Table 2.
Clinical and Demographic Characteristics of Schizophrenia Cases Born Before, During, and After the Famine Years
| No Treated |
Age of onset |
Ethnicity (Nationality) |
Area |
Family History |
|||||||||
| Year | No. of cases | Outpatient | Inpatient | No of Early Onset (%) | No of Late Onset (>25) | Average Age of Onset(SD) | Male (%) | Han Chinese | Minority | City | Country-side | With Family History (%) | Without Family History |
| 1956 | 450 | 234 | 216 | 194 (43.11) | 256 | 27.48 (8.02) | 222 (49) | 256 | 194 | 133 | 317 | 62 (14) | 388 |
| 1957 | 457 | 247 | 210 | 221 (48.36) | 236 | 27.26 (7.94) | 243 (53) | 229 | 228 | 141 | 316 | 52 (11) | 405 |
| 1958 | 385 | 188 | 197 | 196 (50.91) | 189 | 25.85 (7.71) | 216 (56) | 227 | 158 | 114 | 271 | 29 (8) | 356 |
| 1959 | 386 | 183 | 203 | 210 (54.40) | 176 | 25.59 (7.44) | 201 (52) | 218 | 168 | 129 | 257 | 52 (13) | 334 |
| 1960 | 355 | 157 | 198 | 181 (50.99) | 174 | 26.10 (7.04) | 189 (53) | 198 | 157 | 102 | 253 | 35 (10) | 320 |
| 1961 | 451 | 182 | 269 | 243 (53.88) | 208 | 26.09 (7.18) | 238 (53) | 232 | 219 | 120 | 331 | 53 (12) | 398 |
| 1962 | 559 | 225 | 334 | 298 (53.31) | 261 | 25.91 (6.72) | 299 (53) | 271 | 288 | 156 | 403 | 76 (14) | 483 |
| 1963 | 654 | 270 | 384 | 388 (59.33) | 266 | 24.76 (6.58) | 350 (54) | 342 | 312 | 197 | 457 | 100 (15) | 554 |
| 1964 | 634 | 261 | 373 | 396 (62.46) | 238 | 24.24 (6.19) | 347 (55) | 288 | 346 | 160 | 474 | 78 (12) | 556 |
| 1965 | 643 | 260 | 383 | 421 (65.47) | 222 | 23.51 (5.89) | 341 (53) | 307 | 336 | 152 | 491 | 100 (16) | 543 |
| Total | 4974 | 2207 | 2767 | 2748 (55.25) | 2226 | 25.50 (7.09) | 2646 (53) | 2568 | 2406 | 1404 | 3570 | 637 (13) | 4337 |
| 1956–1958 and 1963–1965 | 3223 | 1460 | 1763 | 1816 (56.35) | 1407 | 25.27 | 1719 (53) | 1649 | 1574 | 897 | 2326 | 421 (13) | 2802 |