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Table 3 Incidence rate of high risk behavior by region of rural Sichuan province from 2011 to 2013a

From: Risk behavior in patients with severe mental disorders: a prospective study of 121,830 patients managed in rural households of western China

Region 2011 2012 2013  
No. of high risk behaviors Follow-up person years Incidence rate (%) No. of high risk behaviors Follow-up person years Incidence rate (%) No. of high risk behaviors Follow-up person years Incidence rate (%) Annual rate of changea
1 CD 1109 4031.33 27.51 1418 12,234.69 11.59 1061 13,743.52 7.72 −0.47
2 ZG 254 1691.39 15.02 160 5333.33 3.00 78 5492.96 1.42 −0.69
3 PZ 4 41.07 9.74 11 168.20 6.54 123 409.32 30.05 0.77
4 LZ 337 1280.08 26.33 235 4234.23 5.55 88 4378.11 2.01 −0.72
5 DY 751 2722.03 27.59 115 5066.08 2.27 272 4857.14 5.60 −0.55
6 MY 448 2370.25 18.90 334 6972.86 4.79 81 5625.00 1.44 −0.72
7 GY 468 807.15 57.98 590 2327.42 25.35 244 1788.86 13.64 −0.51
8 SN 123 1470.52 8.36 77 2851.85 2.70 27 1985.29 1.36 −0.60
9 NJ 337 2523.60 13.35 260 5816.55 4.47 44 4313.73 1.02 −0.72
10 LS 244 422.82 57.71 423 1696.07 24.94 327 2070.93 15.79 −0.48
11 NC 572 1460.63 39.16 505 3454.17 14.62 259 2273.92 11.39 −0.46
12 MS 88 1145.18 7.68 92 3076.92 2.99 57 3097.83 1.84 −0.51
13 YB 309 950.19 32.52 655 4428.67 14.79 269 4151.23 6.48 −0.55
14 GA 247 784.79 31.47 85 2537.31 3.35 71 1977.72 3.59 −0.66
15 DZ 172 710.48 24.21 287 3235.63 8.87 205 3005.87 6.82 −0.47
16 YA 52 137.49 37.82 18 640.57 2.81 15 595.24 2.52 −0.74
17 BZ 297 526.01 56.46 496 3167.31 15.66 1369 2669.14 51.29 −0.05
18 ZY 222 1977.65 11.23 183 7093.02 2.58 38 6440.68 0.59 −0.77
19 LY 11 218.03 5.04 197 693.91 28.39 16 465.12 3.44 −0.17
Total 6045 25,270.70 23.92 6141 74,981.68 8.19 4644 69,313.43 6.70 −0.47
  1. aAnnual rate of change==\( \sqrt[n]{a_n/{a}_0} \)-1