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. 2022 May 10;12(5):e048242. doi: 10.1136/bmjopen-2020-048242

Table 2.

Demographic characteristics of the study participants by site

Urumqi (n=10 017) Hotan (n=12 921) Ili (n=8011)
Men Women Total Men Women Total Men Women Total
Age (years)
 <45 231 (5.87) 330 (5.43) 561 (5.60) 1040 (21.17) 2337 (29.18) 3377 (26.14) 1120 (29.60) 1250 (29.57) 2370 (29.58)
 45–54 570 (14.47) 1021 (16.80) 1591 (15.88) 1408 (28.66) 2871 (35.85) 4279 (33.12) 1248 (32.98) 1537 (36.36) 2785 (34.76)
 55–64 824 (20.92) 1358 (22.34) 2182 (21.78) 1364 (27.76) 1848 (23.08) 3212 (24.86) 870 (22.99) 994 (23.52) 1864 (23.27)
 65 2313 (58.74) 3370 (55.44) 5683 (56.73) 1101 (22.41) 952 (11.89) 2053 (15.89) 546 (14.43) 446 (10.55) 992 (12.38)
Ethnicity
 Han 3457 (87.79) 5432 (89.36) 8889 (88.74) 6 (0.12) 6 (0.07) 12 (0.09) 572 (15.12) 522 (12.35) 1094 (13.66)
 Hui 310 (7.87) 392 (6.45) 702 (7.01) 4 (0.08) 15 (0.19) 19 (0.15) 1336 (35.31) 1333 (31.54) 2669 (33.32)
 Uyghur 105 (2.67) 168 (2.76) 273 (2.73) 4897 (99.67) 7969 (99.51) 12 866 (99.57) 908 (24.00) 1361 (32.20) 2269 (28.32)
 Kazakh 41 (1.04) 53 (0.87) 94 (0.94) 6 (0.12) 13 (0.16) 19 (0.15) 883 (23.34) 951 (22.50) 1834 (22.89)
 Other 25 (0.63) 34 (0.56) 59 (0.59) NA 5 (0.06) 5 (0.04) 85 (2.25) 60 (1.42) 145 (1.81)
Education
 Primary/less 1064 (27.02) 2534 (41.68) 3598 (35.92) 4093 (83.31) 7232 (90.31) 11 325 (87.65) 2582 (68.23) 3117 (73.74) 5699 (71.14)
 Secondary 2320 (58.91) 3020 (49.68) 5340 (53.31) 774 (15.75) 734 (9.17) 1508 (11.67) 1166 (30.81) 1071 (25.34) 2237 (27.92)
 Degree or above 553 (14.04) 517 (8.50) 1070 (10.68) 32 (0.65) 18 (0.22) 50 (0.39) 28 (0.74) 26 (0.62) 54 (0.67)
 Refused/missing 1 (0.03) 8 (0.13) 9 (0.09) 14 (0.28) 24 (0.30) 38 (0.29) 8 (0.21) 13 (0.31) 21 (0.26)
Marriage
 Married 3696 (93.85) 5045 (82.99) 8741 (87.26) 4319 (87.91) 6165 (76.99) 10 484 (81.14) 3500 (92.49) 3586 (84.84) 7086 (88.45)
 Widowed/separated 197 (5.00) 1006 (16.55) 1203 (12.01) 538 (10.95) 1773 (22.14) 2311 (17.89) 227 (6.00) 614 (14.53) 841 (10.50)
 Never married 42 (1.07) 19 (0.31) 61 (0.61) 19 (0.39) 6 (0.07) 25 (0.19) 43 (1.14) 6 (0.14) 49 (0.61)
 Refused/missing 3 (0.08) 9 (0.15) 12 (0.12) 37 (0.75) 64 (0.80) 101 (0.78) 14 (0.37) 21 (0.50) 35 (0.44)
Income (RMB)*
 Under 10 000 632 (16.05) 912 (15.00) 1544 (15.41) 2689 (54.73) 5139 (64.17) 7828 (60.58) 414 (10.94) 616 (14.57) 1030 (12.86)
 10 000–19999 412 (10.46) 585 (9.62) 997 (9.95) 1196 (24.34) 1649 (20.59) 2845 (22.02) 1311 (34.65) 1712 (40.50) 3023 (37.74)
 20 000–34999 411 (10.44) 737 (12.12) 1148 (11.46) 453 (9.22) 501 (6.26) 954 (7.38) 1157 (30.58) 1093 (25.86) 2250 (28.09)
 35 000–49999 504 (12.80) 885 (14.56) 1389 (13.87) 148 (3.01) 198 (2.47) 346 (2.68) 393 (10.39) 339 (8.02) 732 (9.14)
 50000 or above 1978 (50.23) 2952 (48.56) 4930 (49.22) 416 (8.47) 500 (6.24) 916 (7.09) 503 (13.29) 459 (10.86) 962 (12.01)
 Refused/missing 1 (0.03) 8 (0.13) 9 (0.09) 11 (0.22) 21 (0.26) 32 (0.25) 6 (0.16) 8 (0.19) 14 (0.17)
Anthropometric index
 Height 169.03±6.26 157.98±19.33 162.33±16.47 163.32±7.29 153.60±6.81 157.30±8.44 167.13±6.98 155.98±7.05 161.24±8.95
 Weight 73.82±10.69 63.10±11.46 67.31±12.33 66.71±12.38 59.63±12.04 62.32±12.64 72.24±12.06 65.20±12.33 68.52±12.69
 Waist circumference 92.40±17.00 87.09±15.47 89.18±16.30 91.88±11.50 91.44±12.29 91.61±12.00 90.56±11.02 88.49±11.80 89.46±11.48
Body mass index 25.81±3.31 25.35±4.42 25.53±4.02 24.96±4.04 25.24±4.67 25.14±4.44 25.82±3.75 26.76±4.51 26.31±4.20

N (%) for categorical variable; mean±SD for continuous variables.

*RMB1=US$0.14524 and RMB1=€0.1277 in December 2018.

NA, not available.