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. Author manuscript; available in PMC: 2022 May 1.
Published in final edited form as: Pain. 2020 Nov 30:10.1097/j.pain.0000000000002153. doi: 10.1097/j.pain.0000000000002153

Table 2:

Demographic characteristics and case status by cohort and cluster assignment by ROPA.

OPPERA, n (%) n=4278 A
(n=1426)
PS
(n=2062)
GS
(n=790)
P
Male 1637 839 (0.51) 558 (0.34) 240 (0.15) <0.0001
Female 2641 587 (0.22) 1504 (0.57) 550 (0.21)
Non-Hispanic white 2361 780 (0.33) 1126 (0.48) 455 (0.19) 0.08
African American 1171 381 (0.33) 596 (0.51) 194 (0.17)
Asian 340 111 (0.33) 160 (0.47) 69 (0.2)
Hispanic 273 102 (0.37) 129 (0.47) 42 (0.15)
Other 133 52 (0.39) 51 (0.38) 30 (0.23)
Age <18 0 0 (0) 0 (0) 0 (0) <0.0001
Age 18-24 2067 730 (0.35) 1027 (0.5) 310 (0.15)
Age 25-34 1228 379 (0.31) 593 (0.48) 256 (0.21)
Age 35-44 983 317 (0.32) 442 (0.45) 224 (0.23)
Age >44 0 0 (0) 0 (0) 0 (0)
Cases 1031 88 (0.09) 540 (0.52) 403 (0.39) <0.0001
Controls 3247 1338 (0.41) 1522 (0.47) 387 (0.12)
DIPT, n (%) n=641 A (n=230) PS (n=259) GS
(n=152)
P
Male 190 100 (0.53) 49 (0.26) 41 (0.22) <0.0001
Female 451 130 (0.29) 210 (0.47) 111 (0.25)
White 518 177 (0.34) 215 (0.42) 126 (0.24) 0.06
African American 64 20 (0.31) 29 (0.45) 15 (0.23)
Asian 20 12 (0.6) 5 (0.25) 3 (0.15)
Other 39 21 (0.54) 10 (0.26) 8 (0.21)
Age <18 2 1 (0.5) 0 (0) 1 (0.5) 0.37
Age 18-24 30 6 (0.2) 13 (0.43) 11 (0.37)
Age 25-34 88 36 (0.41) 33 (0.38) 19 (0.22)
Age 35-44 120 49 (0.41) 47 (0.39) 24 (0.2)
Age >44 401 138 (0.34) 166 (0.41) 97 (0.24)
CPPC, n (%) n=666 A (n=388) PS (n=127) GS
(n=151)
P
Male 81 67 (0.83) 6 (0.07) 8 (0.1) <0.0001
Female 585 321 (0.55) 121 (0.21) 143 (0.24)
White 466 274 (0.59) 89 (0.19) 103 (0.22) 0.47
African American 148 82 (0.55) 25 (0.17) 41 (0.28)
Asian 18 12 (0.67) 4 (0.22) 2 (0.11)
Other 34 20 (0.59) 9 (0.26) 5 (0.15)
Age <18 0 0 (0) 0 (0) 0 (0) 0.0002
Age 18-24 113 74 (0.65) 27 (0.24) 12 (0.11)
Age 25-34 231 132 (0.57) 52 (0.23) 47 (0.2)
Age 35-44 168 84 (0.5) 31 (0.18) 53 (0.32)
Age >44 154 98 (0.64) 17 (0.11) 39 (0.25)
Healthy control 240 211 (0.88) 17 (0.07) 12 (0.05)
Fibromyalgia 104 5 (0.05) 32 (0.31) 67 (0.64)
Episodic migraine 273 96 (0.35) 74 (0.27) 103 (0.38)
Irritable bowel syndrome 228 82 (0.36) 56 (0.25) 90 (0.39)
Temporomandibular disorder 176 32 (0.18) 54 (0.31) 90 (0.51)
Vulvar vestibulitis (n=585) 146 53 (0.36) 39 (0.27) 54 (0.37)
*

Indicates that the sample is only among female patients, where n=585.

Indicates that the p-value tests the null hypothesis that the percentage in each cluster does not differ across levels of the demographic feature.