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. 2016 Sep 13;11(9):e0162611. doi: 10.1371/journal.pone.0162611

Table 5. Socio-demographic characteristics of the diabetes population in urban and rural areas, median (IQR) or n (%).

Variables Total (n = 1507) Rural (n = 513) Urban (n = 994) p-value
Age (years)
Median (IQR) 53.7 (46.2–61.4) 54.0 (46.2–62.0) 53.3 (46.2–61.0) 0.906
20–29 yrs n (%) 25 (1.7) 16 (3.1) 9 (0.9)
30–39 yrs n (%) 97 (6.4) 37 (7.2) 60 (6.0)
40–49 yrs n (%) 412 (27.3) 128 (25.0) 284 (28.6)
50–59 yrs n (%) 524 (34.8) 173 (33.7) 351 (35.3)
60+ yrs n (%) 449 (29.8) 159 (31.0) 290 (29.2) 0.011
Gender n (%)
Male 924 (61.3) 304 (59.3) 620 (62.4)
Female 583 (38.7) 209 (40.7) 374 (37.6) 0.239
Familly history of diabetes n (%)
No 1037 (68.6) 392 (76.4) 645 (64.9)
Yes 470 (31.2) 121 (23.6) 349 (35.1) < 0.001
Marital status n (%)
Single 56 (3.7) 17 (3.3) 39 (3.9)
Married 1396 (92.6) 476 (92.8) 920 (92.6)
Divorced 18 (1.2) 7 (1.4) 11 (1.1)
Widowed 37 (2.5) 13 (2.5) 24 (2.4) 0.908
Occupation n (%)
Formal 679 (45.2) 136 (26.7) 543 (54.7)
Informal 281 (18.7) 189 (37.1) 92 (9.3)
Unemployed 541 (36.0) 184 (36.1) 357 (36.0) < 0.001
Level of education n (%)
Illiterate 67 (4.5) 46 (9.0) 21 (2.1)
Basic 246 (16.4) 136 (26.7) 110 (11.1)
Secondary education 641 (42.7) 237 (46.6) 404 (40.7)
Tertiary 548 (36.5) 90 (17.7) 458 (46.1) < 0.001
Average income (RMB) n (%)
<2000 307 (20.4) 172 (33.8) 135 (13.6)
2000~4000 951 (56.7) 290 (57.0) 561 (56.5)
4000~6000 256 (17.0) 33 (6.5) 223 (22.5)
6000~8000 65 (4.3) 11 (2.2) 54 (5.4)
≥8000 23 (1.5) 3 (0.6) 20 (2.0) < 0.001
Smoking n (%)
No 1070 (71.1) 390 (76.0) 680 (68.6)
Yes 434 (28.9) 123 (24.0) 311 (31.4) 0.003
Alcohol intake n (%)
No 1183 (78.6) 437 (85.2) 746 (75.2)
Yes 322 (21.4) 76 (14.8) 246 (24.8) < 0.001
Physical activity on regular basis
No 980 (65.0) 373 (72.7) 607 (61.1)
Yes 527 (35.0) 140 (27.3) 387 (38.9) < 0.001
Intensity of performed physical activity
High 31 (5.9) 12 (8.6) 19 (4.9)
Moderate 42 (8.0) 11 (7.9) 31 (8.0)
Low 454 (86.1) 117 (83.6) 337 (87.1) 0.287
Eating habits
3 main courses/day 1158 (76.8) 410 (79.9) 748 (75.3)
Irregular habits 349 (23.2) 103 (20.1) 246 (24.7) 0.042
Reached recommended amount of fruits and vegetables/day
No 489 (32.5) 155 (30.3) 334 (33.7)
Yes 1014 (67.5) 357 (69.7) 657 (66.3) 0.179

Data is presented as median (IQR) or n (%); Chi-square or Fisher’s test. p < 0.05 was considered significant difference. n: number. Physical activity on regular basis: Only participants reporting regular physical activity included in this analysis, ≥ 5 times/week at moderate or high intensity, Reached recommended amount of fruits and vegetables/day: 500 grams of fruits and vegetables/day.