N (%) a p value
How heavy is your menstrual flow

  • Mild

 245 (8.4%) 163 (8.1%) 0.09

  • Moderate

 1951 (66.8%) 1326 (65.5%)

  • Heavy

 635 (21.8%) 446 (22%)

  • Cannot remember

 88 (3%) 88 (4.3%)
How many days are there between the start of one period and the start of the next on average?

  • Less than 21 days

 151 (5.2%) 99 (4.9%) 0.461

  • 22–24 days

 573 (19.6%) 407 (20.1%)

  • 25–28 days

 1171 (40.1%) 834 (41.2%)

  • 29–32 days

 617 (21.1%) 384 (19%)

  • 33–35 days

 146 (5%) 118 (5.8%)

  • More than 36 days

 56 (1.9%) 33 (1.6%)

  • Cannot determine due to irregularity

 205 (7%) 148 (7.3%)
Do you have Pelvic pain

  • Yes

 2467 (84.5%) 1650 (81.6%) 0.006

  • No

 452 (15.5%) 373 (18.4%)
Do you have anal pain

  • Yes

 611 (20.9%) 382 (81.1%) 0.077

  • No

 2308 (79.1%) 1641 (18.9%)
Do you have anal bleeding

  • Yes

 252 (8.6%) 161 (8%) 0.399

  • No

 2667 (91.4%) 1862 (92%)
Do you have pain at urination

  • Yes

 426 (14.6%) 273 (13.5%) 0.276

  • No

 2493 (85.4%) 1750 (86.5%)
Do you have bleeding at urination

  • Yes

 822 (28.2%) 533 (26.3%) 0.16

  • No

 2097 (71.8%) 1490 (73.7%)
Do you have back pain

  • Yes

 2421 (82.9%) 1576 (77.9%) >0.001

  • No

 498 (17.1%) 447 (22.1%)
Do you have thigh pain

  • Yes

 1864 (63.9%) 1235 (61%) 0.045

  • No

 1055 (36.1%) 788 (39%)
Do you have nausea

  • Yes

 1256 (43%) 810 (40%) 0.036

  • No

 1663 (57%) 1213 (60%)
Do you have tiredness

  • Yes

 2617 (89.7%) 1762 (87.1%) 0.005

  • No

 302 (10.3%) 261 (12.9%)
Period related pelvic pain in past 3 months

  • Yes

 2499 (85.6%) 1657 (81.9%) >0.001

  • No

 420 (14.4%) 366 (18.1%)
Frequency of period related pelvic pain in past 3 months

  • Sometimes

 583 (22.6%) 477 (2704%) >0.001

  • Usually

 562 (21.8%) 430 (2407%)

  • Always

 1437 (55.7%) 831 (47.8%)
Administration of unprescribed pain killers

  • Yes

 1677 (62.7%) 1036 (57.2%) >0.001

  • No

 997 (37.3%) 774 (42.8%)
Administration of prescribed pain killers

  • Yes

 307 (11.6%) 207 (11.4%) 0.912

  • No

 2351 (88.4%) 1602 (88.6%)
In the last 3 months, has your period pain prevented you from going to work or carrying out your daily activities (even if taking pain‐killers%)?

  • Occasionally (with 1 in 3 of my periods%)

 896 (33.5%) 576 (31.8%) 0.42

  • Often (with 2 in 3 of my periods%)

 343 (12.8%) 221 (12.2%)

  • Always (with every period)

 288 (10.8%) 192 (10.6%)

  • Never

 1149 (42.9%) 823 (45.4%)
In the last 3 months, have you had to lie down for any part of the day or longer because of your period pain?

  • Occasionally (with 1 in 3 of my periods%)

 813 (30.3%) 588 (32.4%) 0.353

  • Often (with 2 in 3 of my periods%)

 594 (22.1%) 381 (21%)

  • Always (with every period)

 956 (35.6%) 619 (34.1%)

  • Never

 320 (11.9%) 228 (12.6%)
When you had period pain in the last 3 months how often did this pain get better or stop after you had a bowel movement?

  • Always

 49 (1.7%) 30 (1.5%) 0.423

  • Most of the times

 203 (7%) 161 (8%)

  • Often

 418 (14.3%) 272 (13.4%)

  • Sometimes

 1109 (38%) 740 (36.6%)

  • Rarely or never

 1140 (39.1%) 820 (40.5%)
When you had period pain in the last 3 months how often did you have more frequent bowel movements?

  • Always

 32 (1.1%) 18 (0.9%) 0.812

  • Most of the times

 153 (5.2%) 95 (4.7%)

  • Often

 333 (11.4%) 241 (11.9%)

  • Sometimes

 1008 (34.5%) 709 (35%)

  • Rarely or never

 1393 (47.7%) 960 (47.5%)
When you had period pain in the last 3 months how often did you have less frequent bowel movements?

  • Always

 101 (3.5%) 41 (2%) 0.002

  • Most of the times

 305 (10.4%) 174 (8.6%)

  • Often

 489 (16.8%) 359 (17.7%)

  • Sometimes

 955 (32.7%) 645 (31.9%)

  • Rarely or never

 1069 (36.6%) 804 (39.7%)
When you had period pain in the last 3 months were your stools (bowel movements%) looser?

  • Always

 134 (4.6%) 67 (3.3%) 0.012

  • Most of the times

 389 (13.3%) 237 (11.7%)

  • Often

 541 (18.5%) 341 (16.9%)

  • Sometimes

 772 (26.4%) 573 (28.3%)

  • Rarely or never

 1083 (37.1%) 805 (39.8%)
When you had period pain in the last 3 months were your stools (bowel movements%) harder?

  • Always

 33 (1.1%) 31 (1.5%) 0.798

  • Most of the times

 159 (5.4%) 107 (5.3%)

  • Often

 307 (10.5%) 211 (10.4%)

  • Sometimes

 785 (26.9%) 551 (27.2%)

  • Rarely or never

 1635 (56%) 1123 (55.5%)
Pain score as average (mean, SD) 5.8 (2.33) 5.53 (2.41) >0.001
Pain score at worst cases (mean, SD) 6.97 (2.33) 6.68 (2.38) >0.001
Days of bleeding (mean, SD) 5.7 (2.06) 5.66 (1.84) 0.76

Note: Statistically significant values are presented in bold.

a

Valid percent.